Apple Pay Casino UK: Payout Math, RTP Reality and the Best Sites in 2026
Apple Pay deposits at UK casinos settle in seconds, skip the 1-3 day bank transfer queue and keep your card number off the merchant's books. That much is marketing. The interesting part is what happens after the money lands: which licence sits behind the site, what the slot RTP actually is, and whether the withdrawal you request on Friday arrives before Monday. This page deals with the maths and the paperwork, not the buzzwords.
We looked at 100+ licensed operators, filtered the ones that accept Apple Pay for both deposits and withdrawals, and compared them on RTP, wagering contribution, withdrawal caps and licensing. Some names you already know. A few of the offshore ones that dominate search results should be treated the way you'd treat an unregulated investment product: fine until the day you need to cash out.
How Apple Pay Casinos Work in the UK
Apple Pay is a tokenised card wrapper, not a payment processor. When you tap your iPhone at a casino cashier, Apple sends a device-specific number (a DPAN) to the acquirer instead of your real 16-digit card number. The casino never sees your card details, and Apple never sees what you bought. The transaction clears through the underlying Visa or Mastercard rails within seconds.
For UK-licensed operators this matters because the Gambling Commission treats Apple Pay deposits as card transactions. That means the same rules apply: no credit cards (banned since April 2020), debit cards only, and the operator must run affordability and source-of-funds checks once your activity crosses certain thresholds. A £10 deposit at 22:00 on a Saturday will clear before you've finished typing your password. A £5,000 deposit will trigger a review.
Withdrawals are the part most guides gloss over. Apple Pay is a deposit rail first; payouts usually go back to the underlying debit card or via bank transfer. Some operators (Bet365, Betfred, MrQ) process withdrawals back to Apple Pay-adjacent cards within 1-4 hours. Others sit on them for 24-72 hours for "internal review". That gap is where the real money is made.
Is Apple Pay safe for UK casino deposits?
Yes, provided the operator holds a UK Gambling Commission licence. Apple Pay itself uses tokenisation and Face ID or Touch ID, so a stolen phone without your biometrics is useless. The risk isn't the payment method; it's the counterparty. An unlicensed casino accepting Apple Pay gives you the same fraud exposure as an unregulated broker accepting wire transfers.
Which UK casinos accept Apple Pay in 2026?
The list is long and growing. Bet365 casino, William Hill casino, Sky Bet casino, Ladbrokes casino, Paddy Power casino, Coral casino, Betfred casino, Betfair casino, Betway casino, 888 Casino, Grosvenor Casinos, MrQ casino, PlayOJO casino, LeoVegas casino, Casumo casino, Unibet casino, Virgin Games casino, Gala Casino, Genting Casino, NetBet casino, Lottomart casino, Videoslots and All British Casino all take Apple Pay deposits. Withdrawal support varies, so check the cashier before you deposit.
How fast are Apple Pay deposits and withdrawals?
Deposits hit your casino balance in under 10 seconds in almost every case. Withdrawals are slower and site-dependent: MrQ and PlayOJO typically pay within 1-2 hours, Bet365 within 1-4 hours, William Hill and Ladbrokes within 4-24 hours, and a handful of operators still take 48-72 hours despite advertising "instant". The underlying card network adds another 1-3 business days in some cases.
RTP Maths: Why the Licence Matters More Than the Payment Method
Here's the part most Apple Pay casino guides skip. The payment rail has zero effect on your expected value. What moves the needle is the RTP of the games you play and the licence the operator holds. A slot at 96.2% RTP returns £96.20 per £100 staked over an infinite sample. A slot at 94% returns £94. Same game, same graphics, different maths, and the difference is often set by the operator.
Licensed UK operators must publish game rules and cannot alter RTP below the provider's certified figure. Offshore casinos can and do run lower RTP configurations of the same Pragmatic or NetEnt titles. That's not speculation; it's a documented commercial practice. Pragmatic Play, for example, ships slots in multiple RTP variants (94.5%, 95%, 96.5%) and the operator picks the version.
Run the numbers across a year of £1 spins at 500 spins per week. At 96.2% RTP you lose £988 on £26,000 wagered. At 94% you lose £1,560. That's a £572 difference, or roughly the price of a decent weekend away. Multiply across a decade and the licence question stops being abstract.
| Operator | Licence | Apple Pay Deposit | Apple Pay Withdrawal | Typical Slot RTP Range | Min Deposit |
|---|---|---|---|---|---|
| Bet365 casino | UKGC | Yes | 1-4 hrs | 94-96.5% | £5 |
| William Hill casino | UKGC | Yes | 4-24 hrs | 94-96% | £5 |
| Sky Bet casino | UKGC | Yes | 4-24 hrs | 94-96% | £5 |
| Ladbrokes casino | UKGC | Yes | 4-24 hrs | 94-96% | £5 |
| Paddy Power casino | UKGC | Yes | 4-24 hrs | 94-96% | £5 |
| Betfred casino | UKGC | Yes | 2-12 hrs | 94-96% | £5 |
| MrQ casino | UKGC | Yes | 1-2 hrs | 94-96.5% | £10 |
| PlayOJO casino | UKGC | Yes | 1-2 hrs | 94-96.5% | £10 |
| LeoVegas casino | UKGC | Yes | 1-4 hrs | 94-96.5% | £10 |
| Unibet casino | UKGC | Yes | 4-24 hrs | 94-96% | £10 |
| All British Casino | UKGC + MGA | Yes | 1-6 hrs | 94-96.5% | £10 |
| Casumo casino | UKGC + MGA | Yes | 2-12 hrs | 94-96% | £10 |
Notice the pattern. Every name on that table holds a UKGC licence. The withdrawal times cluster around 1-24 hours. The RTP ranges are tight. Now compare that with the offshore brands that blanket search results with "Apple Pay casino" ads: licence from Curaçao or Anjouan, no UKGC oversight, RTP configurable, withdrawal "subject to verification" that can stretch to 7-14 days. Different product entirely.
What is the house edge on Apple Pay casino slots?
House edge is simply 100 minus RTP. A 96.2% slot carries a 3.8% edge; a 94% slot carries 6%. On £100 wagered per session, the first costs you £3.80 in expected value, the second £6. Over 50 sessions a year that's £190 versus £300. Payment method is irrelevant to this calculation.
Do Apple Pay casinos charge deposit fees?
UK-licensed operators cannot charge deposit fees under Gambling Commission rules, and Apple Pay itself is free to use. If a casino advertises a "processing fee" on Apple Pay deposits, that's a red flag for offshore operation. Withdrawal fees are also prohibited at UKGC-licensed sites, though some legacy operators apply a £1-£2 charge on amounts under £20.
How does Apple Pay compare to PayPal at UK casinos?
Both are instant for deposits. PayPal withdrawals at UK casinos typically clear in 2-4 hours; Apple Pay withdrawals route through the underlying card and can take 1-24 hours depending on operator. PayPal has stronger buyer protection and dispute resolution. Apple Pay has stronger device-level security and no account to top up. For pure convenience, Apple Pay wins. For dispute resolution, PayPal.
Top Apple Pay Casinos: Operator-by-Operator Breakdown
The UK market is crowded and the Apple Pay support list runs to 30+ licensed names. Below is a working shortlist based on licence status, withdrawal speed, game library depth and wagering terms. None of these pay us to be here; the ranking is based on the maths and the paperwork.
Bet365 casino
The largest UK-facing operator by revenue and the benchmark for withdrawal speed on Apple Pay. Deposits are instant, withdrawals typically land within 1-4 hours, and the game library runs to 1,000+ slots from Pragmatic, NetEnt, Microgaming, Play'n GO and Big Time Gaming. Minimum deposit £5. Wagering on bonuses is 20x-30x depending on the offer. The trade-off: bonus frequency is lower than at challenger brands and the site feels institutional.
William Hill casino
Founded 1934, listed on the LSE until the 2022 takeover by 888 Holdings. Apple Pay supported for deposits, withdrawals route to the underlying card within 4-24 hours. 500+ slots plus a live dealer suite powered by Evolution. Minimum deposit £5. Welcome package typically 100% up to £300 with 40x wagering, which is on the steep side. Strong on football and racing crossovers if you also bet sports.
Sky Bet casino
Part of Flutter Entertainment, the same group as Paddy Power and Betfair. Apple Pay deposits instant, withdrawals 4-24 hours. The casino floor is smaller than Bet365's but the Sky Vegas casino sister brand carries a wider slot range. Minimum deposit £5. Bonus wagering sits around 35x. Good for punters who want sports and casino under one login.
Ladbrokes casino
Entain-owned, 2,700+ UK betting shops at peak, now primarily digital. Apple Pay supported, withdrawals 4-24 hours. Slot library leans on IGT, Novomatic and NetEnt classics rather than the newest Hacksaw releases. Minimum deposit £5. Wagering on the welcome offer usually 40x. Solid, unspectacular, reliable.
Paddy Power casino
Flutter-owned, Irish heritage, aggressive marketing. Apple Pay deposits instant, withdrawals 4-24 hours. The casino is bundled with the sportsbook and the bingo product. Minimum deposit £5. Bonus terms are transparent by industry standards; wagering sits at 35x with a 7-day window. Live dealer via Evolution is a strong point.
Coral casino
Entain-owned sister to Ladbrokes. Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus a sportsbook integration. Minimum deposit £5. Wagering 40x on the standard welcome package. The slot selection overlaps heavily with Ladbrokes, so there's little reason to hold both.
Betfred casino
Privately owned, founded 1967, one of the last independent UK bookmakers. Apple Pay supported, withdrawals 2-12 hours, which is faster than most legacy brands. 700+ slots including Pragmatic, NetEnt and Red Tiger. Minimum deposit £5. Wagering 40x. Fred's Bonus is a recurring weekly offer rather than a one-off welcome.
MrQ casino
Launched 2018, UKGC-licensed, and the fastest withdrawal operator on this list. Apple Pay deposits instant, withdrawals typically 1-2 hours, often under 60 minutes. 900+ slots from Pragmatic, Hacksaw, Nolimit City and others. Minimum deposit £10. No wagering on free spins, which is unusual. The trade-off: no live casino and no sportsbook.
PlayOJO casino
Owned by SkillOnNet, UKGC-licensed. Apple Pay supported, withdrawals 1-2 hours. The unique selling point is no wagering requirements on any bonus, ever. Kickers (their term for free spins) pay cash on win. Minimum deposit £10. Slot library 2,000+ but the user interface divides opinion. No live dealer.
LeoVegas casino
Swedish-origin, MGM-owned since 2022, UKGC-licensed. Apple Pay deposits instant, withdrawals 1-4 hours. 1,400+ slots plus a full Evolution live suite and a sportsbook. Minimum deposit £10. Wagering on the welcome package 40x. Strong mobile experience, which makes sense given the Apple Pay use case.
All British Casino
Holds both UKGC and MGA licences, which is rare. Apple Pay supported, withdrawals 1-6 hours. 500+ slots, no live dealer, no sportsbook. Minimum deposit £10. The brand identity is deliberately retro. Wagering 35x. Solid mid-tier option if you want dual licensing as a safety net.
Casumo casino
Maltese-origin, dual UKGC and MGA licensed. Apple Pay supported, withdrawals 2-12 hours. 2,000+ slots plus live dealer. Minimum deposit £10. Wagering 30x on the welcome offer, which is competitive. The gamification layer (missions, badges) divides punters but doesn't affect the maths.
888 Casino
Founded 1997, one of the oldest online operators, now 888 Holdings owns William Hill. Apple Pay supported, withdrawals 4-24 hours. 1,000+ slots plus a proprietary live casino. Minimum deposit £10. Wagering 35x. Strong on table games and video poker compared with slot-heavy rivals.
Betway casino
Super Group-owned, UKGC-licensed, heavy sports sponsorship (West Ham, horse racing). Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus Evolution live. Minimum deposit £10. Wagering 35x. The casino is a secondary product to the sportsbook.
Grosvenor Casinos
Rank Group-owned, the online arm of the UK's largest land-based casino chain. Apple Pay supported, withdrawals 4-24 hours. 300+ slots plus a strong live dealer product with real dealers streamed from UK studios. Minimum deposit £10. Wagering 40x. The land-based heritage is a genuine differentiator for live play.
Genting Casino
Malaysian-owned, the second-largest UK land-based casino operator. Apple Pay supported, withdrawals 4-24 hours. 400+ slots plus live dealer. Minimum deposit £10. Wagering 40x. Similar proposition to Grosvenor with slightly weaker online execution.
NetBet casino
UKGC-licensed, part of the NetBet Group. Apple Pay supported, withdrawals 4-24 hours. 1,000+ slots plus live dealer. Minimum deposit £10. Wagering 35x. The brand is less well-known in the UK than its European footprint suggests.
Lottomart casino
UKGC-licensed, part of the Lottomart group. Apple Pay supported, withdrawals 2-12 hours. 1,200+ slots plus a lottery-style instant win range. Minimum deposit £10. Wagering 35x. The instant win vertical is a genuine differentiator.
Videoslots
Maltese-origin, UKGC-licensed. Apple Pay supported, withdrawals 1-6 hours. 5,000+ slots, which is the largest library on this list by a wide margin. Minimum deposit £10. Wagering 30x on the welcome package. The site design is functional rather than polished.
Unibet casino
Kindred Group-owned, UKGC-licensed. Apple Pay supported, withdrawals 4-24 hours. 1,000+ slots plus live dealer and sportsbook. Minimum deposit £10. Wagering 35x. Kindred's responsible gambling tools are among the most granular in the market.
Virgin Games casino
Virgin Group-branded, UKGC-licensed. Apple Pay supported, withdrawals 4-24 hours. 400+ slots plus bingo crossover. Minimum deposit £10. Wagering 40x. The brand association does more work than the product itself.
Gala Casino
Entain-owned, sister to Coral and Ladbrokes. Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus live dealer. Minimum deposit £5. Wagering 40x. The Gala Bingo crossover gives it a distinct customer base.
Betfair casino
Flutter-owned, the exchange heritage is the differentiator. Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus live dealer. Minimum deposit £10. Wagering 35x. The exchange product is where Betfair's real edge sits, not the casino.
BetMGM casino
MGM Resorts and Entain joint venture, UKGC-licensed. Apple Pay supported, withdrawals 4-24 hours. 800+ slots plus live dealer. Minimum deposit £10. Wagering 35x. The MGM brand is more established in the US than the UK.
PartyCasino
Entain-owned, one of the oldest online casino brands (founded 2000). Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus live dealer. Minimum deposit £10. Wagering 35x. The poker heritage (Party Poker) still shapes the customer base.
32Red casino
Kindred-owned, UKGC-licensed. Apple Pay supported, withdrawals 4-24 hours. 600+ slots plus live dealer. Minimum deposit £10. Wagering 35x. The brand is best known for its historic horse racing sponsorship rather than product innovation.
BetVictor casino
Privately owned, founded 1946. Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus live dealer and sportsbook. Minimum deposit £10. Wagering 35x. The independent ownership is a genuine differentiator in a consolidating market.
BoyleSports casino
Irish-origin, UKGC-licensed. Apple Pay supported, withdrawals 4-24 hours. 400+ slots plus sportsbook. Minimum deposit £10. Wagering 35x. Smaller casino floor than the majors but competitive on sports crossovers.
Mr Vegas casino
Maltese-origin, UKGC-licensed, sister brand to Videoslots. Apple Pay supported, withdrawals 1-6 hours. 3,000+ slots. Minimum deposit £10. Wagering 30x. The library depth is second only to Videoslots in this list.
Pub Casino
UKGC-licensed, part of the White Hat Gaming platform. Apple Pay supported, withdrawals 2-12 hours. 1,500+ slots plus live dealer. Minimum deposit £10. Wagering 35x. The pub theme is cosmetic but the platform underneath is solid.
Dream Vegas
White Hat Gaming platform, UKGC-licensed. Apple Pay supported, withdrawals 2-12 hours. 1,200+ slots plus live dealer. Minimum deposit £10. Wagering 35x. Similar product to Pub Casino with a different skin.
Casino Kings
UKGC-licensed, part of the Grace Media group. Apple Pay supported, withdrawals 4-24 hours. 500+ slots plus live dealer. Minimum deposit £10. Wagering 35x. Mid-tier proposition.
MrQ casino (repeat for emphasis)
Worth flagging twice because the no-wagering model combined with 1-2 hour Apple Pay withdrawals is genuinely rare in a market where 35x-40x wagering is the norm. If you're a maths-first player, this is the operator to benchmark others against.
Licensed vs Offshore Apple Pay Casinos: A Financial-Product Analogy
Think of a UKGC-licensed casino the way you'd think of a UK-regulated savings account. The provider is registered, the terms are disclosed, the regulator can intervene, and there's a compensation framework if the operator fails. Returns are modest but predictable. The maths is transparent.
Now think of an offshore casino with a Curaçao licence the way you'd think of an unregulated bond sold through a WhatsApp group. The headline yield looks better, the marketing is louder, and the small print is either missing or written in a jurisdiction you can't easily sue in. Some of these products pay out. Some don't. The point is that you have no enforceable claim when they don't.
Apple Pay doesn't change this. The payment rail is neutral. What changes is the counterparty risk, the RTP configuration, the dispute resolution mechanism and the withdrawal timeline. A £500 withdrawal from a UKGC-licensed site is a routine cashier action. The same request from an offshore operator can trigger a "verification" process that stretches to 14 days and, in a meaningful minority of cases, never resolves.
| Factor | UKGC-Licensed Casino | Offshore Casino (Curaçao/Anjouan) |
|---|---|---|
| Regulator | UK Gambling Commission | Curaçao GCB or Anjouan |
| RTP floor | Provider-certified, non-negotiable | Operator-selectable |
| Deposit protection | Client funds segregated | Often commingled |
| Withdrawal timeline | 1-24 hours typical | 1-14 days typical |
| Dispute resolution | UKGC + UK courts | Licensor jurisdiction only |
| Self-exclusion (GAMSTOP) | Mandatory | Not applicable |
| Credit card deposits | Banned since April 2020 | Often allowed |
| Affordability checks | Required above thresholds | Rare |
| Bonus wagering disclosure | Standardised | Variable, often opaque |
The table isn't a moral argument. It's a risk-pricing exercise. If you're depositing £20 for entertainment, the counterparty risk is small in absolute terms. If you're depositing £2,000 and expecting to withdraw £1,800 after a session, the difference between a UKGC licence and a Curaçao licence is the difference between a bank transfer and a hope.
Are offshore Apple Pay casinos legal to use from the UK?
It's not a criminal offence for a UK player to use an offshore casino, but the operator is acting unlawfully by transacting with UK customers without a Gambling Commission licence. If something goes wrong, you have no recourse through the UKGC, no GAMSTOP protection, and no realistic path to recover funds. The legal grey area is not the same as a safety net.
Why do some offshore casinos offer higher bonuses?
Because they're pricing in the absence of regulatory costs. A UKGC licence requires segregation of client funds, affordability checks, GAMSTOP integration, advertising compliance and UK tax contributions. An offshore operator skips all of that and passes a fraction of the saving to you as a headline bonus. The wagering terms on those bonuses are usually 40x-60x with tight time limits.
What is the actual EV difference between 96% and 94% RTP?
On £10,000 of annual wagering, a 96% RTP slot returns £9,600 in expected value and a 94% slot returns £9,400. The £200 gap is the operator's margin advantage on the lower configuration. Over five years of the same activity that's £1,000, which is roughly the difference between a weekend in Lisbon and a weekend in Skegness.
Responsible Gambling, Verification and the Small Print
Every UKGC-licensed casino must verify your identity before your first withdrawal, and increasingly before your first deposit. Apple Pay deposits are fast, but the verification queue behind them isn't. Have your ID and proof of address ready before you deposit, not after you win.
GAMSTOP is the national self-exclusion scheme. Registering blocks you from every UKGC-licensed operator for a minimum of 6 months, extendable. It applies to Apple Pay deposits the same way it applies to any other payment method. If you're struggling, the National Gambling Helpline is 0808 8020 133, free and 24/7. The legal age for gambling in the UK is 18.
Deposit limits, session limits and reality checks are mandatory features at UKGC-licensed sites. Apple Pay's speed is a feature, not a bug, but it's also why setting a deposit limit before your first tap matters. A £50 daily limit set in advance is more effective than a £50 daily limit set after you've already lost £200.
What is the minimum age for Apple Pay casino deposits in the UK?
18. The Gambling Commission requires all UK-licensed operators to verify age before allowing deposits, and Apple Pay's biometric protection doesn't substitute for age verification. Using a parent's phone or card to deposit is fraud, and operators are required to void any winnings and return deposits to the cardholder.
How do I set a deposit limit at an Apple Pay casino?
Every UKGC-licensed operator offers deposit limits in the account settings, usually under "Responsible Gambling" or "Safer Gambling". Daily, weekly and monthly limits are standard. Reductions take effect immediately; increases typically require a 24-hour cooling-off period. The limit applies to Apple Pay deposits the same as any other method.
Can I use Apple Pay at a casino if I'm self-excluded?
No. GAMSTOP registration blocks deposits at every UKGC-licensed operator regardless of payment method. Attempting to deposit via Apple Pay at a site you're excluded from is a breach of the self-exclusion agreement and operators are required to return the funds and close the account. Offshore casinos don't participate in GAMSTOP.
What happens if my Apple Pay deposit is declined?
Common causes: insufficient funds on the underlying card, expired card, bank fraud block, or the operator's own affordability threshold. The casino usually sees a generic "declined" message. Contact your bank first; if the block is bank-side, the casino can't override it. Repeated declines can trigger a manual review of your account.
Do Apple Pay casino withdrawals go back to Apple Pay?
Usually not directly. Apple Pay is a tokenised card wrapper, so withdrawals route to the underlying debit card or via bank transfer. Some operators advertise "Apple Pay withdrawals" but the money lands in your bank account tied to the card. Timelines vary from 1 hour (MrQ, PlayOJO) to 24 hours (most legacy brands) to 72 hours (a minority).
Which game providers are best for RTP at Apple Pay casinos?
Pragmatic Play, NetEnt, Microgaming, Play'n GO, Hacksaw Gaming and Nolimit City all publish RTP per slot, and the figures vary by title. NetEnt classics like Starburst sit at 96.1%. Pragmatic's Sweet Bonanza runs at 96.5% on the highest configuration. Hacksaw's Wanted Dead or a Wild is 96.4%. Always check the in-game paytable, not the marketing page.
Is Apple Pay better than a bank transfer for casino deposits?
For deposits, yes: instant versus 1-3 business days, and no card number shared with the merchant. For withdrawals, bank transfer can be faster at some operators because it skips the card network. For dispute resolution, neither matches PayPal. Pick based on the operator, not the rail.
What are the wagering requirements on Apple Pay casino bonuses?
Typical range is 30x-40x on the bonus amount, with a 7-30 day window. MrQ and PlayOJO run no-wagering models where free spins pay cash. Read the terms before opting in: a 40x wagering requirement on a £100 bonus means £4,000 of qualifying wagering before any withdrawal, and slots usually contribute 100% while table games contribute 10% or less.
Can I use Apple Pay at UK bingo sites?
Yes. Gala Bingo, Foxy Bingo, JackpotJoy casino, Sun Bingo, Heart Bingo, Double Bubble Bingo, Fabulous Bingo and Slingo casino all accept Apple Pay deposits. Withdrawal timelines at bingo-focused sites tend to be slower than at casino-first operators, typically 4-24 hours. Bingo wagering requirements are usually higher than casino equivalents.
What is the maximum Apple Pay deposit at UK casinos?
There's no universal cap, but most operators set a per-transaction limit of £5,000-£10,000 and a daily limit of £10,000-£20,000. Above those thresholds, deposits trigger manual review and source-of-funds checks. Apple Pay itself has a per-transaction limit set by the card issuer, usually £5,000-£10,000 for online merchants.
Do Apple Pay casino deposits appear on my bank statement?
Yes, but as a payment to the casino's merchant descriptor, not as "Apple Pay". The transaction shows the operator's name and the amount. Apple doesn't itemise what you bought. If you need to track gambling spending for affordability purposes, your bank statement is the record, not your Apple Wallet history.
Which is safer: Apple Pay or a debit card at a casino?
Apple Pay, marginally. The tokenisation means the casino never holds your real card number, so a data breach at the operator exposes a device-specific token rather than your card. The underlying fraud protections are identical because Apple Pay runs on the same Visa and Mastercard rails. The bigger risk is the operator, not the rail.
How do I choose between two Apple Pay casinos?
Rank them on four numbers: licence (UKGC mandatory for UK players), withdrawal time (1-24 hours is acceptable, 48+ is not), RTP range on the slots you actually play (96%+ preferred), and wagering on any bonus you plan to claim (30x-35x is competitive, 40x+ is steep). Everything else is marketing.
Apple Pay is a convenience layer on top of a payment system that has been solving the same problem for decades: move money from your account to someone else's without exposing your card number. The casinos that use it well are the ones that treat it as infrastructure rather than a selling point.
The ones that treat it as a headline offer are usually compensating for something else, whether that's a lower RTP configuration, slower withdrawals or a licence you'd rather not scrutinise.
Run the numbers, check the licence, set a deposit limit before you tap, and treat the whole thing as a cost of entertainment rather than a route to profit. The maths doesn't lie, even when the marketing does.