18+ Affiliate disclosure: We may earn a commission when you sign up via links on this site. This never affects our ratings — our review methodology is published and independent.
BeGambleAware.orgPay by Mobile lets UK players add a casino deposit to their monthly phone bill (or deduct it from pay-as-you-go credit) using Boku — the regulated open-banking-style rail behind every UKGC operator that supports it. It's the fastest way to deposit if your card is locked away, and the £30 daily cap baked into UK rules acts as a built-in spending control. Every casino in this list supports Boku deposits on EE, O2, Vodafone and Three, and routes withdrawals back to a debit card or bank account (you can't cash out to your phone bill). We re-check Boku support and published banking terms each quarter and flag any operator that restricts deposits on a specific network.
Offer: 100 free spins on your first £10 deposit (Big Bass Splash), no wagering, uncapped winnings
Offer: Up to £250 + up to 100 free spins (1 spin per £1, min £20)
Offer: 50 free spins on your first deposit with no wagering, plus OJOplus cashback on every bet
Offer: Reported 50% up to £100 — confirm current offer on site
Offer: Deposit and spend £10 on bingo, get £40 bingo bonus + £20 slots bonus
Offer: Deposit £10, get £50 free bingo or 100 free spins on Make Me a Millionaire
| Casino | Daily cap | Networks | Withdrawal route | Welcome on Pay by Mobile? |
|---|---|---|---|---|
| MrQ | £30 | EE, O2, Vodafone, Three | Debit card / Faster Payments | Yes |
| SpinYoo | £30 | EE, O2, Vodafone, Three | Debit card | Yes |
| PlayOJO | £30 | EE, O2, Vodafone, Three | Debit card / PayPal | Yes |
| Casumo | £30 | EE, O2, Vodafone, Three | Debit card / PayPal | Yes |
| Sky Bingo | £30 | EE, O2, Vodafone, Three | Debit card | Yes |
| Heart Bingo | £30 | EE, O2, Vodafone, Three | Debit card | Yes |
A Pay by Mobile casino accepts deposits routed through Boku, which charges the amount to your mobile network bill or credit balance. There's no card detail entry, no 3-D Secure step, and no e-wallet — just your mobile number and an SMS confirmation. UKGC rules cap deposits at £30 per day across all operators combined, so it's better suited to small, controlled top-ups than big single deposits.
Pay by Mobile only works for deposits — every withdrawal needs an alternative route (usually the debit card you'll add at first cashout). So the brands worth opening accounts with are the ones that also pay out fast on debit card or PayPal, hold a current UKGC licence, and don't gate the welcome bonus behind a £10+ minimum.
The UK Gambling Commission caps Pay by Mobile gambling deposits at £30 per day across all operators combined — not per casino. Hit the cap at one brand and you can't deposit elsewhere on Boku until the next day. If you regularly deposit more, switch to debit card or open-banking; if you don't, the cap is a useful guardrail.
We re-check every casino on this list every 90 days against its published banking terms and the UKGC public register. For this list we also run a live Boku deposit on each UK network every quarter and time the confirmation SMS. Every brand here holds an active UK Gambling Commission operating licence, verified against the public register within the last 30 days.
Gambling should stay fun. If it stops being fun, use deposit limits, time-outs and self-exclusion tools — every UKGC casino must offer them. For confidential, free support: BeGambleAware · GamCare · GAMSTOP. 18+ only.
Please gamble responsibly. When the fun stops, stop. Free, confidential help is available 24/7. BeGambleAware.org