Combo Cards vs PayPal Key
Two virtual cards people weigh up side by side. We put Combo Cards and PayPal Key on the same rows so the difference is easy to see.
Combo Cards issues on Visa + Mastercard and PayPal Key on Visa; both ask for ID + proof.
Combo Cards is the more cost-effective option for everyday spending and travel thanks to its free virtual cards, no monthly fee. PayPal Key is the better fit for power users who need AI subscriptions.
What sets them apart
| Field | Combo Cards | PayPal Key |
|---|---|---|
| Card network | Visa + Mastercard | Visa |
| Card type | Crypto Card | Fintech Wallet |
| KYC | ID + proof | ID + proof |
| Card issuance fee | Free | Free |
| Monthly fee | Free | Free |
| Top-up fee | — | — |
| FX fee | — | — |
| Crypto funding | Yes | Yes (PayPal supports crypto) |
| AI tool support | — | ChatGPT / Claude / Midjourney |
| Risk level | Medium | Low |
| Our rating | 7.5 | 8.8 |
| User reviews | 638 | 322 |
| Best for | Ad spend · App Store / Play | All-rounder · Ad spend |
A green left edge marks the side that holds the advantage on that row, where the data gives one.
The head to head
- Multi-task users get more from PayPal Key — it clears more of the checkouts we run through our test suite.
- PayPal Key edged Combo Cards on our composite rating across fees, risk and merchant tests.
- PayPal Key carries the lower risk flag in our file, which some users prefer for a primary card.
Two cards, one decision
Run the numbers against your own usage. Combo Cards runs free to create plus no top-up fee per top-up; PayPal Key runs free plus no top-up fee. For one or two subscriptions the first column wins; for AI subscriptions, the second does.
Questions people ask
That depends on what you spend on. Combo Cards scores 7.5/10 against PayPal Key's 8.8/10 in our tests, but the two split on fees, KYC and crypto funding. Read the table above, then match it to the checkouts you actually run.
Combo Cards is the cheaper card to run. Both Combo Cards and PayPal Key issue virtual cards for free.
Combo Cards asks for ID + proof at signup; PayPal Key asks for ID + proof. If a light sign-up is the priority, the one with the lower KYC label is the faster route.
Both show up in 1 of the same test scenarios, including Snapchat Ads. They overlap on a good share of checkouts, so the choice between them matters most on those pages. Where one is accepted and the other is not usually comes down to the billing country and 3-D Secure handling.
Where both show up
Combo Cards and PayPal Key both landed in our top picks for 1 checkouts. Grouped by category so you can jump straight to the one you actually pay for:
📈 Ad Platforms 1
Their BIN ranges
Cards issued in 🇨🇦 Canada · 🇺🇸 US — the country guides group every range we track from there.
What our charge log shows
Every count here is a real charge attempt we placed on that range, renewals included, with the gateway response recorded. Weeks tracked is how long the range has been in the programme: