Mountain Wolf vs Solid Card
Torn between Mountain Wolf and Solid Card? The comparison below is built from the same test data we use across the rest of the site.
Mountain Wolf issues on Visa + Mastercard and Solid Card on Visa; both ask for ID + proof.
Mountain Wolf is the more cost-effective option for everyday spending and travel thanks to its free virtual cards, no monthly fee. Solid Card is the better fit for power users who need ad spend.
Side by side
| Field | Mountain Wolf | Solid Card |
|---|---|---|
| Card network | Visa + Mastercard | Visa |
| Card type | Crypto Card | Crypto Card |
| KYC | ID + proof | ID + proof |
| Card issuance fee | Virtual card free | Free |
| Monthly fee | Free | Free |
| Top-up fee | 0% | — |
| FX fee | 0% | — |
| Crypto funding | Yes (ETH/BTC/USDT/USDC) | Yes (USDC) |
| AI tool support | ChatGPT / Claude / Midjourney | ChatGPT / Claude / Midjourney |
| Risk level | Medium | Low |
| Our rating | 9.4 | 8.5 |
| User reviews | 473 | 847 |
| Best for | All-rounder · AI subscriptions | All-rounder · Ad spend |
A green left edge marks the side that holds the advantage on that row, where the data gives one.
Two cards, one decision
- Multi-task users get more from Solid Card — it clears more of the checkouts we run through our test suite.
- In our scoring, Mountain Wolf finished ahead of Solid Card — not by a mile, but enough to tilt a tiebreak.
- Solid Card carries the lower risk flag in our file, which some users prefer for a primary card.
The two, compared
Both cards clear the same checkouts in our tests, so the call comes down to cost. Mountain Wolf is cheaper on issuance (free) and top-ups (no top-up fee), while Solid Card is worth the premium only for ad-platform billing.
Questions people ask
That depends on what you spend on. Mountain Wolf scores 9.4/10 against Solid Card's 8.5/10 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.
Mountain Wolf is the cheaper card to run. Both Mountain Wolf and Solid Card issue virtual cards for free; Mountain Wolf reloads at 0%, while Solid Card publishes no top-up percentage.
Mountain Wolf asks for ID + proof at signup; Solid Card 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 15 of the same test scenarios, including Claude.ai, Anthropic API, ElevenLabs. 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
Mountain Wolf and Solid Card both landed in our top picks for 15 checkouts. Grouped by category so you can jump straight to the one you actually pay for:
🤖 AI Tools & Developer Tools 8
🎮 Gaming 2
🛍️ Cross-border Shopping 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: