Karta.io Card vs Solid Card
Solid Card scores higher on the G2M score: 82/100 against 40/100 (#3 and #30 of 31 cards). Pick Karta.io Card for a lower FX fee; pick Solid Card for cashback and more countries.
The short answer
- Solid Card scores higher on the G2M score: 82/100 against 40/100 (#3 and #30 of 31 cards).
- Solid Card pays 3% cashback on its entry tier; Karta.io Card does not publish a rate. Higher tiers go up to 5% on Solid Card.
- Neither card has an annual fee.
- Karta.io Card charges less on foreign currency: a 1% FX fee against 1.5%.
- Solid Card lists 104 countries where it works; Karta.io Card does not publish a full country list. Of the markets we check for every card, only Solid Card is confirmed in United States, United Kingdom, EU / EEA and UAE.
- Both are self-custodial.
Want the answer for your own spending, or the next tier up of each? See what each keeps you a year or pick tiers and add a third card.
Side by side
Highlighted values are the better of the two. “Not published” means the issuer does not state it. Card data last checked 25 Oct 2026; see each card's review for its sources.
Questions
Which is better, Karta.io Card or Solid Card?
Solid Card scores higher on the G2M score: 82/100 against 40/100 (#3 and #30 of 31 cards). Pick Karta.io Card for a lower FX fee; pick Solid Card for cashback and more countries. The better card for you depends on where you live and how you spend; the G2M calculator works it out for your own spending.
Which has lower fees, Karta.io Card or Solid Card?
Neither card has an annual fee. Karta.io Card charges less on foreign currency: a 1% FX fee against 1.5%.
Which pays more cashback, Karta.io Card or Solid Card?
Solid Card pays 3% cashback on its entry tier; Karta.io Card does not publish a rate. Higher tiers go up to 5% on Solid Card.
Which works in more countries, Karta.io Card or Solid Card?
Solid Card lists 104 countries where it works; Karta.io Card does not publish a full country list. Of the markets we check for every card, only Solid Card is confirmed in United States, United Kingdom, EU / EEA and UAE.
Who holds my funds with Karta.io Card and Solid Card?
Both are self-custodial.
More comparisons
Scores use the same rules for every card (how the score works). Referral links never change a score or rank. Not financial advice.

