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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.

Karta.io Card40

#30 of 31 · Not published back · annual fee none

Get Karta.ioRead the review
Solid Card82

#3 of 31 · 3% to 5% back · annual fee none

Get SolidRead the review

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

Detail
Karta.io Card
Solid Card
G2M score
40
82 (better)
Base cashback
Not published
3%
Max cashback
Not published
5%
Paid in
Not published
USDC
Annual fee
Free
Free
FX fee
1% (better)
1.5%
Top-up fee
0%
0%
Per-purchase fee
1.5%
None listed
ATM
1 USDT + 2.5% per withdrawal
Not published
Network
Visa
Visa
Card type
Prepaid
Debit
Custody
Self-custodial
Self-custodial
Formats
virtual, physical
virtual
Apple / Google Pay
Yes / Yes
Yes / Yes
India
Unclear
No
UAE
Unclear
Yes
United States
No
Yes
United Kingdom
Unclear
Yes
EU / EEA
Unclear
Yes
Countries
Not published; depends on local rules and card partners
104
Bank account (IBAN or account number)
In your name
In your name
Send money to a bank account
No
Not confirmed
Buy and sell crypto with fiat
Buy only
Buy and sell
Spend against crypto without selling
No
Yes
Yield on your balance
No
Yes
Tiers
Karta Personal
Core · Prime · Ultra
Perks
Visa Signature · Fiat top-ups by ACH, SEPA, SWIFT, PIX and SPEI
Visa Platinum benefits: purchase and price protection, extended warranty · Yield on savings, and borrowing against them · Bank deposits and swaps at 0.25% · No Solid fees on bank deposits and swaps

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.