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KAST Card vs Solid Card

Solid Card scores higher on the G2M score: 82/100 against 66/100 (#3 and #11 of 31 cards). Solid Card also comes out ahead on cashback, a lower FX fee and more countries.

KAST Card66

#11 of 31 · 1.5% to 3% back · annual fee none

Get KASTRead 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 66/100 (#3 and #11 of 31 cards).
  • Solid Card pays more cashback on its entry tier: 3% against 1.5%. Higher tiers go up to 3% on KAST Card and 5% on Solid Card.
  • Neither card has an annual fee.
  • Solid Card charges less on foreign currency: a 1.5% FX fee against 2%.
  • Solid Card lists 104 countries where it works; KAST Card does not publish a full country list (2 confirmed so far). Of the markets we check for every card, only Solid Card is confirmed in United Kingdom, EU / EEA and UAE.
  • KAST Card is custodial or self-custodial; Solid Card is 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
KAST Card
Solid Card
G2M score
66
82 (better)
Base cashback
1.5%
3% (better)
Max cashback
3%
5% (better)
Paid in
USD plus KAST Points
USDC
Annual fee
Free
Free
FX fee
2%
1.5% (better)
Top-up fee
0%
0%
Per-purchase fee
$0.10 under $25 (non-USD)
None listed
ATM
$3 + 2%; up to $250 per withdrawal
Not published
Network
Visa
Visa
Card type
Credit
Debit
Custody
Custodial or self-custodial
Self-custodial
Formats
virtual, physical
virtual
Apple / Google Pay
Yes / Yes
Yes / Yes
India
Unclear
No
UAE
Unclear
Yes
United States
Yes
Yes
United Kingdom
Unclear
Yes
EU / EEA
Unclear
Yes
Countries
Global (full country list not published)
104
Bank account (IBAN or account number)
In your name
In your name
Send money to a bank account
38 currencies
Not confirmed
Buy and sell crypto with fiat
Buy and sell
Buy and sell
Spend against crypto without selling
No
Yes
Yield on your balance
Yes
Yes
Tiers
Standard · Premium · Private
Core · Prime · Ultra
Perks
Concierge on every tier · Concierge · +1% back in KAST Points · +2% back in KAST Points
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, KAST Card or Solid Card?

Solid Card scores higher on the G2M score: 82/100 against 66/100 (#3 and #11 of 31 cards). Solid Card also comes out ahead on cashback, a lower FX fee 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, KAST Card or Solid Card?

Neither card has an annual fee. Solid Card charges less on foreign currency: a 1.5% FX fee against 2%.

Which pays more cashback, KAST Card or Solid Card?

Solid Card pays more cashback on its entry tier: 3% against 1.5%. Higher tiers go up to 3% on KAST Card and 5% on Solid Card.

Which works in more countries, KAST Card or Solid Card?

Solid Card lists 104 countries where it works; KAST Card does not publish a full country list (2 confirmed so far). Of the markets we check for every card, only Solid Card is confirmed in United Kingdom, EU / EEA and UAE.

Who holds my funds with KAST Card and Solid Card?

KAST Card is custodial or self-custodial; Solid Card is 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.