savebackcards.com

Gemini Credit Card vs KAST

Gemini Credit Card

Crypto native

6.0
KAST

Crypto native

6.0

Verdict

  • Gemini Credit Card and KAST have the same overall score (6.0/10).
  • Gemini Credit Card is clearly stronger on: FX & international, Custody & security, Transparency.
  • KAST is clearly stronger on: Limits & ATM.
  • For 1,500 EUR/month of spend, KAST comes out about 226 EUR a year ahead on base-tier terms.

Gemini Credit Card is a good fit for

  • Users who need credit rather than a debit/prepaid card
  • Frequent travellers

Stronger on: FX & international, Custody & security, Transparency

KAST is a good fit for

  • Stablecoin holders
  • Users who need credit rather than a debit/prepaid card

Stronger on: Limits & ATM

★ Our pickEditorial choice · score unchanged · Affiliate link

Neither card is our pick. The card we recommend instead:

ether.fi Cash

Crypto native · ether.fi

8.1

Why we recommend it

  • 3% cashback in ETHFI on up to $2,000 of spend a monthConditions apply
  • 5.35% variable interest on your balanceConditions apply
  • No annual or monthly fee on the base tierConditions apply
  • Extras on the base tier: airport lounge access, travel / rental car insurance, purchase protectionConditions apply
  • Self-custody: funds stay in your own walletConditions apply

Conditions apply; the review lists them with sources.

Score by criterion

CriterionGemini Credit CardKAST
Fees10099
Cashback & rewards3035
Availability3–
FX & international10030
Product features7070
Custody & security7560
Credit & financing7070
Limits & ATM1133
Transparency10086
Best for Cashback4.85.2
Best for Travel6.75.0
Best for DeFi Users7.16.3
Best for Stablecoinsn/a6.3
Best for High Spenders5.95.2
Best for Low Fees8.77.0
Best for Beginners6.87.2
Best Crypto Credit Card7.27.0

Conditions apply, e.g. only for the base tier, up to a monthly cap or in some countries. Tap a value with * (or hover over it) to see them.

Product

Product status

ActiveShow source
ActiveShow source

Card type

Credit cardShow source
Stablecoin cardShow source

Network

MastercardConditions apply: tap or hover for detailsShow source

Mastercard World Elite

VisaShow source

Custody model

CustodialConditions apply: tap or hover for detailsShow source

Crypto rewards are deposited into the Gemini account

CustodialConditions apply: tap or hover for detailsShow source

Deposited assets are sold to KAST and held by a custodian on behalf of KAST, not the user

Card issuer / program manager

WebBankShow source
No data yet

Tiers / plans

No data yet
Standard · Premium · PrivateConditions apply: tap or hover for detailsShow source

Account-level memberships replacing card tiers (announced May 5, 2026)

Fees

Annual fee

FreeShow source
FreeConditions apply: tap or hover for detailsShow source

Standard membership; Premium $1,000/yr, Private $10,000/yr

Physical card fee

No data yet
$40Conditions apply: tap or hover for detailsShow source

Delivery fee; the Standard physical card itself is free

Virtual card fee

No data yet
$2Conditions apply: tap or hover for detailsShow source

Certain markets only, Standard tier

FX fee

0%Show source
1.75%Conditions apply: tap or hover for detailsShow source

Up to; 0.5%–1.75% on non-USD card spend depending on membership

ATM fee

3% (min. $10)Conditions apply: tap or hover for detailsShow source

Cash advance: $10 or 3%, whichever is greater; cash advance APR 29.74% from the transaction date

$3 + 2%Conditions apply: tap or hover for detailsShow source

Plus FX fee on non-USD ATMs; operators may add charges

Small transaction fee

No data yet
$0.10Conditions apply: tap or hover for detailsShow source

Non-USD transactions under $25

Other fees & markups

Late payment up to $35 · Returned payment up to $35 · Penalty APR 33.74% variableShow source
Monthly inactivity fee of $1 on dormant accounts (12 months without transaction activity) · Possible reactivation fee after 6 months of inactivity · Possible card renewal fee (specified in app) · Non-refundable chargeback/dispute processing feesShow source

Cashback & rewards

Base cashback

1%Conditions apply: tap or hover for detailsShow source

Everything else; 2% groceries, 3% dining

1.5%Conditions apply: tap or hover for detailsShow source

Standard membership, first $2,000 of spend per month

Max cashback

4%Conditions apply: tap or hover for detailsShow source

Gas, EV charging and transit, on up to $300 spend a month (then 1%)

3%Conditions apply: tap or hover for detailsShow source

Private membership ($10,000/yr), first $40,000 per month; plus 2% in KAST Points

Cashback paid in

Eligible digital asset selected by the cardholder; bitcoin by defaultConditions apply: tap or hover for detailsShow source

Cardholder picks from Gemini's list of eligible digital assets and can change the election at any time

USDShow source

Cashback type

CryptoShow source
No data yet

Cashback-eligible spend cap

$300/monthConditions apply: tap or hover for detailsShow source

Per month, applies to the 4% gas/EV/transit category only (then 1%); spend cycle refreshes on the 1st of each calendar month

$2,000/monthConditions apply: tap or hover for detailsShow source

Standard; Premium $10,000, Private $40,000 per month

Cashback conditions

4% only on the first $300 of gas/EV/transit spend each month, then 1% · 3% dining, 2% groceries, 1% everything else · Spend cycle refreshes on the 1st of each calendar month · Rewards are deposited when the transaction posts; some exclusions apply to instant rewards · 10% Vault Rewards at selected merchants on a limited monthly spend that varies by merchant offerShow source
Premium adds 1% and Private 2% in KAST Points on all spend · Subject to eligibility, caps and regional availabilityShow source

Reward expiry / vesting

No data yet
Accrued unused benefits/rewards are forfeited when the membership expires or is terminatedShow source

Reward exclusions

ATM transactions · Card account fees · Interest charges · Cash advances · Gift cards, prepaid debit cards, traveler's checks, precious metals, casino chips, cryptocurrency, lottery tickets and other cash equivalents · Balance transfers · Credit card convenience checks · Reloading prepaid cards · Gaming-related transactionsConditions apply: tap or hover for detailsShow source

Full list in the Qualifying Purchase Transaction definition; Gemini Constellation may add exclusions at any time

Some merchant categories excludedShow source

Credit & financing

Credit line

YesConditions apply: tap or hover for detailsShow source

Subject to credit approval

YesConditions apply: tap or hover for detailsShow source

Card described as a credit card secured by deposited virtual assets

Credit type

Revolving creditShow source
No data yet

Interest (APR)

16.74%Conditions apply: tap or hover for detailsShow source

16.74% to 34.74% variable purchase APR based on creditworthiness (Prime Rate 7.00% on 25 Sep 2026)

No data yet

Grace period

Payment due at least 25 days after each billing cycle closes; no interest on purchases when the full balance is paid by the due dateShow source
No data yet

Availability

Available in

United StatesConditions apply: tap or hover for detailsShow source

US residents only, at application and while the account is open

No data yet

Features

Apple Pay

No data yet
YesConditions apply: tap or hover for detailsShow source

Region-dependent

Google Pay

No data yet
YesConditions apply: tap or hover for detailsShow source

Region-dependent

Physical card

YesShow source
YesShow source

Virtual card

YesShow source
YesShow source

ATM withdrawals

No data yet
YesShow source

Spend stablecoins

No data yet
YesShow source

Spendable assets

No data yet
USDT · USDCConditions apply: tap or hover for detailsShow source

Acceptable Tokens for deposit

Blockchains

No data yet
Ethereum · Solana · Polygon · Arbitrum · TRONConditions apply: tap or hover for detailsShow source

Deposit networks for USDT/USDC; list not exhaustive, varies by coin

Limits

ATM limit

No data yet
$750Conditions apply: tap or hover for detailsShow source

$250 per withdrawal incl. fees, max 3 withdrawals per rolling 24h

Security & custody

Regulation / licences

Gemini Trust Company, LLC NMLS #1518126 · Gemini Moonbase, LLC NMLS #2403509Conditions apply: tap or hover for detailsShow source

Entities offering the rewards program; card issued by WebBank

No data yet

Deposit protection

No data yet
NoShow source

Annual cost at 1,500 EUR/month

Gemini Credit Card

  • Annual & monthly fees+0 EUR
  • FX costs+0 EUR
  • Crypto conversion–
  • ATM costs−107 EUR
  • Cashback+32 EUR
  • Net annual value-75 EUR

KAST

  • Annual & monthly fees+0 EUR
  • FX costs−63 EUR
  • Crypto conversion–
  • ATM costs−56 EUR
  • Cashback+270 EUR
  • Net annual value151 EUR

Assumes 300 EUR foreign spend and 100 EUR ATM per month, base tier only. Use your own numbers