Card comparison

Compare cards, side by side

Compare fees, rewards, everyday use, money movement and custody from the same reviewed profiles used across the catalog. Missing data stays visible instead of becoming an advantage.

01 · Build the comparison

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2 of 4 selected

02 · Read the shortlist

Start with scores and key trade-offs

Each summary uses the same profile and Overall Score as the catalog. Open a score to see its seven fixed category ratings.

2 cards in view
Metal cardNo CEXTiered rewardsFree base plan
Cashback
0%-2%
Plan cost
$0
Custody
Custodial
Network
Mastercard
View detailsSelected
Metal cardNo CEXClear feesTiered rewards
Cashback
1.5%-3%
Plan cost
$0
Custody
Custodial
Network
Visa
View detailsSelected

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03 · Compare the evidence

Scan every difference, row by row

Best markers compare known numeric values only. A missing or unverified field stays explicit and never wins a row.

Best known Not disclosed
Cards
ARQ CardOverall64
KAST CardOverall84
Special offer
ARQ Card
No active offer
KAST Card
20% off20% off your first subscription
01

Scores

6 fields
Overall Score
ARQ Card
64
KAST Card
84
Cashback score
ARQ Card
40
KAST Card
75
Travel score
ARQ Card
62
KAST Card
93
Funds control score
ARQ Card
52
KAST Card
71
Lowest fees score
ARQ Card
52
KAST Card
82
Transfers score
ARQ Card
75
KAST Card
100
02

Strengths & trade-offs

2 fields
Strengths
ARQ Card
Clear four-country residence coverage, Virtual, physical and phone-wallet access
KAST Card
Transfers span crypto, Tag and bank payouts, Physical, virtual and phone-wallet card access
Trade-offs
ARQ Card
Provider FX spread remains unclear, Headline cashback requires membership
KAST Card
Non-USD FX can exceed entry cashback, ATM use adds two charges
03

Costs

7 fields
Plan cost
ARQ Card
$0
KAST Card
$0
FX fee
ARQ Card
Provider spread unknown; Argentina/Brazil variant charges may apply
KAST Card
0.5–1.75%
Top-up fee
ARQ Card
Standard receive: 3 USDc for USD/crypto and 3 EURc for EUR
KAST Card
0%
Card spending fee
ARQ Card
0%
KAST Card
0%
ATM fee
ARQ Card
1–3%
KAST Card
$3 + 2%
Virtual card
ARQ Card
Free
KAST Card
Free first two
Physical card
ARQ Card
$4.99 Standard; $0 Premium
KAST Card
Free; $40 shipping
04

Plans

2 fields
Available plans
ARQ Card
3 plans: Standard, Premium, Prestige
KAST Card
3 plans: Standard, Premium, Private
Top cashback plan
ARQ Card
Prestige: 2%
KAST Card
Private: 3%
05

Everyday use

8 fields
Network
ARQ Card
Mastercard
KAST Card
Visa
Card formats
ARQ Card
Virtual, Physical
KAST Card
Virtual, Physical
ATM withdrawals
ARQ Card
Available
KAST Card
Available
Mobile wallets
ARQ Card
Apple Pay, Google Pay
KAST Card
Apple Pay, Google Pay
Apps
ARQ Card
iOS, Android
KAST Card
iOS, Android
Daily spending limit
ARQ Card
Not disclosed
KAST Card
No cap
Monthly spending limit
ARQ Card
Not disclosed
KAST Card
No cap
ATM limit
ARQ Card
Not disclosed
KAST Card
Limits shown in app
06

Funding & transfers

5 fields
Networks
ARQ Card
Ethereum, Polygon, Tron
KAST Card
Solana, Ethereum, Tron, Polygon, BNB Chain, Arbitrum +7
Crypto deposits
ARQ Card
Stablecoins: USDC, USDT
KAST Card
Stablecoins: USDT, USDC, USDe, PYUSD, RLUSD; Other crypto: BTC, ETH, SOL, XRP, AAVE +22
Fiat deposits
ARQ Card
USD receive, EUR receive
KAST Card
USD bank transfer, EU bank transfer, BRL PIX deposit, MXN SPEI deposit +2
Transfers
ARQ Card
ARQ P2P; USD ACH payout
KAST Card
Stablecoin transfers; KAST Tag; Global USD SWIFT payout, USD local payout, EUR SEPA payout, Other local currency payouts
Payout currencies
ARQ Card
USD
KAST Card
USD, EUR, AED, SAR, JPY, INR, PHP, THB +4
07

Rewards

3 fields
Base cashback
ARQ Card
0%
KAST Card
1.5%
Max cashback
ARQ Card
2%
KAST Card
3%
Reward currency
ARQ Card
USDc cashback
KAST Card
USD cashback
08

Earn

5 fields
Advertised APY
ARQ Card
Up to 4.5% APY
KAST Card
Up to 7% APY
How it works
ARQ Card
Earn on spending balance, Optional earn vault
KAST Card
Optional earn vault
Separate deposit
ARQ Card
Yes
KAST Card
Yes
Use balance for spending
ARQ Card
No
KAST Card
No
Lock-up
ARQ Card
No
KAST Card
No
09

Trust & availability

6 fields
Custody
ARQ Card
Custodial
KAST Card
Custodial
Control until payment
ARQ Card
Provider controls funds
KAST Card
Provider controls funds
Card issuer
ARQ Card
Not disclosed
KAST Card
Third National
Card processing
ARQ Card
Not disclosed
KAST Card
Tazapay
Custody / key management
ARQ Card
Not disclosed
KAST Card
BitGo
Programme operator
ARQ Card
Not disclosed
KAST Card
Troia Corp
10

Sources

2 fields
Official sources
ARQ Card
36
KAST Card
20
Last reviewed
ARQ Card
Aug 5, 2026
KAST Card
Sep 9, 2026

Use the comparison

Choose the trade-offs you can live with

Scores create a useful starting point. The guides explain the money flow, costs and reward conditions behind the rows.

Compare Crypto Cards: Fees, Rewards, Custody & Availability