Card comparison

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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.

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02 · Read the shortlist

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

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03 · Compare the evidence

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

Best known Not disclosed
Cards
Fold Debit CardOverall72
KAST CardOverall84
RedotPay CardOverall69
Solayer Pay CardOverall55
Special offer
Fold Debit Card
No active offer
KAST Card
20% off20% off your first subscription
RedotPay Card
No active offer
Solayer Pay Card
No active offer
01

Scores

6 fields
Overall Score
Fold Debit Card
72
KAST Card
84
RedotPay Card
69
Solayer Pay Card
55
Cashback score
Fold Debit Card
40
KAST Card
75
RedotPay Card
41
Solayer Pay Card
20
Travel score
Fold Debit Card
78
KAST Card
92
RedotPay Card
83
Solayer Pay Card
53
Funds control score
Fold Debit Card
59
KAST Card
71
RedotPay Card
55
Solayer Pay Card
47
Lowest fees score
Fold Debit Card
71
KAST Card
81
RedotPay Card
66
Solayer Pay Card
43
Transfers score
Fold Debit Card
77
KAST Card
100
RedotPay Card
85
Solayer Pay Card
29
02

Strengths & trade-offs

2 fields
Strengths
Fold Debit Card
Several USD funding routes, Physical card and phone wallets
KAST Card
Transfers span crypto, Tag and bank payouts, Physical, virtual and phone-wallet card access
RedotPay Card
Virtual and physical cards are both available, Apple Pay and Google Pay support
Solayer Pay Card
Virtual and physical Visa cards, Spend USDC from Solana
Trade-offs
Fold Debit Card
U.S.-only applications, Free-plan ATM and foreign fees
KAST Card
Non-USD FX can exceed entry cashback, ATM use adds two charges
RedotPay Card
Spending uses a RedotPay account balance, ATM withdrawals carry a 3% fee
Solayer Pay Card
Purchases earn Emerald Points, FX costs vary by region
03

Costs

7 fields
Plan cost
Fold Debit Card
$0
KAST Card
$0
RedotPay Card
$0
Solayer Pay Card
$20/year
FX fee
Fold Debit Card
$3 fixed provider fee per foreign transaction for Fold; $0 for Fold+; no percentage FX fee is inferred
KAST Card
0.5–1.75%
RedotPay Card
1.2–2%
Solayer Pay Card
Up to 3% stated + $0.10; components may stack
Top-up fee
Fold Debit Card
Instant debit funding costs 1.5%, capped at $25; ACH and direct-deposit routes are separate
KAST Card
0%
RedotPay Card
Not disclosed
Solayer Pay Card
1%
Card spending fee
Fold Debit Card
0%
KAST Card
0%
RedotPay Card
Not disclosed
Solayer Pay Card
$0.15
ATM fee
Fold Debit Card
$3.50 Fold provider fee for the free plan; $0 for Fold+; operator fees may apply
KAST Card
$3 + 2%
RedotPay Card
2–3%
Solayer Pay Card
Not disclosed
Virtual card
Fold Debit Card
Not disclosed
KAST Card
Free first two
RedotPay Card
10 USD one-time issuance fee; non-refundable after payment
Solayer Pay Card
$0 virtual card; included with the $20/year Solayer Pay base plan
Physical card
Fold Debit Card
$0 card purchase fee
KAST Card
Free; $40 shipping
RedotPay Card
100 USD one-time issuance fee; non-refundable after payment
Solayer Pay Card
Free card; US Express shipping $24.99 or International Express shipping $59.99
04

Plans

2 fields
Available plans
Fold Debit Card
2 plans: Fold, Fold+
KAST Card
3 plans: Standard, Premium, Private
RedotPay Card
2 plans: Regular, Pro
Solayer Pay Card
1 plans: Solayer Pay
Top cashback plan
Fold Debit Card
Fold+: 0.5%
KAST Card
Private: 3%
RedotPay Card
Pro: 3%
Solayer Pay Card
Not disclosed
05

Everyday use

8 fields
Network
Fold Debit Card
Visa
KAST Card
Visa
RedotPay Card
Visa
Solayer Pay Card
Visa
Card formats
Fold Debit Card
Virtual, Physical
KAST Card
Virtual, Physical
RedotPay Card
Virtual, Physical
Solayer Pay Card
Virtual, Physical
ATM withdrawals
Fold Debit Card
Available
KAST Card
Available
RedotPay Card
Available
Solayer Pay Card
Available
Mobile wallets
Fold Debit Card
Apple Pay, Google Pay
KAST Card
Apple Pay, Google Pay
RedotPay Card
Apple Pay, Google Pay
Solayer Pay Card
Apple Pay, Google Pay
Apps
Fold Debit Card
iOS, Android
KAST Card
iOS, Android
RedotPay Card
iOS, Android
Solayer Pay Card
iOS, Android
Daily spending limit
Fold Debit Card
$15,000 per transaction and per day
KAST Card
No cap
RedotPay Card
Not disclosed
Solayer Pay Card
Shown in app
Monthly spending limit
Fold Debit Card
$50,000 per month
KAST Card
No cap
RedotPay Card
Not disclosed
Solayer Pay Card
Shown in app
ATM limit
Fold Debit Card
$250 per withdrawal; $1,000 daily and monthly
KAST Card
Limits shown in app
RedotPay Card
Not disclosed
Solayer Pay Card
Limits shown in app
06

Funding & transfers

5 fields
Networks
Fold Debit Card
Not disclosed
KAST Card
Solana, Ethereum, Tron, Polygon, BNB Chain, Arbitrum +7
RedotPay Card
TRC20, ERC20, BEP20
Solayer Pay Card
Solana
Crypto deposits
Fold Debit Card
Not disclosed
KAST Card
Stablecoins: USDT, USDC, USDe, PYUSD, RLUSD; Other crypto: BTC, ETH, SOL, XRP, AAVE +22
RedotPay Card
Stablecoins: USDT, USDC; Other crypto: BTC, ETH, SOL, XRP, BNB +3
Solayer Pay Card
Stablecoins: USDC
Fiat deposits
Fold Debit Card
Linked-bank ACH, Direct deposit, Instant debit-card funding
KAST Card
USD bank transfer, EU bank transfer, BRL PIX deposit, MXN SPEI deposit +2
RedotPay Card
RedotPay account bank deposit
Solayer Pay Card
Not disclosed
Transfers
Fold Debit Card
ACH withdrawal, Instant debit-card withdrawal, ATM withdrawal, ACH bill pay
KAST Card
Stablecoin transfers; KAST Tag; Global USD SWIFT payout, USD local payout, EUR SEPA payout, Other local currency payouts
RedotPay Card
Stablecoin transfers; RedotPay International Transfer
Solayer Pay Card
Not disclosed
Payout currencies
Fold Debit Card
USD, USD cash equivalent
KAST Card
USD, EUR, AED, SAR, JPY, INR, PHP, THB +4
RedotPay Card
Not disclosed
Solayer Pay Card
Not disclosed
07

Rewards

3 fields
Base cashback
Fold Debit Card
0%
KAST Card
1.5%
RedotPay Card
0%
Solayer Pay Card
0%
Max cashback
Fold Debit Card
15%
KAST Card
3%
RedotPay Card
3%
Solayer Pay Card
Not disclosed
Reward currency
Fold Debit Card
Bitcoin
KAST Card
USD cashback
RedotPay Card
USDs cashback
Solayer Pay Card
Emerald Points
08

Earn

5 fields
Advertised APY
Fold Debit Card
Not offered
KAST Card
Up to 7% APY
RedotPay Card
Up to 1% APY
Solayer Pay Card
Up to 3.5% APY
How it works
Fold Debit Card
Not offered
KAST Card
Optional earn vault
RedotPay Card
Optional earn vault
Solayer Pay Card
Earn on spending balance
Separate deposit
Fold Debit Card
Not offered
KAST Card
Yes
RedotPay Card
Yes
Solayer Pay Card
No
Use balance for spending
Fold Debit Card
Not offered
KAST Card
No
RedotPay Card
Not disclosed
Solayer Pay Card
Yes
Lock-up
Fold Debit Card
Not offered
KAST Card
No
RedotPay Card
Not disclosed
Solayer Pay Card
No
09

Trust & availability

8 fields
Custody
Fold Debit Card
Custodial
KAST Card
Custodial
RedotPay Card
Custodial
Solayer Pay Card
Custodial
Control until payment
Fold Debit Card
Provider controls funds
KAST Card
Provider controls funds
RedotPay Card
Provider controls funds
Solayer Pay Card
Provider controls funds
Card issuer
Fold Debit Card
Sutton Bank
KAST Card
Third National
RedotPay Card
Xfers Pte. Ltd.
Solayer Pay Card
Third National
Card processing
Fold Debit Card
Marqeta, Inc.
KAST Card
Tazapay
RedotPay Card
RedotPay
Solayer Pay Card
Not disclosed
Custody / key management
Fold Debit Card
BitGo Bank and Trust, N.A. / BitGo Prime LLC
KAST Card
BitGo
RedotPay Card
Not disclosed
Solayer Pay Card
Not disclosed
Bank transfers
Fold Debit Card
Plaid Inc., Astra, Inc.
KAST Card
Not disclosed
RedotPay Card
Not disclosed
Solayer Pay Card
Not disclosed
Identity verification
Fold Debit Card
Not disclosed
KAST Card
Not disclosed
RedotPay Card
Not disclosed
Solayer Pay Card
Sumsub
Programme operator
Fold Debit Card
Not disclosed
KAST Card
Troia Corp
RedotPay Card
Red F. Technology Limited
Solayer Pay Card
Solayer Labs, Inc.
10

Sources

2 fields
Official sources
Fold Debit Card
29
KAST Card
20
RedotPay Card
28
Solayer Pay Card
25
Last reviewed
Fold Debit Card
Aug 14, 2026
KAST Card
Aug 28, 2026
RedotPay Card
Aug 25, 2026
Solayer Pay Card
Aug 12, 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