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

Select cards for this comparison

Add or remove a card and every comparison row updates automatically.

2 of 4 selected

02 · Read the shortlist

Start with the decision essentials

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

ARQ Card

Metal cardNo CEXTiered rewardsFree base plan

Cashback: 0%-2%
Plan cost: $0
Custody: Custodial
Network: Mastercard

View detailsSelected

KAST Card

Metal cardNo CEXClear feesTiered rewards

Cashback: 1.5%-3%
Plan cost: $0
Custody: Custodial
Network: Visa

View detailsSelected

Partner links may earn us a commission. They never affect scores or rankings.

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

Comparing

1ARQ Card2KAST Card

Special offer

ARQ Card

No active offer

KAST Card

20% off20% off your first subscription

Scores

6 fields

Overall Score

ARQ Card

KAST Card

Cashback score

ARQ Card

KAST Card

Travel score

ARQ Card

KAST Card

Funds control score

ARQ Card

KAST Card

Lowest fees score

ARQ Card

KAST Card

Transfers score

ARQ Card

KAST Card

100

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

Costs

7 fields

Plan cost

ARQ Card

KAST Card

FX fee

ARQ Card

Not disclosed

KAST Card

1.8%

Top-up fee

ARQ Card

Not disclosed

KAST Card

Card spending fee

ARQ Card

KAST Card

ATM fee

ARQ Card

KAST Card

Virtual card

ARQ Card

Free

KAST Card

Free first two

Physical card

ARQ Card

$4.99 Standard; $0 Premium

KAST Card

Free; $40 shipping

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%

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

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

Rewards

3 fields

Base cashback

ARQ Card

KAST Card

1.5%

Max cashback

ARQ Card

KAST Card

Reward currency

ARQ Card

USDc cashback

KAST Card

USD cashback

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

KAST Card

Lock-up

ARQ Card

KAST Card

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

Sources

2 fields

Official sources

ARQ Card

KAST Card

Last reviewed

ARQ Card

Jul 26, 2026

KAST Card

Jul 24, 2026

Cards

ARQ CardOverall64

KAST CardOverall84

Special offer: ARQ Card:
No active offer
KAST Card:
20% off20% off your first subscription

Scores

6 fields

Overall Score: ARQ Card:
64
KAST Card:
84

Cashback score: ARQ Card:
41
KAST Card:
75

Travel score: ARQ Card:
62
KAST Card:
92

Funds control score: ARQ Card:
52
KAST Card:
71

Lowest fees score: ARQ Card:
33
KAST Card:
91

Transfers score: ARQ Card:
75
KAST Card:
100

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

Costs

7 fields

Plan cost: ARQ Card:
$0
KAST Card:
$0

FX fee: ARQ Card:
Not disclosed
KAST Card:
1.8%

Top-up fee: ARQ Card:
Not disclosed
KAST Card:
0%

Card spending fee: ARQ Card:
0%
KAST Card:
0%

ATM fee: ARQ Card:
1%
KAST Card:
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

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%

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

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

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

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

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

Sources

2 fields

Official sources: ARQ Card:
36
KAST Card:
20

Last reviewed: ARQ Card:
Jul 26, 2026
KAST Card:
Jul 24, 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.

Explore rankings Read methodology

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

Select cards for this comparison

Add or remove a card and every comparison row updates automatically.

2 of 4 selected

02 · Read the shortlist

Start with the decision essentials

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

ARQ Card

Metal cardNo CEXTiered rewardsFree base plan

Cashback: 0%-2%
Plan cost: $0
Custody: Custodial
Network: Mastercard

View detailsSelected

KAST Card

Metal cardNo CEXClear feesTiered rewards

Cashback: 1.5%-3%
Plan cost: $0
Custody: Custodial
Network: Visa

View detailsSelected

Partner links may earn us a commission. They never affect scores or rankings.

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

Comparing

1ARQ Card2KAST Card

Special offer

ARQ Card

No active offer

KAST Card

20% off20% off your first subscription

Scores

6 fields

Overall Score

ARQ Card

KAST Card

Cashback score

ARQ Card

KAST Card

Travel score

ARQ Card

KAST Card

Funds control score

ARQ Card

KAST Card

Lowest fees score

ARQ Card

KAST Card

Transfers score

ARQ Card

KAST Card

100

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

Costs

7 fields

Plan cost

ARQ Card

KAST Card

FX fee

ARQ Card

Not disclosed

KAST Card

1.8%

Top-up fee

ARQ Card

Not disclosed

KAST Card

Card spending fee

ARQ Card

KAST Card

ATM fee

ARQ Card

KAST Card

Virtual card

ARQ Card

Free

KAST Card

Free first two

Physical card

ARQ Card

$4.99 Standard; $0 Premium

KAST Card

Free; $40 shipping

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%

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

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

Rewards

3 fields

Base cashback

ARQ Card

KAST Card

1.5%

Max cashback

ARQ Card

KAST Card

Reward currency

ARQ Card

USDc cashback

KAST Card

USD cashback

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

KAST Card

Lock-up

ARQ Card

KAST Card

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

Sources

2 fields

Official sources

ARQ Card

KAST Card

Last reviewed

ARQ Card

Jul 26, 2026

KAST Card

Jul 24, 2026

Cards

ARQ CardOverall64

KAST CardOverall84

Special offer: ARQ Card:
No active offer
KAST Card:
20% off20% off your first subscription

Scores

6 fields

Overall Score: ARQ Card:
64
KAST Card:
84

Cashback score: ARQ Card:
41
KAST Card:
75

Travel score: ARQ Card:
62
KAST Card:
92

Funds control score: ARQ Card:
52
KAST Card:
71

Lowest fees score: ARQ Card:
33
KAST Card:
91

Transfers score: ARQ Card:
75
KAST Card:
100

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

Costs

7 fields

Plan cost: ARQ Card:
$0
KAST Card:
$0

FX fee: ARQ Card:
Not disclosed
KAST Card:
1.8%

Top-up fee: ARQ Card:
Not disclosed
KAST Card:
0%

Card spending fee: ARQ Card:
0%
KAST Card:
0%

ATM fee: ARQ Card:
1%
KAST Card:
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

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%

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

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

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

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

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

Sources

2 fields

Official sources: ARQ Card:
36
KAST Card:
20

Last reviewed: ARQ Card:
Jul 26, 2026
KAST Card:
Jul 24, 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.

Explore rankings Read methodology