Fizen vs RedotPay vs KAST: The Honest 2026 Comparison
The 2026 stablecoin-card shortlist compared: custody, card limits, chains, and what each app does beyond the card.
Fizen vs RedotPay vs KAST is the 2026 stablecoin-card shortlist for most people: three cards that all skip staking requirements and all spend USDT in the real world. The differences hide in custody, card limits, and what else the app does. Here is the side-by-side, with the trade-offs stated plainly.
July 2026 update: KAST's custody terms are now at the center of a public feud with EtherFi's CEO. See what the fine print says.
The comparison table
| Feature | Fizen | RedotPay | KAST |
|---|---|---|---|
| Custody | Self-custody wallet | Custodial balance | Custodial (deposits treated as sold) |
| Staking required | No | No | No |
| Cards per account | Up to 100 | 1 | Not documented |
| Chain support | USDT-focused | BTC, ETH, USDT (TRC-20/BEP-20/Polygon), USDC | 5 stablecoins incl. USDe, PYUSD |
| Countries | Global Visa; QR in VN + PH | 130+ | 170+ |
| Beyond the card | QR pay, eSIM, P2P, swap, stocks | Mobile top-up, P2P marketplace | Fiat accounts, payouts |
| Backing | Tether strategic investment | VC-backed | VC-backed |
| Rewards | Gift cards, USDT, or $FIZEN token | Tiered programs | USD cashback |
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Claim your card →Where each card honestly wins
- RedotPay wins on chain breadth: if you hold BTC or ETH and want to spend without converting first, it is the widest on-ramp of the three.
- KAST wins on free entry and stablecoin variety, five coins converting 1:1, across the most countries.
- Fizen wins on ownership and scope: the only self-custody balance of the three, up to 100 cards per account for teams and ad buyers, and a Super App that adds QR payments in Vietnam and the Philippines, a travel eSIM, P2P, and tokenized stocks.
Which one for which person
- Multi-chain holder: RedotPay, for the deposit flexibility.
- Free-tier maximalist: KAST, if custody does not bother you.
- Self-custody spender, SEA traveler, or team running many cards: Fizen.
Frequently asked questions
Which is better: Fizen, RedotPay, or KAST?
Depends on priorities: RedotPay for chain breadth, KAST for free entry, Fizen for self-custody, multi-card accounts, and the QR/eSIM/P2P Super App.
Do any of them require staking?
No. All three skip the staking tiers that cards like Crypto.com's use.
Which is safest?
Fizen is the only one of the three where the balance stays in a wallet you control; the other two hold funds custodially. All three are established products.
Can I run multiple cards for a team?
Fizen supports up to 100 cards per account; RedotPay issues one card per account, and KAST does not document multi-card support.
Three good cards, one question: who should hold your money? If the answer is you, the choice narrows itself.
Fizen Virtual Visa Card
The best card for SaaS, ChatGPT, Claude, Netflix, Spotify, Amazon, Google, Meta, Tiktok Ads. Spend USDT like cash globally.
Fizen Card processes as a standard Visa and is accepted wherever Visa is supported. Whether any individual charge is approved still depends on the merchant and their payment processor at the time of payment. Fizen Card is issued under applicable regulations. Users should verify availability in their jurisdiction. This article is for informational purposes only and does not constitute financial advice. More details about Fizen Card, please refer to Fizen Card Docs and Terms of Use.
