ether.fi vs Sinnu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ether.fi
A DeFi-native credit card that allows you to earn crypto rewards on everyday spending. Enjoy flexible payment options, exclusive member perks, and robust security features, all while maintaining control of your digital assets.
- Earn up to 4% cashback in crypto
- Spend anywhere cards are accepted
- DeFi-native and non-custodial
- Add to Apple Wallet
- Exclusive member perks
- Top-level security features
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A smarter credit card that puts you in control. Skip the bank fees and spend your money anywhere cards are accepted. DeFi-native and non-custodial - You control your crypto, always Up to 3% cashback on all purchases Add your card to Apple Wallet Flexible spending options that work for you Members get MANY exclusive perks: No transaction fees 24/7 priority support Premium metal card options Luxury hotel and flight discounts Purchase and travel baggage insurance Visa lounge access and concierge Top level security: Easy, secure sign up with passkeys Bank-grade security audits Freeze and unfreeze your card in a tap Advanced wallet protection Come say hello! Twitter: https://x.com/ether_fi Discord: https://discord.gg/ether-fi *Availability of the products and services on the ether.fi Cash app and any given features of such products may be subject to jurisdictional limitations.
Sinnu
This app provides a payment infrastructure for businesses to sell faster, more securely, and with better control. It allows for quick generation of payment links, detailed sales tracking, and robust security features for high-value transactions.
- Generate payment links with Pix and card
- Track link-specific sales metrics
- Protect high-value sales with 3D Secure
- Understand payment refusal reasons
- View consolidated financial dashboard
- Manage team roles (Admin, Finance, Support)
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A Sinnu é a infraestrutura de pagamentos para empresas que precisam vender com mais agilidade, segurança e controle. Com o app Sinnu você pode: - Gerar links de pagamento em segundos, com Pix e cartão em até 12x - Acompanhar métricas isoladas por link: visitas, conversão, ticket médio e faturamento - Proteger vendas de alto valor com autenticação 3-D Secure - Entender o motivo real de cada recusa de pagamento, traduzido do emissor - Visualizar faturamento, taxa de aprovação e mix de métodos em um painel único - Organizar contratos e notas fiscais de cada cliente - Gerenciar sua equipe com papéis de Admin, Financeiro e Suporte Compatível com PCI DSS. Feito para times que vendem todos os dias.
Screenshots
Verdict
The clearest difference is ads: Sinnu at none against ether.fi's shown. Sinnu also leads on review sentiment (100% vs 90%). On price, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ether.fi | Sinnu |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (430 ratings) — better | — |
| Positive reviews | 90.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 430 — better | — |
| Update frequency | Every 3 days | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 41 MB |
| Age rating | 17+ | +4 |
| Developer | Ether.Fi SEZC | B24h |
Customer experience
ether.fi
Sinnu
Bugs and requests
ether.fi
Reported bugs
4 issues- Withdrawal whitelist required
- Issues with adding funds (not receiving money)
- Referral bonus not credited
- Card activation issues
Requested features
5 requests- Add built-in staking option
- Display daily credited interest
- Add Traditional Chinese language support
- Integrate more local payment methods (Pix, BRL)
- Improve tracking of assets and transactions
Sinnu
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ether.fi
No in-app purchases
Sinnu
No in-app purchases
