ether.fi vs Foundation Security
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.
Foundation Security
Securely store your crypto seed phrases and private keys in a single, encrypted vault. Offers institutional-grade protection with biometric authentication and on-device encryption for personal control. Includes features for recovery and legacy planning for your digital assets.
- Encrypted vault for seed phrases and private keys
- Biometric authentication
- On-device encryption
- Recovery device support (YubiKey, mobile fallbacks)
- Legacy plan for beneficiaries
- Mobile-first access and management
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Foundation is the easiest and most secure way to protect your crypto seed phrases and private keys. Built on the same security trusted by top institutions, Foundation gives everyday users professional-grade protection — without the complexity. Why Foundation? One Vault for Every Wallet Store all your seed phrases and private keys in a single, encrypted mobile vault. Institutional Security, Personal Control Biometric authentication, on-device encryption, and zero-knowledge architecture ensure that only you control your keys. Recovery Without Compromise Add recovery devices like YubiKeys and mobile fallbacks, so you’ll never lose access to your assets. Plan for the Future Set up a Legacy Plan so your chosen beneficiary can inherit your crypto safely if something happens to you. Always With You Mobile-first design means you can access and manage your vault anywhere, anytime. Foundation is not just a backup — it’s a safety net for your digital wealth. Whether you’re a Bitcoin OG, a DeFi power user, or just starting out, Foundation gives you peace of mind that your assets are protected today and secured for tomorrow. Take control. Protect your future. Download Foundation today.
Screenshots
Verdict
The clearest difference is ads: Foundation Security at none against ether.fi's shown. Foundation Security also leads on review sentiment (100% vs 91%). ether.fi's advantage is update cadence (every 3 days vs every 2 months) and ratings volume (410 vs 6). On price, rating, in-app purchases and monetization model 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.
On the App Store both sit at effectively the same score — 4.9 for ether.fi against 5.0 for Foundation Security. That said, the two scores are not equally well evidenced: ether.fi has 410 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 91% of ether.fi's written reviews are positive against 100% of Foundation Security's.
ether.fi ships an update every 3 days, Foundation Security every 2 months. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.
| Parameter | ether.fi | Foundation Security |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (410 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 90.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 410 — better | 6 |
| Update frequency | Every 3 days — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 173 MB | 77 MB |
| Age rating | 17+ | 4+ |
| Developer | Ether.Fi SEZC | Station70 |
Customer experience
ether.fi
Foundation Security
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
Foundation Security
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ether.fi
No in-app purchases
Foundation Security
No in-app purchases
