Sudo Encrypt vs encyfr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sudo Encrypt
Securely encrypt and decrypt messages using RSA encryption. Generate your own keypairs, import others' public keys, and sign/verify message signatures. Seamlessly integrate with iMessage for easy sharing of encrypted content.
- Generate RSA keypairs locally
- Encrypt messages with public keys
- Decrypt messages with private keys
- Sign and verify message signatures
- iMessage extension for seamless integration
- Embed encrypted messages as iMessage objects
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- Generate RSA keypairs locally - Import others' public keys and encrypt messages to send to others - Decrypt messages others sent to you with your private key - Sign / Verify message signature Best of all, encryption and decryption of messages can be done directly in the iMessage app. When using the in-app extension, you no longer have to send a long piece of string, the encrypted message is embedded into an iMessage object so the other side can just click and decrypt.
encyfr
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The first cross-platform post-quantum encryption solution • iOS, visionOS, macOS Encrypt any and all sensitive data • Pictures, passwords, notes, plans, texts, and more Intuitive design • Choose your own password • Generate and manage your own on-device keys • Exclusively uses native SwiftUI interfaces for a first-class user experience Complete Security • State-of-the-art AES-256 symmetric key encryption • Cutting edge post-quantum Kyber and Dilithium algorithm support • Exclusively written with the memory-safe Swift language • Data exclusively processed on-device • No data collected, no third-party frameworks implemented Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Sudo Encrypt at none against encyfr's 1. Sudo Encrypt also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (13.0 vs 17.0). On price, ads 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. encyfr sells 1 in-app purchase, starting at $1.99 per month. Sudo Encrypt asks for nothing beyond the download.
Sudo Encrypt ships an update every 9 days, encyfr every 2 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.
| Parameter | Sudo Encrypt | encyfr |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 9 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, Vision Pro |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Shunzhe Ma | zepsec industries LLC |
In-app purchases
Sudo Encrypt
No in-app purchases
encyfr
- encyfr Pro - Monthly$1.991 Month
