Sudo Encrypt vs Super offline encryptor
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.
Super offline encryptor
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This app meets your need for sharing private messages with friends. It is easy to use, allowing you to customize encryption passwords and share encrypted messages through other apps or email. The app also has a high level of security, using AES and RSA encryption for end-to-end encryption. Download and start using it now!
Screenshots
Verdict
The clearest difference is price: Sudo Encrypt at Free against Super offline encryptor's $0.29. Sudo Encrypt also leads on update cadence (every 9 days vs every 12 months). Super offline encryptor's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases 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
Sudo Encrypt is free to download; Super offline encryptor costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.
Sudo Encrypt ships an update every 9 days, Super offline encryptor every 12 months. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.
| Parameter | Sudo Encrypt | Super offline encryptor |
|---|---|---|
| Price | Free — better | $0.29 |
| Rating | 4.7 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 9 days — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Shunzhe Ma | 博 彭 |
In-app purchases
Sudo Encrypt
No in-app purchases
Super offline encryptor
No in-app purchases
Questions
Is Sudo Encrypt free?
Is Super offline encryptor free?
Do Sudo Encrypt or Super offline encryptor have ads?
Which is updated more often, Sudo Encrypt or Super offline encryptor?
Other comparisons
