Dev tools · alternatives · 2026

24 alternatives to TrueLock

I built TrueLock for “secure messaging without a messenger”. Instead of sending plaintext in chat, you wrap a message (and attachments) into a single encrypted capsule file (.cfcaps) and share it via any channel (Telegram/email/drive/USB). The recipient opens the file in the app. What’s different vs “just encrypt a file” is that the unlock policy travels with the ciphertext: time window geo radius password (Argon2id) visual key (optional) AND/OR logic across rules Current clients: Android + Windows. Crypto: AEAD (AES-GCM / ChaCha20-Poly1305). Threat-model boundary:…

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Encryptochat▲68

   True end-to-end encrypted messaging.

   2020 · play.google.com · its alternatives →

2. 2
   Keychat▲108

   Start a free secure chat with anyone without signing up

   2020 · its alternatives →

3. 3
   XChat▲175

   The standalone, encrypted messaging app from X

   Apr 2026 · apps.apple.com · its alternatives →

4. 4
   Keybase Chat▲253

   End-to-end encrypted chat built into Keybase

   2017 · keybase.io · its alternatives →

5. 5
   T-Drive▲128

   Free secure unlimited cloud file storage based on Telegram

   2022 · apps.microsoft.com · its alternatives →

6. 6
   Enigma X▲171

   Your own encryption in any messenger

   2025 · ifonly.tech · its alternatives →

7. 7
   Keybase for Mobile▲159

   End-to-end encryption messaging platform

   2017 · keybase.io · its alternatives →

8. 8
   Gridlock▲79

   Easy, secure crypto storage

   2021 · gridlock.network · its alternatives →

9. 9
   Cipherly▲15

   Encrypt, disguise and hide messages — 100% offline

   Jul 2026 · github.com · its alternatives →

10. 10
    ChatSecure iOS v4.0 – OMEMO and Signal Protocol▲107

    Free and open source encrypted chat for iOS.

    2017 · chatsecure.org · its alternatives →

11. 11
    VeilType▲3

    Encrypt before your message reaches the messenger

    Jul 2026 · veiltype.tech · its alternatives →

12. 12
    Crypton.sh - SMS▲85

    Secure Anonymous SMS in the cloud (and a phone number)

    2018 · crypton.sh · its alternatives →

13. 13
    SendSecure.io▲96

    Send and share files securely, directly and free

    2019 · its alternatives →

14. 14
    Stealthy.IM▲105

    Text friends without Google or Facebook snooping

    2018 · stealthy.im · its alternatives →

15. 15
    DataSafe – Encrypted messages via hotkey▲86

    A tiny app to quickly send encrypted messages with a hotkey

    2025 · its alternatives →

16. 16
    Sealed Messenger▲95

    Send locked messages that eventually... unlock

    2016 · apps.apple.com · its alternatives →

17. 17
    ONNS▲9

    Secure & Smart Message Encryption for Private Chats

    2025 · euphonious-gelato-e33502.netlify.app · its alternatives →

18. 18
    StealthChat - Private Messaging▲66

    Encrypted calls and chats

    2017 · its alternatives →

19. 19
    Nachricht.co▲78

    Send encrypted self-destructing messages wherever you want

    2019 · nachricht.co · its alternatives →

20. 20
    AIRLOCK▲4

    Because privacy shouldn’t depend on the app you use

    2025 · apps.apple.com · its alternatives →

21. 21
    LockShare▲2

    Share end to end encrypted messages

    2022 · its alternatives →

22. 22
    CipherBite▲5

    Offline AES-256 text encryptor for securely sharing text

    Jul 2026 · play.google.com · its alternatives →

23. 23
    Secret Message App▲2

    Secure & Stealthy Messaging

    Mar 2026 · play.google.com · its alternatives →

24. 24
    Serverless, encrypted, opensource, p2p video and text chat▲9

    A secure chatting application.

    2016 · adam-hanna.github.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →