Comparison

Threema. The Secure Messenger vs Kripti

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Threema. The Secure Messenger

This secure messenger prioritizes privacy with end-to-end encryption for all communications. It uses a unique ID instead of personal information, leaving no data trail and offering anonymous use. Enjoy private chats, calls, and file sharing without ads or trackers.

Highlights
  • End-to-end encrypted chats and calls
  • Anonymous use with Threema ID
  • File sharing in all formats
  • Edit and delete sent messages
  • Desktop app and web client
  • Group creation and polls
Features
Read full description

Threema is the world’s best-selling secure messenger, used by more than 12 million people in over 175 countries, developed in Switzerland, and designed with privacy and data protection in mind. Whether chats, calls, or files, everything is end-to-end encrypted, and no data trail is left behind. Instead of a phone number or email address, a randomly generated Threema ID serves as a unique identifier – anonymous and secure. Threema protects what really matters: your privacy. Advantages of Threema: • Text and voice messages, including emoji reactions • End-to-end encrypted voice, video, and group calls • Location sharing • Sending files in all formats (PDF, GIF, MP3, ZIP, and more) • Ability to edit sent messages and delete them for chat partners • Desktop app and web client for convenient chatting on your PC • Group creation and polls • Light or dark mode • No ads, no trackers, no data collection • Identity verification of contacts by scanning their QR code Reliable security: • Open source and regular audits • Servers in Switzerland • Anonymous use possible: no phone number or email address required • Messages are deleted from the server immediately after delivery Do you have any questions or problems? Our FAQ can help: https://threema.com/support Enjoy using Threema!

About

Kripti

Features
Read full description

Kripti is a simple, convenient and secure system for exchanging text messages, files and media. It also allows you to make audio and video calls between users. Kripti supports group audio and video conferencing. Protection of messages and voice data is provided by modern standards of E2E (end-to-end) encryption Kripti is an independent project. We do not cooperate with the authorities of any countries and never disclose the personal data of our users.

Screenshots

Threema. The Secure Messenger4 screens
Kripti3 screens

Verdict

The call

The clearest difference is price: Kripti at Free against Threema. The Secure Messenger's $6.99. Kripti also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). Threema. The Secure Messenger's advantage is chart position (#1 vs unranked). On update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Kripti is free to download; Threema. The Secure Messenger costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Threema. The Secure Messenger ships an update every 11 days, Kripti every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 7 level
Threema. The Secure Messenger versus Kripti: the parameters behind the verdict, then further details
ParameterThreema. The Secure MessengerKripti
Price$6.99Free — better
Rating4.2 (723 ratings) — better—
Positive reviews62.0% of reviews—
Number of ratings723 — better—
Update frequencyEvery 11 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#1 — better—
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS18.015.0 — better
Further details — not scored
Size119 MB156 MB
Age rating4+4+
DeveloperThreema GmbHDiscovery Telecom

Bugs and requests

Threema. The Secure Messenger

Reported bugs

5 issues
  • Messages not sending or receiving
  • App freezing or crashing
  • Unreliable video/voice call functionality
  • Notification issues after updates
  • Data transfer problems when switching devices

Requested features

6 requests
  • Add auto-delete/expiring message option
  • Improve video/voice call reliability
  • Enhance notification system
  • Expand emoji/reaction options
  • Simplify data transfer to new devices
Show 1 more
  • Add iPad/desktop app support

Kripti

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Threema. The Secure Messenger

No in-app purchases

None

Kripti

No in-app purchases

Questions

Is Threema. The Secure Messenger free?
Threema. The Secure Messenger costs $6.99, with no in-app purchases.
Is Kripti free?
Kripti is free to download, with no in-app purchases.
Do Threema. The Secure Messenger or Kripti have ads?
Neither Threema. The Secure Messenger nor Kripti shows ads.
Which is updated more often, Threema. The Secure Messenger or Kripti?
Threema. The Secure Messenger ships an update every 11 days, and Kripti every 3 weeks. Most recently, Threema. The Secure Messenger was updated on October 26, 2026 and Kripti on October 25, 2026.

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