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Screenshots

  • SKI+ v2 Prem screenshot 1
  • SKI+ v2 Prem screenshot 2
  • SKI+ v2 Prem screenshot 3
  • SKI+ v2 Prem screenshot 4

About SKI+ v2 Prem

SKI+ v2 is an end-to-end instant messaging app that utilizes post-quantum encryption algorithms. The encryption and decryption of messages are performed on the mobile device, and the server side cannot access the encryption/decryption details. The enterprise version supports messaging services and data localization, and provides autonomous account and permission management functions. For more details, please refer to https://www.e2eelab.org If you have any usage questions or suggestions, feel free to send related descriptions or screenshots to: [email protected] We will address your inquiries as soon as possible.

What’s new

Version 4.1.21 · Updated June 4, 2026

crash issue hotfix

App privacy

The developer, Academia Sinica Research Center for Information Technology Innovation, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name

Used for: App Functionality

Alternatives to SKI+ v2 Prem

Looking for apps like SKI+ v2 Prem? Here are 6 similar apps on the App Store. The highest rated is Evercrypted (5.0/5), and all 6 are free to download.

SKI+ v2 Prem vs. alternatives
App Rating Price Last updated
SKI+ v2 Prem – Free June 4, 2026
Evercrypted 5.0 / 5 (1) Free Feb 23, 2026
Post Quantum Secure Chat – Free Aug 30, 2026
LPS Talk – Free Aug 31, 2026
SecurePlay - Encrypted IM – Free Aug 27, 2026
Weave (for Typefully) 5.0 / 5 (2) Free Sep 14, 2026
Crait Lite - Secure Chat 4.7 / 5 (10) Free Jul 7, 2026