Crait Lite vs SKI+ v2 Prem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crait Lite
This secure messaging tool enhances workgroup productivity with encrypted calls, self-destructing messages, and file sharing. It protects digital assets by offering end-to-end encryption for sensitive business communications.
- End-to-end encryption
- Self-destructing messages
- Secure voice and group calls
- Large group chat support (up to 1000)
- Secure file sharing
- Secure email for users
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Crait Lite is where secure communication and collaboration happens. It is a secure messaging tool designed to make working life easier and more productive for work-groups. Why Crait? The simple answer is: Businesses need to protect their digital assets. Businesses are targets and will be targets of cyber hacking because they have information valuable to would-be criminals. No sector of corporate America is excluded from the threat of cyber hacking. This is why at Crait, we believe that business communication deserves a security upgrade. What Crait provides - Secure one-on-one or group calls and can support chats with up to 1000 people. - Messages that self-destruct after the messages are read. - End-to-end encryption between the sender’s device and the recipient such that the encryption key never leaves the device; no party in the middle. - Secure chat, voice, as well as file-sharing capabilities to work-groups. - Secure email for Crait-to-Crait users.
SKI+ v2 Prem
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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: ziv@citi.sinica.edu.tw We will address your inquiries as soon as possible.
Screenshots
Verdict
The clearest difference is update cadence: SKI+ v2 Prem at every 2 weeks against Crait Lite's every 3 months. Crait Lite's advantage is iOS requirement (12 vs 17.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crait Lite ships an update every 3 months, SKI+ v2 Prem every 2 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.
| Parameter | Crait Lite | SKI+ v2 Prem |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12 — better | 17.6 |
| Further details — not scored | ||
| Size | 58 MB | 248 MB |
| Age rating | 4+ | 4+ |
| Developer | Crait Technology Inc. | Academia Sinica Research Center for Information Technology Innovation |
In-app purchases
Crait Lite
No in-app purchases
SKI+ v2 Prem
No in-app purchases









