Crait Lite vs TrainTT
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
Read full descriptionHide full description
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.
TrainTT
Read full descriptionHide full description
1.安全加密： 使用端到端全方位算法保障于安全防范。 2.简介体验：专注即时通讯，提供稳定的核心基础功能。 3.保护隐私:云端不保存聊天记录，可关闭已读回执，同时提供阅后即焚和销毁账号等保护用户隐私。 4.聊天: 提供文本，语音，图片，视频，文件，表情等聊天方式。
Screenshots
Verdict
The clearest difference is update cadence: TrainTT at every 3 days against Crait Lite's every 3 months. 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, TrainTT every 3 days. The most recent releases landed on October 1, 2026 and September 14, 2026 respectively.
| Parameter | Crait Lite | TrainTT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12 | 12.0 |
| Further details — not scored | ||
| Size | 58 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Crait Technology Inc. | Qian Yun Network Service Co., Ltd. |
In-app purchases
Crait Lite
No in-app purchases
TrainTT
No in-app purchases
