爱计算 vs TrainTT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
爱计算
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这不仅仅是一款计算器，更是可以保护两人之间聊天隐私的软件。再也不用怕别人拿自己手机了，另一半想看你聊天也看不到，看到这个计算器还以为是个工具呢！
TrainTT
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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 爱计算's every 3 months. 爱计算's advantage is iOS requirement (9.3 vs 12.0). 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.
爱计算 ships an update every 3 months, TrainTT every 3 days. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.
| Parameter | 爱计算 | TrainTT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 33 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Jiangsu Xugong Information Technology Co., Ltd. | Qian Yun Network Service Co., Ltd. |
In-app purchases
爱计算
No in-app purchases
TrainTT
No in-app purchases
