安净 vs TrainTT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
安净
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“安净”对通讯信息进行高度加密，避免第三方截获和解密聊天内容，以保护用户隐私。 “安净”采用“应用程序沙盒”技术，打造独立的安全应用系统，其它应用无法访问“安净”中信息、图片和文件。 “安净”提供多项聊天安全设置，全方位满足用户私密聊天需求。
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
安净 and TrainTT are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
安净 ships an update every 6 days, TrainTT every 3 days. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.
| Parameter | 安净 | TrainTT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 55 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Chengdu Xiaolan Technology Co., Ltd. | Qian Yun Network Service Co., Ltd. |
In-app purchases
安净
No in-app purchases
TrainTT
No in-app purchases
