# Tzp vs TrainTT

The clearest difference is in-app purchases: TrainTT at none against Tzp's 3. TrainTT also leads on update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tzp sells 3 one-off in-app purchases. TrainTT asks for nothing beyond the download.

Tzp ships an update monthly, TrainTT every 3 days. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Tzp | TrainTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tzp/id1491282427/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 49 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [YingShun International Network Co., Limited](https://appshunter.io/developer/1491142407) | [Qian Yun Network Service Co., Ltd.](https://appshunter.io/developer/1567568557) |

## What reviewers say

### Tzp

[App page](https://appshunter.io/ios/app/tzp/id1491282427)

This communication app facilitates global connections with features like group chats, voice calls, and multimedia messaging. It prioritizes user privacy through real-time message encryption and offers cross-platform synchronization.

**Highlights:** Cross-platform message sync, Multimedia messaging, Group chats up to 200 people, High-quality voice calls, Real-time message encryption, Virtual number for global calls

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Azp迅聊，话费充值 | $2.99 | one-time |
| Azp迅聊，话费充值 | $10.99 | one-time |
| Azp迅聊，话费充值 | $21.99 | one-time |


### TrainTT

[App page](https://appshunter.io/ios/app/traintt/id1597479690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tzp free?

Tzp is free to download, with in-app purchases available.

### Is TrainTT free?

TrainTT is free to download, with no in-app purchases.

### Do Tzp or TrainTT have ads?

Neither Tzp nor TrainTT shows ads.

### Which is updated more often, Tzp or TrainTT?

Tzp ships an update monthly, and TrainTT every 3 days. Most recently, Tzp was updated on September 17, 2026 and TrainTT on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*