# TrainTT vs XXAI

The clearest difference is update cadence: TrainTT at every 3 days against XXAI's fortnightly. TrainTT also leads on iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TrainTT ships an update every 3 days, XXAI fortnightly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TrainTT | XXAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xxai/id6752918032/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Free |
| Size | 49 MB | 93 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Qian Yun Network Service Co., Ltd.](https://appshunter.io/developer/1567568557) | [XXAI Inc.](https://appshunter.io/developer/1835876501) |

## What reviewers say

### TrainTT

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

**Features:** macOS Compatibility

**In-app purchases:** none


### XXAI

[App page](https://appshunter.io/ios/app/xxai/id6752918032)

An AI-powered social feed for sharing thoughts, discovering topics, and joining conversations. It assists in drafting and polishing posts, summarizing content, and moderating the feed for a safer experience.

**Highlights:** AI-assisted post drafting and polishing, Personalized content feed based on interests, Content summarization for quick catch-ups, Interactive features: like, comment, share, follow, AI-assisted moderation for a safe feed

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

**In-app purchases:** none


## Frequently asked questions

### Is TrainTT free?

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

### Is XXAI free?

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

### Do TrainTT or XXAI have ads?

Neither TrainTT nor XXAI shows ads.

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

TrainTT ships an update every 3 days, and XXAI fortnightly. Most recently, TrainTT was updated on October 27, 2026 and XXAI on October 30, 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.*