# Trainable AI vs UArena

The clearest difference is update cadence: UArena at every 2 days against Trainable AI's every 2 weeks. Trainable AI's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trainable AI sells 2 one-off in-app purchases and UArena sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Trainable AI ships an update every 2 weeks, UArena every 2 days. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Trainable AI | UArena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 69 MB | 13 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TRAINABLE AI TECHNOLOGIES - FZCO](https://appshunter.io/developer/6798617559) | [German Enrique Kamegawa](https://appshunter.io/developer/6797006416) |

## What reviewers say

### Trainable AI

[App page](https://appshunter.io/ios/app/trainable-ai/id6764137906)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trainable AI | $4.99 | one-time |
| Trainable Premium AI | $5.99 | one-time |


### UArena

[App page](https://appshunter.io/ios/app/uarena/id6807496920)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UArena Trainer | $9.99 | per month |


## Frequently asked questions

### Is Trainable AI free?

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

### Is UArena free?

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

### Do Trainable AI or UArena have ads?

Neither Trainable AI nor UArena shows ads.

### Which is updated more often, Trainable AI or UArena?

Trainable AI ships an update every 2 weeks, and UArena every 2 days. Most recently, Trainable AI was updated on September 26, 2026 and UArena on September 17, 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.*