# Azelva vs Ttorang

The clearest difference is in-app purchases: Ttorang at none against Azelva's 2. Ttorang also leads on update cadence (weekly vs every 2 months). Azelva's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Azelva sells 2 in-app purchases, starting at $9.99 per month. Ttorang asks for nothing beyond the download.

Azelva ships an update every 2 months, Ttorang weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Azelva | Ttorang |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 88 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Azelva LLC](https://appshunter.io/developer/1877466860) | [INPHIL CHOI](https://appshunter.io/developer/6785766361) |

## What reviewers say

### Azelva

[App page](https://appshunter.io/ios/app/azelva/id6759214338)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| Yearly subscription | $99.99 | per year |


### Ttorang

[App page](https://appshunter.io/ios/app/ttorang-brain-training/id6802948321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Azelva free?

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

### Is Ttorang free?

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

### Do Azelva or Ttorang have ads?

Neither Azelva nor Ttorang shows ads.

### Which is updated more often, Azelva or Ttorang?

Azelva ships an update every 2 months, and Ttorang weekly. Most recently, Azelva was updated on October 25, 2026 and Ttorang on October 25, 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.*