# Oust vs TriangleGo

The clearest difference is in-app purchases: TriangleGo at none against Oust's 2. Oust's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Oust sells 2 in-app purchases, starting at $3.99 per month. TriangleGo asks for nothing beyond the download.

Oust ships an update every 4 days, TriangleGo every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Oust | TriangleGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 125 MB | 135 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 12+ |
| Developer | [Vapolia](https://appshunter.io/developer/889942216) | [Jinshik Oh](https://appshunter.io/developer/6772719086) |

## What reviewers say

### Oust

[App page](https://appshunter.io/ios/app/oust-a-very-challenging-game/id6749748375)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $22.99 | per year |


### TriangleGo

[App page](https://appshunter.io/ios/app/trianglego/id6772719084)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oust free?

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

### Is TriangleGo free?

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

### Do Oust or TriangleGo have ads?

TriangleGo shows ads; Oust does not.

### Which is updated more often, Oust or TriangleGo?

Oust ships an update every 4 days, and TriangleGo every 3 days. Most recently, Oust was updated on November 5, 2026 and TriangleGo on November 5, 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.*