# Oust vs janvo

The clearest difference is in-app purchases: janvo at none against Oust's 2. Oust's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.4). 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. janvo asks for nothing beyond the download.

Oust ships an update every 4 days, janvo every 3 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Oust | janvo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 125 MB | 102 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Vapolia](https://appshunter.io/developer/889942216) | [ARC LAB LLC](https://appshunter.io/developer/1858767099) |

## 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 |


### janvo

[App page](https://appshunter.io/ios/app/janvo/id6756155611)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oust free?

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

### Is janvo free?

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

### Do Oust or janvo have ads?

janvo shows ads; Oust does not.

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

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