# Self vs ooin

The clearest difference is in-app purchases: Self at none against ooin's 2. Self also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

Self ships an update every 2 weeks, ooin fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Self | ooin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 84 MB | 32 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Yuki Shimazu](https://appshunter.io/developer/1690104673) | [heyvia](https://appshunter.io/developer/1894993366) |

## What reviewers say

### Self

[App page](https://appshunter.io/ios/app/self-control-mate-tracker/id6759315555)

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

**In-app purchases:** none


### ooin

[App page](https://appshunter.io/ios/app/ooin/id6762748155)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ooin Premium Monthly | $3.99 | per month |
| ooin Premium Yearly | $34.99 | per year |


## Frequently asked questions

### Is Self free?

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

### Is ooin free?

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

### Do Self or ooin have ads?

Neither Self nor ooin shows ads.

### Which is updated more often, Self or ooin?

Self ships an update every 2 weeks, and ooin fortnightly. Most recently, Self was updated on October 24, 2026 and ooin on October 24, 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.*