# COJ App vs Oomsub

The clearest difference is iOS requirement: COJ App at 9.0 against Oomsub's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COJ App ships an update every 6 weeks, Oomsub every 2 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | COJ App | Oomsub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 60 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Office of the Judiciary](https://appshunter.io/developer/1502946549) | [Royal Thai Army](https://appshunter.io/developer/1566106556) |

## What reviewers say

### COJ App

[App page](https://appshunter.io/ios/app/coj-app/id1502946550)

**Features:** macOS Compatibility

**In-app purchases:** none


### Oomsub

[App page](https://appshunter.io/ios/app/oomsub/id1628961341)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COJ App free?

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

### Is Oomsub free?

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

### Do COJ App or Oomsub have ads?

Neither COJ App nor Oomsub shows ads.

### Which is updated more often, COJ App or Oomsub?

COJ App ships an update every 6 weeks, and Oomsub every 2 months. Most recently, COJ App was updated on October 25, 2026 and Oomsub on October 9, 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.*