# OMU+ vs Ruby Association Silver v3

The clearest difference is in-app purchases: OMU+ at none against Ruby Association Silver v3's 1. Ruby Association Silver v3's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ruby Association Silver v3 sells 1 one-off in-app purchase. OMU+ asks for nothing beyond the download.

OMU+ ships an update every 2 weeks, Ruby Association Silver v3 every 6 days. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | OMU+ | Ruby Association Silver v3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 98 MB | 148 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNIVERSITY PUBLIC CORPORATION OSAKA](https://appshunter.io/developer/1658230942) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### OMU+

[App page](https://appshunter.io/ios/app/omu-plus/id6751411978)

**In-app purchases:** none


### Ruby Association Silver v3

[App page](https://appshunter.io/ios/app/ruby-association-silver-v3/id6794914205)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $3.49 | one-time |


## Frequently asked questions

### Is OMU+ free?

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

### Is Ruby Association Silver v3 free?

Ruby Association Silver v3 is free to download, with in-app purchases available.

### Do OMU+ or Ruby Association Silver v3 have ads?

Neither OMU+ nor Ruby Association Silver v3 shows ads.

### Which is updated more often, OMU+ or Ruby Association Silver v3?

OMU+ ships an update every 2 weeks, and Ruby Association Silver v3 every 6 days. Most recently, OMU+ was updated on November 8, 2026 and Ruby Association Silver v3 on November 13, 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.*