# must be one vs Shynoku

The clearest difference is ads: Shynoku at none against must be one's shown. Shynoku also leads on update cadence (every 8 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

must be one ships an update every 5 weeks, Shynoku every 8 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | must be one | Shynoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/shynoku/id6797897342/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 6 MB | 48 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [office-canard games](https://appshunter.io/developer/6793797221) | [Jason Kochan](https://appshunter.io/developer/1723722473) |

## What reviewers say

### must be one

[App page](https://appshunter.io/ios/app/must-be-one/id6794124997)

**In-app purchases:** none


### Shynoku

[App page](https://appshunter.io/ios/app/shynoku/id6797897342)

Engage in a relaxing block-placing puzzle experience. Arrange falling blocks to clear lines and achieve high scores. Enjoy a simple yet challenging gameplay loop perfect for quick sessions.

**Highlights:** Block placing puzzle, Line clearing gameplay, High score challenges, Relaxing experience, Simple controls

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

**In-app purchases:** none


## Frequently asked questions

### Is must be one free?

must be one is free to download, with no in-app purchases.

### Is Shynoku free?

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

### Do must be one or Shynoku have ads?

must be one shows ads; Shynoku does not.

### Which is updated more often, must be one or Shynoku?

must be one ships an update every 5 weeks, and Shynoku every 8 days. Most recently, must be one was updated on October 6, 2026 and Shynoku 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.*