# must be one vs Dots Out!

The clearest difference is update cadence: Dots Out! at weekly against must be one's every 5 weeks. On price, ads, in-app purchases and device support 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, Dots Out! weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | must be one | Dots Out! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dots-out/id6802229494/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 6 MB | 142 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [office-canard games](https://appshunter.io/developer/6793797221) | [Doruk Gunes](https://appshunter.io/developer/1513649643) |

## What reviewers say

### must be one

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

**In-app purchases:** none


### Dots Out!

[App page](https://appshunter.io/ios/app/dots-out/id6802229494)

A relaxing logic puzzle game where you place markers based on dot clues to clear the board. Enjoy hundreds of handcrafted levels with no timers or pressure, perfect for thoughtful play.

**Highlights:** Logic-based dot clue system, Marker placement to clear dots, Hundreds of handcrafted levels, No timers or rush, Linked cells mechanic, Hint system available

**Features:** macOS Compatibility

**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 Dots Out! free?

Dots Out! is free to download, with no in-app purchases.

### Do must be one or Dots Out! have ads?

Both must be one and Dots Out! show ads.

### Which is updated more often, must be one or Dots Out!?

must be one ships an update every 5 weeks, and Dots Out! weekly. Most recently, must be one was updated on October 31, 2026 and Dots Out! on October 31, 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.*