# must be one vs Equalize

The clearest difference is in-app purchases: must be one at none against Equalize's 4. Equalize's advantage is update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Equalize sells 4 one-off in-app purchases. must be one asks for nothing beyond the download.

must be one ships an update every 5 weeks, Equalize weekly. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | must be one | Equalize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 6 MB | 39 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) | [MUSTAFA NURI PEKDEMIR](https://appshunter.io/developer/1892631183) |

## What reviewers say

### must be one

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

**In-app purchases:** none


### Equalize

[App page](https://appshunter.io/ios/app/equalize-number-logic-puzzle/id6804238371)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Hints | $0.99 | one-time |
| 50 Hints | $2.99 | one-time |
| Equalize Pro | $3.99 | one-time |
| 200 Hints | $7.99 | one-time |


## Frequently asked questions

### Is must be one free?

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

### Is Equalize free?

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

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

Both must be one and Equalize show ads.

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

must be one ships an update every 5 weeks, and Equalize weekly. Most recently, must be one was updated on October 6, 2026 and Equalize on October 16, 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.*