# Zudiro vs must be one

The clearest difference is ads: Zudiro at none against must be one's shown. Zudiro also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (13.4 vs 15.6). On price, 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.

Zudiro ships an update every 2 weeks, must be one every 5 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Zudiro | must be one |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 19 MB | 6 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devanco](https://appshunter.io/developer/1568938055) | [office-canard games](https://appshunter.io/developer/6793797221) |

## What reviewers say

### Zudiro

[App page](https://appshunter.io/ios/app/zudiro/id6736738835)

This logic puzzle game challenges players to fill a grid using multiplicative constraints. It offers an intellectual challenge for fans of math-based puzzles and number sense. Conquer all the challenges and master the art of multiplication.

**Highlights:** Multiplicative logic puzzles, Grid-filling challenges, Number sense testing, Intellectual challenges, Math-based puzzles

**In-app purchases:** none


### must be one

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

**In-app purchases:** none


## Frequently asked questions

### Is Zudiro free?

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

### Is must be one free?

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

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

must be one shows ads; Zudiro does not.

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

Zudiro ships an update every 2 weeks, and must be one every 5 weeks. Most recently, Zudiro was updated on October 4, 2026 and must be one on October 6, 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.*