# must be one vs Last Frog

The clearest difference is iOS requirement: must be one at 15.6 against Last Frog's 17.0. 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.

## The numbers

| Metric | must be one | Last Frog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | — |
| Size | 6 MB | 22 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [office-canard games](https://appshunter.io/developer/6793797221) | [Viktor Fomin](https://appshunter.io/developer/6792495028) |

## What reviewers say

### must be one

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

**In-app purchases:** none


### Last Frog

[App page](https://appshunter.io/ios/app/last-frog/id6801639761)

**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 Last Frog free?

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

### Do must be one or Last Frog have ads?

Both must be one and Last Frog show ads.

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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.*