# World Best Speed vs Num Merge

The clearest difference is iOS requirement: Num Merge at 11.0 against World Best Speed's 15.0. 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 | World Best Speed | Num Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | — |
| Size | 110 MB | 77 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PLUMERIA Inc.](https://appshunter.io/developer/1498884169) | [Virtual Projects Oyun Yazilim Ve Teknoloji](https://appshunter.io/developer/1327820445) |

## What reviewers say

### World Best Speed

[App page](https://appshunter.io/ios/app/world-best-speed/id1498884170)

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

**In-app purchases:** none


### Num Merge

[App page](https://appshunter.io/ios/app/num-merge/id1672020697)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Best Speed free?

World Best Speed is free to download, with no in-app purchases.

### Is Num Merge free?

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

### Do World Best Speed or Num Merge have ads?

Both World Best Speed and Num Merge 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.*