# Num Merge vs Sing, O Cat!

The clearest difference is iOS requirement: Num Merge at 11.0 against Sing, O Cat!'s 13.0. 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 | Num Merge | Sing, O Cat! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 77 MB | 143 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Virtual Projects Oyun Yazilim Ve Teknoloji](https://appshunter.io/developer/1327820445) | [TechQiao Inc.](https://appshunter.io/developer/1594308257) |

## What reviewers say

### Num Merge

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Sing, O Cat!

[App page](https://appshunter.io/ios/app/sing-o-cat/id6751480012)

**In-app purchases:** none


## Frequently asked questions

### Is Num Merge free?

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

### Is Sing, O Cat! free?

Sing, O Cat! is free to download, with no in-app purchases.

### Do Num Merge or Sing, O Cat! have ads?

Both Num Merge and Sing, O Cat! 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.*