# NumFlow vs No Red Left

The clearest difference is in-app purchases: No Red Left at none against NumFlow's 4. No Red Left also leads on iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. NumFlow sells 4 one-off in-app purchases. No Red Left asks for nothing beyond the download.

## The numbers

| Metric | NumFlow | No Red Left |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | — |
| Size | 8 MB | 63 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mustafa Ofluoglu](https://appshunter.io/developer/6794329369) | [Muhammet Ayaz Turkoz](https://appshunter.io/developer/6814408800) |

## What reviewers say

### NumFlow

[App page](https://appshunter.io/ios/app/numflow-number-puzzle/id6812376955)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Hints | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |
| 100 Hints | $8.99 | one-time |
| 300 Hints | $14.99 | one-time |


### No Red Left

[App page](https://appshunter.io/ios/app/no-red-left/id6814408798)

**In-app purchases:** none


## Frequently asked questions

### Is NumFlow free?

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

### Is No Red Left free?

No Red Left is free to download, with no in-app purchases.

### Do NumFlow or No Red Left have ads?

Both NumFlow and No Red Left 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.*