# Riddlerr vs Fold to One

The clearest difference is iOS requirement: Fold to One at 13.0 against Riddlerr'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 | Riddlerr | Fold to One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 20 MB | 162 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Vladyslav Yermakov](https://appshunter.io/developer/1659418110) | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) |

## What reviewers say

### Riddlerr

[App page](https://appshunter.io/ios/app/riddlerr/id1659418108)

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

**In-app purchases:** none


### Fold to One

[App page](https://appshunter.io/ios/app/fold-to-one/id6468666675)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Riddlerr free?

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

### Is Fold to One free?

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

### Do Riddlerr or Fold to One have ads?

Both Riddlerr and Fold to One 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.*