# Knot Clear vs Photon Recall

The clearest difference is in-app purchases: Knot Clear at none against Photon Recall's 1. Knot Clear also leads on device support and iOS requirement (12.0 vs 18.0). On price there is nothing between them.

Both are free to download. Photon Recall sells 1 one-off in-app purchase. Knot Clear asks for nothing beyond the download.

## The numbers

| Metric | Knot Clear | Photon Recall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Size | 114 MB | 7 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Nebih Basaran](https://appshunter.io/developer/1586973680) | [Afterload AS](https://appshunter.io/developer/1783625285) |

## What reviewers say

### Knot Clear

[App page](https://appshunter.io/ios/app/knot-clear/id6502645855)

**Features:** macOS Compatibility

**In-app purchases:** none


### Photon Recall

[App page](https://appshunter.io/ios/app/photon-recall/id6760273767)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Game Modes | $1.99 | one-time |


## Frequently asked questions

### Is Knot Clear free?

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

### Is Photon Recall free?

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

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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.*