# Unknot vs Loopling

The clearest difference is in-app purchases: Unknot at none against Loopling's 1. Unknot also leads on device support (3 vs 1) and iOS requirement (12.2 vs 18.0). Loopling's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Loopling sells 1 one-off in-app purchase. Unknot asks for nothing beyond the download.

## The numbers

| Metric | Unknot | Loopling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | — |
| Size | 18 MB | 13 MB |
| Requires iOS | **12.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LELEU LABS LLC](https://appshunter.io/developer/1825013794) | [Ilia Filiaev](https://appshunter.io/developer/1742628366) |

## What reviewers say

### Unknot

[App page](https://appshunter.io/ios/app/unknot-trivialize-the-loop/id6748287972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Loopling

[App page](https://appshunter.io/ios/app/loopling-time-loop-puzzles/id6779392635)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loopling Pro | $3.99 | one-time |


## Frequently asked questions

### Is Unknot free?

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

### Is Loopling free?

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

### Do Unknot or Loopling have ads?

Unknot shows ads; Loopling does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*