# Logic King vs Untangler

The clearest difference is iOS requirement: Logic King at 15.0 against Untangler's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Logic King sells 1 one-off in-app purchase and Untangler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Logic King ships an update every 10 days, Untangler weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Logic King | Untangler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Size | 85 MB | 13 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Netdomuz](https://appshunter.io/developer/1850784308) | [Alpaslan Ucar](https://appshunter.io/developer/1892718121) |

## What reviewers say

### Logic King

[App page](https://appshunter.io/ios/app/logic-king-math-puzzles/id6754893822)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Untangler

[App page](https://appshunter.io/ios/app/untangler-untangle-knots/id6762063610)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


## Frequently asked questions

### Is Logic King free?

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

### Is Untangler free?

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

### Do Logic King or Untangler have ads?

Both Logic King and Untangler show ads.

### Which is updated more often, Logic King or Untangler?

Logic King ships an update every 10 days, and Untangler weekly. Most recently, Logic King was updated on October 30, 2026 and Untangler on October 31, 2026.

---

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