# Space Towers vs Untangle

The clearest difference is price: Untangle at Free against Space Towers's $0.49. Untangle also leads on update cadence (every 2 days vs weekly). Space Towers's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Untangle is free to download; Space Towers costs $0.49 up front. Space Towers sells 9 one-off in-app purchases and Untangle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Space Towers ships an update weekly, Untangle every 2 days. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Space Towers | Untangle |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 45 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Denys](https://appshunter.io/developer/429279016) | [Mohamad Dbouk](https://appshunter.io/developer/6777754459) |

## What reviewers say

### Space Towers

[App page](https://appshunter.io/ios/app/space-towers-stack-puzzle/id774739001)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Undo Sack | $0.49 | one-time |
| HUGE UNDO SACK | $0.69 | one-time |
| Jumbo Undo Sack | $0.99 | one-time |
| Six Color Towers Puzzles Key | $0.99 | one-time |
| Seven Color Towers Puzzles Key | $0.99 | one-time |
| Eight Color Towers Puzzles Key | $0.99 | one-time |
| Unlimited Undo | $1.99 | one-time |
| Puzzle Generator Infinity Key | $1.99 | one-time |
| Universal Key | $1.99 | one-time |


### Untangle

[App page](https://appshunter.io/ios/app/untangle-calm-puzzles/id6777773558)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Untangle Premium | $2.99 | one-time |


## Frequently asked questions

### Is Space Towers free?

Space Towers costs $0.49, and also offers in-app purchases.

### Is Untangle free?

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

### Do Space Towers or Untangle have ads?

Untangle shows ads; Space Towers does not.

### Which is updated more often, Space Towers or Untangle?

Space Towers ships an update weekly, and Untangle every 2 days. Most recently, Space Towers was updated on October 20, 2026 and Untangle on October 11, 2026.

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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.*