# Space Towers vs Longest River

The clearest difference is price: Longest River at Free against Space Towers's $0.49. Longest River also leads on in-app purchases (none vs 9) and iOS requirement (12.0 vs 15.0). Space Towers's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On device support there is nothing between them.

Longest River is free to download; Space Towers costs $0.49 up front. Space Towers sells 9 one-off in-app purchases. Longest River asks for nothing beyond the download.

Space Towers ships an update weekly, Longest River every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Space Towers | Longest River |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/longest-river/id6464080541/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 45 MB | 40 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Denys](https://appshunter.io/developer/429279016) | [Cloudberry Pine AB](https://appshunter.io/developer/1705456072) |

## 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 |


### Longest River

[App page](https://appshunter.io/ios/app/longest-river/id6464080541)

A logic puzzle game where you create the longest possible river paths using stone blocks. Enjoy a relaxing experience with nature and piano sounds as you test your IQ and complete challenging levels.

**Highlights:** Create longest river paths, Logical brain puzzle, Relaxing soundtrack, No time limits, Undo button, Suitable for adults and kids

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Towers free?

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

### Is Longest River free?

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

### Do Space Towers or Longest River have ads?

Longest River shows ads; Space Towers does not.

### Which is updated more often, Space Towers or Longest River?

Space Towers ships an update weekly, and Longest River every 3 weeks. Most recently, Space Towers was updated on October 8, 2026 and Longest River on October 1, 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.*