# Space Towers vs Steer the Marbles

The clearest difference is price: Steer the Marbles at Free against Space Towers's $0.49. Steer the Marbles also leads on in-app purchases (none vs 9) and iOS requirement (13.0 vs 15.0). Space Towers's advantage is ads (none vs shown) and update cadence (weekly vs every 18 months). On device support there is nothing between them.

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

Space Towers ships an update weekly, Steer the Marbles every 18 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Space Towers | Steer the Marbles |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/steer-the-marbles/id1115491147/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 18 months |
| Monetization | — | Ad-supported |
| Size | 45 MB | 68 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Dmytro Denys](https://appshunter.io/developer/429279016) | [F Permadi](https://appshunter.io/developer/442311898) |

## 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 |


### Steer the Marbles

[App page](https://appshunter.io/ios/app/steer-the-marbles/id1115491147)

Guide marbles and balls to their goals by tilting your device. Navigate through challenging levels with obstacles, mazes, and multiple holes while avoiding red balls. Collect gems and earn stars in this physics-based puzzle game.

**Highlights:** Tilt device to steer, 100+ playable levels, Avoid red balls, Collect gems, Physics game engine, Maze and obstacle levels

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

**In-app purchases:** none


## Frequently asked questions

### Is Space Towers free?

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

### Is Steer the Marbles free?

Steer the Marbles is free to download, with no in-app purchases.

### Do Space Towers or Steer the Marbles have ads?

Steer the Marbles shows ads; Space Towers does not.

### Which is updated more often, Space Towers or Steer the Marbles?

Space Towers ships an update weekly, and Steer the Marbles every 18 months. Most recently, Space Towers was updated on October 20, 2026 and Steer the Marbles on October 24, 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.*