# Space Towers vs Tetrius

The clearest difference is price: Tetrius at Free against Space Towers's $0.49. Tetrius also leads on in-app purchases (none vs 9). Space Towers's advantage is ads (none vs shown) and update cadence (weekly vs every 95 months). On device support and iOS requirement there is nothing between them.

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

Space Towers ships an update weekly, Tetrius every 95 months. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Space Towers | Tetrius |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/tetrius/id1403719960/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 95 months |
| Monetization | — | Free |
| Best chart rank | **#145** | — |
| Size | 45 MB | 177 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) | [Dmitriy Rytikov](https://appshunter.io/developer/1218384309) |

## What reviewers say

### Space Towers

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

**Currently charting:** #145 Top Paid · Casual, #175 Top Paid · Puzzle (US App Store)

**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 |


### Tetrius

[App page](https://appshunter.io/ios/app/tetrius/id1403719960)

Experience a fresh take on the classic tetromino puzzle game. Aim to survive as long as possible and compete globally for the top spot. Features unique music and intuitive controls across 100 levels.

**Highlights:** Classic tetromino gameplay, Unique musical design, Global rating system, Intuitive controls, 100 levels

**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 Tetrius free?

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

### Do Space Towers or Tetrius have ads?

Tetrius shows ads; Space Towers does not.

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

Space Towers ships an update weekly, and Tetrius every 95 months. Most recently, Space Towers was updated on September 30, 2026 and Tetrius on September 21, 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.*