# Space Towers vs Evolvace E3O

The clearest difference is update cadence: Space Towers at weekly against Evolvace E3O's every 7 months. Space Towers also leads on price ($0.49 vs $4.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Space Towers costs $0.49 and Evolvace E3O $4.99 up front. Space Towers sells 9 one-off in-app purchases and Evolvace E3O 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, Evolvace E3O every 7 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Space Towers | Evolvace E3O |
| --- | --- | --- |
| Price | **$0.49** | $4.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Size | 45 MB | 76 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Denys](https://appshunter.io/developer/429279016) | [Tetsuyoshi Morikawa](https://appshunter.io/developer/430144969) |

## 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 |


### Evolvace E3O

[App page](https://appshunter.io/ios/app/evolvace-e3o/id981898557)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Space Towers free?

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

### Is Evolvace E3O free?

Evolvace E3O costs $4.99, and also offers in-app purchases.

### Do Space Towers or Evolvace E3O have ads?

Neither Space Towers nor Evolvace E3O shows ads.

### Which is updated more often, Space Towers or Evolvace E3O?

Space Towers ships an update weekly, and Evolvace E3O every 7 months. Most recently, Space Towers was updated on October 8, 2026 and Evolvace E3O on October 3, 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.*