# Space Towers vs Kestli

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

Kestli is free to download; Space Towers costs $0.49 up front. Space Towers sells 9 one-off in-app purchases and Kestli sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Space Towers ships an update weekly, Kestli every 9 days. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Space Towers | Kestli |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/kestli/id6478221882/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Denys](https://appshunter.io/developer/429279016) | [Johannes Kestler](https://appshunter.io/developer/711411336) |

## What reviewers say

### Space Towers

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

**Features:** macOS Compatibility

**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 |


### Kestli

[App page](https://appshunter.io/ios/app/kestli/id6478221882)

Engage your mind with a logic puzzle game where you unblock and arrange falling stones. Solve beautifully crafted puzzles to relax and experience a deeply satisfying challenge. Daily puzzles and hints are available to enhance your gameplay.

**Highlights:** Unblock and arrange falling stones, Hand-crafted puzzles, Daily puzzles, No internet required for gameplay, Hint system available

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 hints | $0.99 | one-time |
| 20 hints | $1.99 | one-time |
| 70 hints | $4.99 | one-time |


## Frequently asked questions

### Is Space Towers free?

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

### Is Kestli free?

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

### Do Space Towers or Kestli have ads?

Kestli shows ads; Space Towers does not.

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

Space Towers ships an update weekly, and Kestli every 9 days. Most recently, Space Towers was updated on September 14, 2026 and Kestli on September 15, 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.*