# Crystal Lab vs Stone Throw Evolution

The clearest difference is in-app purchases: Stone Throw Evolution at none against Crystal Lab's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Crystal Lab sells 1 one-off in-app purchase. Stone Throw Evolution asks for nothing beyond the download.

Crystal Lab ships an update every 3 weeks, Stone Throw Evolution fortnightly. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Crystal Lab | Stone Throw Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (4 ratings)](https://appshunter.io/ios/app/stone-throw-evolution/id6772107783/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 105 MB | 399 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Richard Menezes](https://appshunter.io/developer/1836283091) | [Khurram Samad](https://appshunter.io/developer/301202277) |

## What reviewers say

### Crystal Lab

[App page](https://appshunter.io/ios/app/crystal-lab/id6766129019)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remover anúncios | $1.99 | one-time |


### Stone Throw Evolution

[App page](https://appshunter.io/ios/app/stone-throw-evolution/id6772107783)

Launch stones with a slingshot to destroy enemy castles and defeat guards. Upgrade your projectiles from simple stones to explosive bombs and fireballs to conquer tougher defenses. Become the ultimate castle destroyer.

**Highlights:** Slingshot projectile launching, Enemy castle destruction, Projectile evolution and upgrades, Defeat enemy guards, Conquer tougher castles

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

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Lab free?

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

### Is Stone Throw Evolution free?

Stone Throw Evolution is free to download, with no in-app purchases.

### Do Crystal Lab or Stone Throw Evolution have ads?

Both Crystal Lab and Stone Throw Evolution show ads.

### Which is updated more often, Crystal Lab or Stone Throw Evolution?

Crystal Lab ships an update every 3 weeks, and Stone Throw Evolution fortnightly. Most recently, Crystal Lab was updated on October 13, 2026 and Stone Throw Evolution on October 8, 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.*