# Cat Evolution vs StackTropolis

The clearest difference is in-app purchases: StackTropolis at none against Cat Evolution's 11. StackTropolis also leads on iOS requirement (12.0 vs 15.0). Cat Evolution's advantage is device support. On price there is nothing between them.

Both are free to download. Cat Evolution sells 11 one-off in-app purchases. StackTropolis asks for nothing beyond the download.

## The numbers

| Metric | Cat Evolution | StackTropolis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8.1K ratings)](https://appshunter.io/ios/app/cat-evolution-kitty-fusion/id1126539920/reviews)** | — |
| Number of ratings | **8.1K** | — |
| Positive reviews | 81.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 11 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 162 MB | 48 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 9+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Aadhi Pixels Ltd](https://appshunter.io/developer/1725196952) |

## What reviewers say

### Cat Evolution

[App page](https://appshunter.io/ios/app/cat-evolution-kitty-fusion/id1126539920)

Combine cats to evolve them into unique and bizarre forms in this incremental clicker game. Discover new species, collect coins, and unlock various endings. It's a purr-fectly amusing experience for cat lovers.

**Highlights:** Combine cats to evolve, Discover curious and bizarre forms, Collect cat poop coins, Unlock different stages and species, Experience a mind-blowing story, Multiple possible endings

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pack of rubies | $1.99 | one-time |
| instant coins doubler | $1.99 | one-time |
| pack with some diamonds | $1.99 | one-time |
| pack of diamonds | $1.99 | one-time |
| ads removal | $1.99 | one-time |
| pack with more diamonds | $3.99 | one-time |
| big pack of rubies | $4.99 | one-time |
| income doubler | $5.99 | one-time |
| pack with plenty of diamonds | $6.99 | one-time |
| Trinket | $6.99 | one-time |
| starter bundle with discount | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive game
- 😻 Cute and amusing cat designs
- 🚀 Fast progression and evolution
- 💎 Ability to customize cats with hats

**What reviewers complain about**

- 🙄 Excessive ads that can crash the game
- 🤔 Disappearing cat customizations after restarting
- 🤯 Glitches with berry and tractor functionality

**Reported bugs**

- Game crashes when watching certain ads
- Purchased cats disappearing after crashes
- Berries and tractor not working as expected

**Requested features**

- Ability to save custom cat colors
- Option to disable ads or pay for ad-free version
- Improved crate opening experience (no need to tap individually)


### StackTropolis

[App page](https://appshunter.io/ios/app/stacktropolis/id6476424477)

**In-app purchases:** none


## Frequently asked questions

### Is Cat Evolution free?

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

### Is StackTropolis free?

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

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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.*