# Cat Evolution vs Robot Evolution

The clearest difference is update cadence: Cat Evolution at every 11 days against Robot Evolution's every 6 weeks. Cat Evolution also leads on ratings volume (8.1K vs 729). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Cat Evolution sells 11 one-off in-app purchases and Robot Evolution sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Cat Evolution against 4.8 for Robot Evolution. That said, the two scores are not equally well evidenced: Cat Evolution has 8.1K ratings behind it against 729, so its average is the more settled of the two. Written reviews are what separate them: 82% of Cat Evolution's written reviews are positive against 86% of Robot Evolution's.

Cat Evolution ships an update every 11 days, Robot Evolution every 6 weeks. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Cat Evolution | Robot Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8.1K ratings)](https://appshunter.io/ios/app/cat-evolution-kitty-fusion/id1126539920/reviews) | [4.8 (729 ratings)](https://appshunter.io/ios/app/robot-evolution-machine-merge/id1275133471/reviews) |
| Number of ratings | **8.1K** | 729 |
| Positive reviews | 81.6% of reviews | **85.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 162 MB | 155 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) |

## 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)


### Robot Evolution

[App page](https://appshunter.io/ios/app/robot-evolution-machine-merge/id1275133471)

Merge robots to create bizarre new machines and build a powerful army. Discover various robot types across different stages and unlock multiple endings. Tap or drag to earn coins and expand your collection.

**Highlights:** Drag and drop robots to merge, Discover new robot types, Earn coins to buy creatures, Build a high-tech army, Unlock various endings, Idle clicker gameplay

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pack of rubies | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| pack with diamonds | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Shop Bundle | $2.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Hard Currency Pack 2 | $4.99 | one-time |
| big pack of rubies | $5.99 | one-time |
| Shop Bundle | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| Hard Currency Pack 3 | $9.99 | one-time |
| starter bundle | $24.99 | one-time |

**What reviewers like**

- 👍 Awesome game
- 🤖 Fun robot evolutions
- 💡 Lots of unique robot designs
- 🕹️ Addictive gameplay
- 🎨 Cute and colorful visuals

**What reviewers complain about**

- 🔍 Some features feel hidden or unclear
- 🔋 High battery consumption
- 🔗 Frequent ads interrupting gameplay
- 🐛 Occasional bugs and glitches

**Reported bugs**

- Game freezes or pauses when switching between screens
- Inconsistent berry drop rates despite upgrades
- Ads sometimes cause the game to crash

**Requested features**

- Add more evolution games on iOS
- Improve screen compatibility for newer devices
- Reduce frequency of ads or provide ad-free option
- Add ability to delete game progress


## Frequently asked questions

### Is Cat Evolution free?

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

### Is Robot Evolution free?

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

### Which has better reviews, Cat Evolution or Robot Evolution?

Cat Evolution and Robot Evolution are both rated 4.8 out of 5 on the App Store, from 8.1K and 729 ratings respectively.

### Do Cat Evolution or Robot Evolution have ads?

Both Cat Evolution and Robot Evolution show ads.

### Which is updated more often, Cat Evolution or Robot Evolution?

Cat Evolution ships an update every 11 days, and Robot Evolution every 6 weeks. Most recently, Cat Evolution was updated on September 29, 2026 and Robot Evolution 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.*