# Robot Evolution vs Merge Unicorn

The clearest difference is ads: Merge Unicorn at none against Robot Evolution's shown. Merge Unicorn also leads on update cadence (every 2 days vs every 6 weeks) and iOS requirement (8.0 vs 15.0). Robot Evolution's advantage is rating (4.8 vs 4.6) and review sentiment (86% vs 77%). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Robot Evolution sells 12 one-off in-app purchases and Merge Unicorn sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Robot Evolution holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 729 and 335 respectively. Written reviews point the same way: 86% of Robot Evolution's written reviews are positive against 77% of Merge Unicorn's.

Robot Evolution ships an update every 6 weeks, Merge Unicorn every 2 days. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Robot Evolution | Merge Unicorn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (729 ratings)](https://appshunter.io/ios/app/robot-evolution-machine-merge/id1275133471/reviews)** | [4.6 (335 ratings)](https://appshunter.io/ios/app/merge-unicorn-idle-evolution/id1437568273/reviews) |
| Number of ratings | **729** | 335 |
| Positive reviews | **85.9% of reviews** | 76.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 155 MB | 232 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Evolution Games GmbH](https://appshunter.io/developer/1183768323) |

## What reviewers say

### 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


### Merge Unicorn

[App page](https://appshunter.io/ios/app/merge-unicorn-idle-evolution/id1437568273)

Merge identical unicorns to discover new, cuter evolutions. Earn coins while idle, tap to speed up, and invest wisely to grow your collection across continents and galaxies. Discover all 30 unique unicorn forms and unlock different game endings.

**Highlights:** Merge identical unicorns, Discover new evolutions, Idle coin earning, Tap to earn coins, Invest in gold income, Collect 30 unicorn forms, Offline play

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Bundle | $1.99 | one-time |
| Gamer Bundle | $4.99 | one-time |
| Master Bundle | $14.99 | one-time |

**What reviewers like**

- 🤩 Highly addictive gameplay
- 🦄 Cute and lovable unicorns
- 💖 Fun and enjoyable experience
- 😌 Relaxing and stress-relieving
- 🆓 Free to play

**What reviewers complain about**

- 👎 Old versions were better
- 💰 Frequent monetization prompts
- 📉 Progress loss at higher levels
- 🧩 Merging issues and glitches
- 🚫 Lack of sell button

**Reported bugs**

- Cannot merge items when having one of everything
- Level 21 locks up constantly
- Logo is squished on bundle pop-ups
- Drag and merge actions go to the wrong spot
- Upgrade says max level when it's not

**Requested features**

- Add a sell button for items
- Improve merging mechanics to prevent items going to wrong spots
- Fix issues with level 21 and higher progression
- Restore lost progress and purchases
- Improve detail in bundle pop-ups


## Frequently asked questions

### Is Robot Evolution free?

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

### Is Merge Unicorn free?

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

### Which has better reviews, Robot Evolution or Merge Unicorn?

Robot Evolution is rated higher. Robot Evolution averages 4.8 out of 5 from 729 ratings, while Merge Unicorn averages 4.6 from 335 ratings.

### Do Robot Evolution or Merge Unicorn have ads?

Robot Evolution shows ads; Merge Unicorn does not.

### Which is updated more often, Robot Evolution or Merge Unicorn?

Robot Evolution ships an update every 6 weeks, and Merge Unicorn every 2 days. Most recently, Robot Evolution was updated on October 15, 2026 and Merge Unicorn on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*