# Robot Evolution vs Idle Mastermind

The clearest difference is review sentiment: Robot Evolution at 86% against Idle Mastermind's 68%. Robot Evolution also leads on rating (4.8 vs 4.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Robot Evolution sells 12 one-off in-app purchases and Idle Mastermind sells 12 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 440 respectively. Written reviews point the same way: 86% of Robot Evolution's written reviews are positive against 68% of Idle Mastermind's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Robot Evolution | Idle Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (729 ratings)](https://appshunter.io/ios/app/robot-evolution-machine-merge/id1275133471/reviews)** | [4.6 (440 ratings)](https://appshunter.io/ios/app/idle-mastermind/id1488900054/reviews) |
| Number of ratings | **729** | 440 |
| Positive reviews | **85.9% of reviews** | 67.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 155 MB | 286 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Grumpy Rhino Games LTD](https://appshunter.io/developer/895152576) |

## 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


### Idle Mastermind

[App page](https://appshunter.io/ios/app/idle-mastermind/id1488900054)

Embrace your inner supervillain in this idle simulation game. Build a secret lair, recruit henchmen, and execute dastardly plans to take over the world. Choose from three unique villains, each with their own strategies and grand schemes.

**Highlights:** Play as 3 distinct supervillains, Build and customize your evil lair, Hire and manage an army of henchmen, Raid cities for resources, Unlock new research and skills, Execute evil grand plans

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Gems | $4.99 | one-time |
| 500 Gems | $9.99 | one-time |
| Event Pack | $9.99 | one-time |
| Yara Starter Pack | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Seasonal Bundle | $9.99 | one-time |
| More Everything | $14.99 | one-time |
| Golden Throne | $14.99 | one-time |
| 1,250 Gems | $19.99 | one-time |
| LOL Starter Pack | $24.99 | one-time |
| 2,500 Gems | $29.99 | one-time |
| Double Trouble | $49.99 | one-time |

**What reviewers like**

- 🎨 Beautiful pixel art and visual design
- 😂 Witty humor and charming character dialogue
- 🎮 Engaging idle game mechanics with good progression
- ⏰ Balanced gameplay between idle and active play
- 💰 Obtainable premium currency without spending money

**What reviewers complain about**

- 🐌 Painfully slow progression and grinding
- 💸 Aggressive monetization and expensive in-app purchases
- 🔐 Content locked behind paywalls required for progression
- 🔁 Repetitive prestige mechanic feels tedious
- ⏳ Time-gated events requiring premium currency to participate

**Reported bugs**

- Game crashes when Counterfeit character robs buildings
- Random audio error producing persistent chopping/high-five sounds
- Progress randomly deleted without explanation
- Game crashes at startup after updates
- Laboratory won't produce microchips, causing soft-lock

**Requested features**

- Increase progression speed by 20%
- VIP program with spending-based rewards and stat bonuses
- Skin texture overhaul with Sid's tower theme
- More content and longer event durations
- Better balance between free and paid progression paths


## Frequently asked questions

### Is Robot Evolution free?

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

### Is Idle Mastermind free?

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

### Which has better reviews, Robot Evolution or Idle Mastermind?

Robot Evolution is rated higher. Robot Evolution averages 4.8 out of 5 from 729 ratings, while Idle Mastermind averages 4.6 from 440 ratings.

### Do Robot Evolution or Idle Mastermind have ads?

Both Robot Evolution and Idle Mastermind show ads.

### Which is updated more often, Robot Evolution or Idle Mastermind?

Robot Evolution ships an update every 6 weeks, and Idle Mastermind every 6 weeks. Most recently, Robot Evolution was updated on October 15, 2026 and Idle Mastermind on October 17, 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.*