# Idle Evolution vs Scorpion Robot

The clearest difference is review sentiment: Idle Evolution at 78% against Scorpion Robot's 0%. Idle Evolution also leads on rating (4.6 vs 1.0) and ratings volume (1.3K vs 2). Scorpion Robot's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Idle Evolution sells 1 one-off in-app purchase. Scorpion Robot asks for nothing beyond the download.

Idle Evolution holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Idle Evolution has 1.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 78% of Idle Evolution's written reviews are positive against 0% of Scorpion Robot's.

Idle Evolution ships an update every 5 months, Scorpion Robot every 26 months. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Idle Evolution | Scorpion Robot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.3K ratings)](https://appshunter.io/ios/app/idle-evolution-reptile-empire/id1610505803/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/scorpion-robot/id1633401855/reviews) |
| Number of ratings | **1.3K** | 2 |
| Positive reviews | **77.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 26 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 259 MB | 366 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nikita Subachev](https://appshunter.io/developer/1447777375) | [Clementoni S.p.A.](https://appshunter.io/developer/575135209) |

## What reviewers say

### Idle Evolution

[App page](https://appshunter.io/ios/app/idle-evolution-reptile-empire/id1610505803)

Engage in a fun tap and clicker game where you control a hungry reptile. Explore a 3D city, eat everything in your path, and evolve your creature into the ultimate beast. Battle against mankind to survive and become a legend.

**Highlights:** Tap and clicker gameplay, Eating simulator, Monster evolution, 3D city exploration, Grow your reptile, Battle mankind

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $3.99 | one-time |


### Scorpion Robot

[App page](https://appshunter.io/ios/app/scorpion-robot/id1633401855)

Assemble and control a robotic scorpion with this app. Explore its movements and program sequences of up to six commands. The app uses high-frequency sounds for seemingly magical communication with the robot.

**Highlights:** Assemble robotic scorpion, Control robot movements, 15 programmable functions, Program command sequences, Infrared sensor imitation, High-frequency sound communication

**In-app purchases:** none


## Frequently asked questions

### Is Idle Evolution free?

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

### Is Scorpion Robot free?

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

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

Idle Evolution is rated higher. Idle Evolution averages 4.6 out of 5 from 1.3K ratings, while Scorpion Robot averages 1.0 from 2 ratings.

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

Idle Evolution shows ads; Scorpion Robot does not.

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

Idle Evolution ships an update every 5 months, and Scorpion Robot every 26 months. Most recently, Idle Evolution was updated on October 30, 2026 and Scorpion Robot on October 20, 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.*