# Robot Trains vs Cube Zone io

The clearest difference is rating: Cube Zone io at 3.2 against Robot Trains's 1.7. Cube Zone io also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 45 months). Robot Trains's advantage is review sentiment (33% vs 0%) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Robot Trains sells 1 one-off in-app purchase. Cube Zone io asks for nothing beyond the download.

Cube Zone io holds the better App Store score, 3.2 against 1.7. Both are backed by a comparable volume of ratings — 6 and 18 respectively. Written reviews complicate that: 33% of Robot Trains's written reviews are positive against 0% of Cube Zone io's, so the app with the better star average is not the one people write more warmly about.

Robot Trains ships an update every 45 months, Cube Zone io every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Robot Trains | Cube Zone io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/robot-trains/id1535163345/reviews) | **[3.2 (18 ratings)](https://appshunter.io/ios/app/cube-zone-io-color-map-clash/id6450925612/reviews)** |
| Number of ratings | 6 | **18** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 45 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 205 MB | 319 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Tap Tap Tales, SL](https://appshunter.io/developer/953158919) | [AI Games FZ](https://appshunter.io/developer/1478916023) |

## What reviewers say

### Robot Trains

[App page](https://appshunter.io/ios/app/robot-trains/id1535163345)

Embark on an adventure to save Railworld from a snowstorm by solving over 20 interactive games. Collect energy balls across different worlds to power a rocket and defeat the storm. This app strengthens cognitive skills and is designed for young learners.

**Highlights:** Over 20 interactive mini-games, Strengthens cognitive functions, Reward-based learning system, Approved by pre-school specialists, Available in 7 languages, Interactive learning with visual support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all | $2.99 | one-time |


### Cube Zone io

[App page](https://appshunter.io/ios/app/cube-zone-io-color-map-clash/id6450925612)

Navigate a vibrant 3D arena as a growing cube, collecting smaller cubes to expand your size. Dodge larger opponents and utilize power-ups to gain an edge. Compete for leaderboard dominance in this free-to-play adventure.

**Highlights:** Addictive cube collection gameplay, Dynamic 3D arena environment, Thrilling competition and leaderboards, Engaging level progression, Fun power-ups and boosters, Cube customization with unique skins

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Robot Trains free?

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

### Is Cube Zone io free?

Cube Zone io is free to download, with no in-app purchases.

### Which has better reviews, Robot Trains or Cube Zone io?

Cube Zone io is rated higher. Robot Trains averages 1.7 out of 5 from 6 ratings, while Cube Zone io averages 3.2 from 18 ratings.

### Do Robot Trains or Cube Zone io have ads?

Both Robot Trains and Cube Zone io show ads.

### Which is updated more often, Robot Trains or Cube Zone io?

Robot Trains ships an update every 45 months, and Cube Zone io every 2 months. Most recently, Robot Trains was updated on November 3, 2026 and Cube Zone io on November 7, 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.*