# iM.Master vs 机械积木

The clearest difference is ratings volume: iM.Master at 90 against 机械积木's 2. 机械积木's advantage is rating (3.0 vs 2.8) and iOS requirement (13.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

机械积木 holds the better App Store score, 3.0 against 2.8. That said, the two scores are not equally well evidenced: iM.Master has 90 ratings behind it against 2, so its average is the more settled of the two.

iM.Master ships an update every 2 months, 机械积木 monthly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | iM.Master | 机械积木 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (90 ratings)](https://appshunter.io/ios/app/immaster/id1605106520/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id6746326608/reviews)** |
| Number of ratings | **90** | 2 |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 25 MB | 81 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [卓挺 杜](https://appshunter.io/developer/628442211) | [Guangdong Jiexing Toy Industry Co.,Ltd.](https://appshunter.io/developer/1580183396) |

## What reviewers say

### iM.Master

[App page](https://appshunter.io/ios/app/immaster/id1605106520)

Control building block robots with various intuitive methods. Explore fun through conventional key controls, gravity sensing, line drawing, and action programming.

**Highlights:** Conventional key remote control, Gravity sensing control, Line drawing remote control, Action programming control, Multiple control styles

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

**In-app purchases:** none


### 机械积木

[App page](https://appshunter.io/ios/app/id6746326608)

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

**In-app purchases:** none


## Frequently asked questions

### Is iM.Master free?

iM.Master is free to download, with no in-app purchases.

### Is 机械积木 free?

机械积木 is free to download, with no in-app purchases.

### Which has better reviews, iM.Master or 机械积木?

机械积木 is rated higher. iM.Master averages 2.8 out of 5 from 90 ratings, while 机械积木 averages 3.0 from 2 ratings.

### Do iM.Master or 机械积木 have ads?

Neither iM.Master nor 机械积木 shows ads.

### Which is updated more often, iM.Master or 机械积木?

iM.Master ships an update every 2 months, and 机械积木 monthly. Most recently, iM.Master was updated on September 22, 2026 and 机械积木 on September 24, 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.*