# MAI TECH vs Room Layout Sketch

The clearest difference is iOS requirement: MAI TECH at 12.3 against Room Layout Sketch's 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.

MAI TECH ships an update every 3 weeks, Room Layout Sketch fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MAI TECH | Room Layout Sketch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 152 MB | 44 MB |
| Requires iOS | **12.3** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) | [Venus Windsor](https://appshunter.io/developer/6780373588) |

## What reviewers say

### MAI TECH

[App page](https://appshunter.io/ios/app/mai-tech/id6444035864)

**Features:** macOS Compatibility

**In-app purchases:** none


### Room Layout Sketch

[App page](https://appshunter.io/ios/app/room-layout-sketch/id6780373586)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MAI TECH free?

MAI TECH is free to download, with no in-app purchases.

### Is Room Layout Sketch free?

Room Layout Sketch is free to download, with no in-app purchases.

### Do MAI TECH or Room Layout Sketch have ads?

Neither MAI TECH nor Room Layout Sketch shows ads.

### Which is updated more often, MAI TECH or Room Layout Sketch?

MAI TECH ships an update every 3 weeks, and Room Layout Sketch fortnightly. Most recently, MAI TECH was updated on October 25, 2026 and Room Layout Sketch on October 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.*