# 专注一下 vs RoomTrace 3D

The clearest difference is in-app purchases: RoomTrace 3D at none against 专注一下's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 专注一下 sells 3 in-app purchases, starting at $0.99 per month. RoomTrace 3D asks for nothing beyond the download.

## The numbers

| Metric | 专注一下 | RoomTrace 3D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | — | Paid |
| Size | 72 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晓 杨](https://appshunter.io/developer/1787793900) | [鑫 宋](https://appshunter.io/developer/1857419453) |

## What reviewers say

### 专注一下

[App page](https://appshunter.io/ios/app/id6795566979)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 年度会员 | $0.99 | per year |
| 终生会员 | $0.99 | one-time |


### RoomTrace 3D

[App page](https://appshunter.io/ios/app/roomtrace-3d/id6803338815)

Transform your real-world rooms into explorable 3D spaces with simple room scanning. This app identifies walls, doors, windows, and furniture, allowing you to view, rotate, and export your creations in various formats. It prioritizes user privacy with on-device processing and no tracking.

**Highlights:** Simple room scanning with on-screen prompts, Automatic identification of walls, doors, windows, and furniture, 3D viewing with rotation and zoom, On-device processing for privacy, Export to USDZ and OBJ formats, No account, ads, or tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 专注一下 free?

专注一下 is free to download, with in-app purchases available.

### Is RoomTrace 3D free?

RoomTrace 3D is free to download, with no in-app purchases.

### Do 专注一下 or RoomTrace 3D have ads?

Neither 专注一下 nor RoomTrace 3D shows ads.

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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.*