# 三联小助手 vs 3D Object & Room Scanner

The clearest difference is in-app purchases: 三联小助手 at none against 3D Object & Room Scanner's 3. 三联小助手 also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 3D Object & Room Scanner sells 3 in-app purchases, starting at $0.99 per month. 三联小助手 asks for nothing beyond the download.

三联小助手 ships an update every 5 weeks, 3D Object & Room Scanner every 2 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 三联小助手 | 3D Object & Room Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (28 ratings)](https://appshunter.io/ios/app/3d-object-and-room-scanner/id6480382590/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 34 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [时体 林](https://appshunter.io/developer/1062218647) | [Nicolo Stanciu](https://appshunter.io/developer/930855677) |

## What reviewers say

### 三联小助手

[App page](https://appshunter.io/ios/app/id1453818541)

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

**In-app purchases:** none


### 3D Object & Room Scanner

[App page](https://appshunter.io/ios/app/3d-object-and-room-scanner/id6480382590)

Capture real-world objects and spaces in 3D using your device's LiDAR sensor. View scans in AR, export them in various formats, and sync them across devices. Ideal for hobbyists, designers, and anyone interested in 3D modeling and augmented reality.

**Highlights:** 3D scanning of objects and spaces, AR viewing of scans, Export in USDZ, STL, PLY, ABC, OBJ, Video capture of 3D models, iCloud Sync for models, Requires LiDAR-enabled iPhone/iPad

**Features:** Family Sharing, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $0.99 | per month |
| Unlimited Yearly | $9.99 | per year |
| Unlimited Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 三联小助手 free?

三联小助手 is free to download, with no in-app purchases.

### Is 3D Object & Room Scanner free?

3D Object & Room Scanner is free to download, with in-app purchases available.

### Do 三联小助手 or 3D Object & Room Scanner have ads?

3D Object & Room Scanner shows ads; 三联小助手 does not.

### Which is updated more often, 三联小助手 or 3D Object & Room Scanner?

三联小助手 ships an update every 5 weeks, and 3D Object & Room Scanner every 2 months. Most recently, 三联小助手 was updated on November 2, 2026 and 3D Object & Room Scanner on November 8, 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.*