# Memo 3D Scanner vs OnsiteBIM

The clearest difference is in-app purchases: OnsiteBIM at none against Memo 3D Scanner's 1. OnsiteBIM also leads on iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Memo 3D Scanner sells 1 one-off in-app purchase. OnsiteBIM asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Memo 3D Scanner | OnsiteBIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memo-3d-scanner/id6791409163/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 22 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [耿芳 王](https://appshunter.io/developer/6791396571) | [Mihir Patel](https://appshunter.io/developer/6795016682) |

## What reviewers say

### Memo 3D Scanner

[App page](https://appshunter.io/ios/app/memo-3d-scanner/id6791409163)

Capture 3D scenes with high accuracy and train them on your device. This app refines camera tracking and uses depth estimation for faster, stable 3DGS training. Your data stays private, processed entirely on your iPhone.

**Highlights:** High-accuracy COLMAP-compatible capture data export, Refined ARKit camera pose tracking, Diffusion-based depth estimation, On-device 3D Gaussian Splatting training, Export camera-path videos and scene files, Privacy-focused, no cloud processing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo PRO | $34.99 | one-time |


### OnsiteBIM

[App page](https://appshunter.io/ios/app/onsitebim/id6795016680)

**In-app purchases:** none


## Frequently asked questions

### Is Memo 3D Scanner free?

Memo 3D Scanner is free to download, with in-app purchases available.

### Is OnsiteBIM free?

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

### Do Memo 3D Scanner or OnsiteBIM have ads?

Neither Memo 3D Scanner nor OnsiteBIM shows ads.

### Which is updated more often, Memo 3D Scanner or OnsiteBIM?

Memo 3D Scanner ships an update weekly, and OnsiteBIM weekly. Most recently, Memo 3D Scanner was updated on October 9, 2026 and OnsiteBIM on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*