# RTAB vs OSS Document Scanner

The clearest difference is review sentiment: RTAB at 100% against OSS Document Scanner's 57%. RTAB also leads on in-app purchases (none vs 5) and rating (4.8 vs 4.5). OSS Document Scanner's advantage is update cadence (fortnightly vs every 4 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. OSS Document Scanner sells 5 one-off in-app purchases. RTAB asks for nothing beyond the download.

RTAB holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 39 and 8 respectively. Written reviews point the same way: 100% of RTAB's written reviews are positive against 57% of OSS Document Scanner's.

RTAB ships an update every 4 months, OSS Document Scanner fortnightly. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | RTAB | OSS Document Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (39 ratings)](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/oss-document-scanner/id6472918564/reviews) |
| Number of ratings | **39** | 8 |
| Positive reviews | **100.0% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 19 MB | 78 MB |
| Requires iOS | 14.3 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Labbe](https://appshunter.io/developer/1564774367) | [Akylas](https://appshunter.io/developer/895717279) |

## What reviewers say

### RTAB

[App page](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365)

This utility app enables real-time 3D scanning and mapping of environments using LiDAR or RGB-D sensors. It features online loop closure detection and map optimization for immediate feedback, with export options for various 3D formats.

**Highlights:** Online 3D scanning and mapping, Loop closure detection and map correction, Save maps in DB format, Export in PLY, LAS, or OBJ, Multi-session mapping, AR/VR visualization mode

**In-app purchases:** none


### OSS Document Scanner

[App page](https://appshunter.io/ios/app/oss-document-scanner/id6472918564)

Transform your mobile device into a powerful document scanner. Easily scan, enhance, organize, and export documents as PDFs or images. Features offline OCR and secure password protection for your files.

**Highlights:** Fast camera scanning with automatic edge detection, Bulk scanning and import from images/PDFs, Enhance PDF quality with filters and editing tools, Organize documents with colored folders and sorting, Export to PDF, JPEG, or PNG, Offline OCR for searchable PDFs, Password protection for generated PDFs

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| a coffee | $0.99 | one-time |
| a big coffee | $1.99 | one-time |
| a beer | $3.99 | one-time |
| a pint | $8.99 | one-time |
| a very nice donation | $17.99 | one-time |


## Frequently asked questions

### Is RTAB free?

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

### Is OSS Document Scanner free?

OSS Document Scanner is free to download, with in-app purchases available.

### Which has better reviews, RTAB or OSS Document Scanner?

RTAB is rated higher. RTAB averages 4.8 out of 5 from 39 ratings, while OSS Document Scanner averages 4.5 from 8 ratings.

### Do RTAB or OSS Document Scanner have ads?

Neither RTAB nor OSS Document Scanner shows ads.

### Which is updated more often, RTAB or OSS Document Scanner?

RTAB ships an update every 4 months, and OSS Document Scanner fortnightly. Most recently, RTAB was updated on September 23, 2026 and OSS Document Scanner on September 7, 2026.

---

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