# RTAB vs IMU Utility

The clearest difference is review sentiment: RTAB at 100% against IMU Utility's 0%. RTAB also leads on rating (4.8 vs 3.0) and ratings volume (42 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RTAB holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: RTAB has 42 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of RTAB's written reviews are positive against 0% of IMU Utility's.

## The numbers

| Metric | RTAB | IMU Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (42 ratings)](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/imu-utility/id6443543479/reviews) |
| Number of ratings | **42** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | Free |
| Size | 20 MB | 10 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Labbe](https://appshunter.io/developer/1564774367) | [Pusik Park](https://appshunter.io/developer/1259054727) |

## 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


### IMU Utility

[App page](https://appshunter.io/ios/app/imu-utility/id6443543479)

This tool displays and transfers measurement data from iPhone's MotionManager and internal IMU sensors. It supports exporting data in CSV, JSON, and Google Protobuf formats, allowing your iPhone to function as an external IMU sensor.

**Highlights:** View MotionManager data, View internal IMU sensor data, Transfer measurement data, Export data as CSV, Export data as JSON, Export data as Google Protobuf

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RTAB free?

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

### Is IMU Utility free?

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

### Which has better reviews, RTAB or IMU Utility?

RTAB is rated higher. RTAB averages 4.8 out of 5 from 42 ratings, while IMU Utility averages 3.0 from 2 ratings.

### Do RTAB or IMU Utility have ads?

Neither RTAB nor IMU Utility 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.*