# RTAB vs Precision Transit Level mini

The clearest difference is review sentiment: RTAB at 100% against Precision Transit Level mini's 50%. RTAB also leads on rating (4.8 vs 3.4) and ratings volume (41 vs 5). Precision Transit Level mini's advantage is update cadence (monthly vs every 5 months). 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 3.4. That said, the two scores are not equally well evidenced: RTAB has 41 ratings behind it against 5, 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 50% of Precision Transit Level mini's.

RTAB ships an update every 5 months, Precision Transit Level mini monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RTAB | Precision Transit Level mini |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (41 ratings)](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/precision-transit-level-mini-x/id6449722469/reviews) |
| Number of ratings | **41** | 5 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 20 MB | 10 MB |
| Requires iOS | **15.6** | 16.3 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Labbe](https://appshunter.io/developer/1564774367) | [David King](https://appshunter.io/developer/1481611999) |

## 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


### Precision Transit Level mini

[App page](https://appshunter.io/ios/app/precision-transit-level-mini-x/id6449722469)

This app uses LiDAR and augmented reality to measure distances, slopes, and levels in your environment. Place virtual measuring sticks to calculate rise, run, and deflection for precise construction or landscaping tasks.

**Highlights:** LiDAR and AR measurement, Virtual measuring sticks, Calculate slope, rise, and run, Real-time HUD, Auto Zoom, Step-by-step navigation

**In-app purchases:** none


## Frequently asked questions

### Is RTAB free?

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

### Is Precision Transit Level mini free?

Precision Transit Level mini is free to download, with no in-app purchases.

### Which has better reviews, RTAB or Precision Transit Level mini?

RTAB is rated higher. RTAB averages 4.8 out of 5 from 41 ratings, while Precision Transit Level mini averages 3.4 from 5 ratings.

### Do RTAB or Precision Transit Level mini have ads?

Neither RTAB nor Precision Transit Level mini shows ads.

### Which is updated more often, RTAB or Precision Transit Level mini?

RTAB ships an update every 5 months, and Precision Transit Level mini monthly. Most recently, RTAB was updated on October 27, 2026 and Precision Transit Level mini on October 24, 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.*