# CavernSeer vs RTAB

The clearest difference is rating: CavernSeer at 5.0 against RTAB's 4.8. RTAB's advantage is ratings volume (39 vs 3). On price, review sentiment, update cadence and ads there is nothing between them.

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

CavernSeer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: RTAB has 39 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

CavernSeer ships an update every 3 months, RTAB every 4 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CavernSeer | RTAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cavernseer/id1562503316/reviews)** | [4.8 (39 ratings)](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365/reviews) |
| Number of ratings | 3 | **39** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 10 MB | 19 MB |
| Requires iOS | **14.0** | 14.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Grush](https://appshunter.io/developer/1562503318) | [Mathieu Labbe](https://appshunter.io/developer/1564774367) |

## What reviewers say

### CavernSeer

[App page](https://appshunter.io/ios/app/cavernseer/id1562503316)

This app uses LiDAR scanners to create detailed 3D models of real-world spaces like caves and shelters. It offers various viewing modes, including 3D, top-down, and side-view projections, with export options for generated meshes.

**Highlights:** LiDAR-powered 3D mesh generation, Multiple viewing modes (3D, plan, elevation), Export scan files (.OBJ), High-resolution screenshot capture, Unit conversion (meters/feet), Debugging overlays

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CavernSeer free?

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

### Is RTAB free?

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

### Which has better reviews, CavernSeer or RTAB?

CavernSeer is rated higher. CavernSeer averages 5.0 out of 5 from 3 ratings, while RTAB averages 4.8 from 39 ratings.

### Do CavernSeer or RTAB have ads?

Neither CavernSeer nor RTAB shows ads.

### Which is updated more often, CavernSeer or RTAB?

CavernSeer ships an update every 3 months, and RTAB every 4 months. Most recently, CavernSeer was updated on October 11, 2026 and RTAB on October 9, 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.*