# Quantum Summer vs RTAB

The clearest difference is review sentiment: RTAB at 100% against Quantum Summer's 0%. Quantum Summer's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (11.0 vs 14.3). 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.

Quantum Summer ships an update every 3 weeks, RTAB every 4 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Quantum Summer | RTAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (39 ratings)](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365/reviews)** |
| Number of ratings | — | **39** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 106 MB | 19 MB |
| Requires iOS | **11.0** | 14.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arekool Inc](https://appshunter.io/developer/1435128055) | [Mathieu Labbe](https://appshunter.io/developer/1564774367) |

## What reviewers say

### Quantum Summer

[App page](https://appshunter.io/ios/app/quantum-summer/id1549634504)

Capture, edit, and share 3D spaces using your device's LiDAR camera. Measure, annotate, and extract objects to design and preview in AR. Share your creations with friends and colleagues via email, SMS, or web links.

**Highlights:** Scan and capture large spaces, Measure and annotate dimensions, Extract and edit objects, Place objects in AR View, Store and share 3D spaces/objects

**Features:** macOS Compatibility

**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 Quantum Summer free?

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

### Is RTAB free?

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

### Do Quantum Summer or RTAB have ads?

Neither Quantum Summer nor RTAB shows ads.

### Which is updated more often, Quantum Summer or RTAB?

Quantum Summer ships an update every 3 weeks, and RTAB every 4 months. Most recently, Quantum Summer was updated on September 17, 2026 and RTAB on September 23, 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.*