# Crazyflie 2 vs RTAB

The clearest difference is review sentiment: RTAB at 100% against Crazyflie 2's 50%. RTAB also leads on rating (4.8 vs 2.7) and update cadence (every 5 months vs every 13 months). Crazyflie 2's advantage is iOS requirement (12.0 vs 15.6). 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 2.7. That said, the two scores are not equally well evidenced: RTAB has 42 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Crazyflie 2's written reviews are positive against 100% of RTAB's.

Crazyflie 2 ships an update every 13 months, RTAB every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Crazyflie 2 | RTAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (6 ratings)](https://appshunter.io/ios/app/crazyflie-2/id946151480/reviews) | **[4.8 (42 ratings)](https://appshunter.io/ios/app/rtab-map-3d-lidar-scanner/id1564774365/reviews)** |
| Number of ratings | 6 | **42** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 8 MB | 20 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bitcraze](https://appshunter.io/developer/946151479) | [Mathieu Labbe](https://appshunter.io/developer/1564774367) |

## What reviewers say

### Crazyflie 2

[App page](https://appshunter.io/ios/app/crazyflie-2/id946151480)

Control a palm-sized, open-source quadcopter directly from your iOS device. Utilize on-screen joysticks or phone tilting for flight. Customize control sensitivity and modes, and update the drone's firmware.

**Highlights:** Bluetooth low energy connectivity, On-screen joystick controls, Phone tilting flight control, Configurable control sensitivity, Configurable control modes, Firmware updates

**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 Crazyflie 2 free?

Crazyflie 2 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, Crazyflie 2 or RTAB?

RTAB is rated higher. Crazyflie 2 averages 2.7 out of 5 from 6 ratings, while RTAB averages 4.8 from 42 ratings.

### Do Crazyflie 2 or RTAB have ads?

Neither Crazyflie 2 nor RTAB shows ads.

### Which is updated more often, Crazyflie 2 or RTAB?

Crazyflie 2 ships an update every 13 months, and RTAB every 5 months. Most recently, Crazyflie 2 was updated on November 1, 2026 and RTAB on November 3, 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.*