# Crazyflie 2 vs Bluetooth Serial Connect

Crazyflie 2 and Bluetooth Serial Connect both sit at 3.7 stars, but that hides the real split: 50% of Crazyflie 2's written reviews are positive against 0% of Bluetooth Serial Connect's. Crazyflie 2 also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.2). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.7 for Crazyflie 2 against 3.7 for Bluetooth Serial Connect. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews are what separate them: 50% of Crazyflie 2's written reviews are positive against 0% of Bluetooth Serial Connect's.

Crazyflie 2 ships an update every 13 months, Bluetooth Serial Connect every 10 months. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Crazyflie 2 | Bluetooth Serial Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/crazyflie-2/id946151480/reviews) | [3.7 (7 ratings)](https://appshunter.io/ios/app/bluetooth-serial-connect/id6449396821/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 10 months** |
| Monetization | Free | Free |
| Size | 8 MB | 24 MB |
| Requires iOS | **12.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bitcraze](https://appshunter.io/developer/946151479) | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) |

## 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


### Bluetooth Serial Connect

[App page](https://appshunter.io/ios/app/bluetooth-serial-connect/id6449396821)

Control your Arduino projects with your phone. Design custom interfaces with buttons, joysticks, and displays to send and receive data via Bluetooth low-energy modules. An integrated library simplifies the connection process.

**Highlights:** Customizable control boards, Button and joystick inputs, Display integration, Bluetooth low-energy module support, Arduino library for easy integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Crazyflie 2 free?

Crazyflie 2 is free to download, with no in-app purchases.

### Is Bluetooth Serial Connect free?

Bluetooth Serial Connect is free to download, with no in-app purchases.

### Which has better reviews, Crazyflie 2 or Bluetooth Serial Connect?

Crazyflie 2 and Bluetooth Serial Connect are both rated 3.7 out of 5 on the App Store, from 3 and 7 ratings respectively.

### Do Crazyflie 2 or Bluetooth Serial Connect have ads?

Bluetooth Serial Connect shows ads; Crazyflie 2 does not.

### Which is updated more often, Crazyflie 2 or Bluetooth Serial Connect?

Crazyflie 2 ships an update every 13 months, and Bluetooth Serial Connect every 10 months. Most recently, Crazyflie 2 was updated on October 14, 2026 and Bluetooth Serial Connect on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*