# Crazyflie 2 vs Unitree Go

The clearest difference is rating: Unitree Go at 3.4 against Crazyflie 2's 2.7. Unitree Go also leads on update cadence (fortnightly vs every 13 months) and ratings volume (30 vs 6). Crazyflie 2's advantage is iOS requirement (12.0 vs 14.0). 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.

Unitree Go holds the better App Store score, 3.4 against 2.7. That said, the two scores are not equally well evidenced: Unitree Go has 30 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 58% of Unitree Go's.

Crazyflie 2 ships an update every 13 months, Unitree Go fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Crazyflie 2 | Unitree Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (6 ratings)](https://appshunter.io/ios/app/crazyflie-2/id946151480/reviews) | **[3.4 (30 ratings)](https://appshunter.io/ios/app/unitree-go-embodied-ai/id1579283821/reviews)** |
| Number of ratings | 6 | **30** |
| Positive reviews | 50.0% of reviews | **58.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 8 MB | 219 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bitcraze](https://appshunter.io/developer/946151479) | [HangZhou YuShu TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/1503885401) |

## 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


### Unitree Go

[App page](https://appshunter.io/ios/app/unitree-go-embodied-ai/id1579283821)

Control your robot dog with an intuitive app featuring AI interaction, HD video, and intelligent obstacle avoidance. Enjoy precise control, graphical programming, and seamless OTA upgrades for an enhanced user experience.

**Highlights:** AI large language model, OTA upgrades, HD image quality, Intelligent avoidance, Precise control, Graphical programming

**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 Unitree Go free?

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

### Which has better reviews, Crazyflie 2 or Unitree Go?

Unitree Go is rated higher. Crazyflie 2 averages 2.7 out of 5 from 6 ratings, while Unitree Go averages 3.4 from 30 ratings.

### Do Crazyflie 2 or Unitree Go have ads?

Neither Crazyflie 2 nor Unitree Go shows ads.

### Which is updated more often, Crazyflie 2 or Unitree Go?

Crazyflie 2 ships an update every 13 months, and Unitree Go fortnightly. Most recently, Crazyflie 2 was updated on October 24, 2026 and Unitree Go 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.*