# CZI Sound vs Drone Go2

The clearest difference is update cadence: Drone Go2 at every 5 weeks against CZI Sound's every 8 months. Drone Go2 also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CZI Sound ships an update every 8 months, Drone Go2 every 5 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CZI Sound | Drone Go2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (28 ratings)](https://appshunter.io/ios/app/drone-go2/id6450330865/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 64 MB | 4 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd.](https://appshunter.io/developer/1675437495) | [HOLY STONE TECHNOLOGY Co.,Ltd.](https://appshunter.io/developer/1471499018) |

## What reviewers say

### CZI Sound

[App page](https://appshunter.io/ios/app/czi-sound/id6446013579)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drone Go2

[App page](https://appshunter.io/ios/app/drone-go2/id6450330865)

This utility app facilitates data management for Holly Stone drone RID devices. It enables automatic Bluetooth scanning, binding of driver IDs, and editing of device information. The modified data is then broadcast alongside the drone's operational details.

**Highlights:** Automatic Bluetooth scanning, Device driver ID binding, Read and write device information, Edit device data, Broadcast device information

**In-app purchases:** none


## Frequently asked questions

### Is CZI Sound free?

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

### Is Drone Go2 free?

Drone Go2 is free to download, with no in-app purchases.

### Do CZI Sound or Drone Go2 have ads?

Neither CZI Sound nor Drone Go2 shows ads.

### Which is updated more often, CZI Sound or Drone Go2?

CZI Sound ships an update every 8 months, and Drone Go2 every 5 weeks. Most recently, CZI Sound was updated on October 5, 2026 and Drone Go2 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.*