CZI Sound vs JC Fly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CZI Sound
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CZI Sound processes the audio source files (TTS, recordings, mixed audio) with a loudness-enhancing algorithm and then uploads them to the shoutbox via Bluetooth. It can also push the latest broadcast content of firmware and industry applications, ground proximity control of the shoutbox to play songs, etc.
JC Fly
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这是一款通过手机app即可操控的四轴无人机,使用手机app更加灵活便捷操控。
Screenshots
Verdict
The clearest difference is iOS requirement: JC Fly at 9.0 against CZI Sound's 13.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CZI Sound | JC Fly |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd. | SHENZHEN TOUCHSTONE TECHNOLOGY CO.,LTD |
In-app purchases
CZI Sound
No in-app purchases
JC Fly
No in-app purchases









