# C vs ZLL

The clearest difference is update cadence: ZLL at every 5 days against C's every 3 weeks. ZLL also leads on iOS requirement (8.0 vs 12.0). 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.

C ships an update every 3 weeks, ZLL every 5 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | C | ZLL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (14 ratings)](https://appshunter.io/ios/app/c-fly2/id1541080284/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 161 MB | 425 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [俊 朱](https://appshunter.io/developer/1280381811) | [元明 苏](https://appshunter.io/developer/1320752705) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-fly2/id1541080284)

This app enables aerial photography and videography with compatible drones. It offers live FPV feeds, camera control, and flight planning features for creative aerial shots. Users can easily share their captured moments and access detailed operational instructions.

**Highlights:** FPV live feed, Adjustable gimbal and camera settings, One-key photo/video sharing, Waypoint and route planning, One-key takeoff/land/return, Flight mode switching, Real-time flight data display

**Features:** macOS Compatibility

**In-app purchases:** none


### ZLL

[App page](https://appshunter.io/ios/app/zll/id1567196250)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C free?

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

### Is ZLL free?

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

### Do C or ZLL have ads?

Neither C nor ZLL shows ads.

### Which is updated more often, C or ZLL?

C ships an update every 3 weeks, and ZLL every 5 days. Most recently, C was updated on October 11, 2026 and ZLL on October 11, 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.*