# CK GO vs SDFly 2

The clearest difference is update cadence: SDFly 2 at every 5 weeks against CK GO's every 6 months. 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.

CK GO ships an update every 6 months, SDFly 2 every 5 weeks. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CK GO | SDFly 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/sdfly-2/id1637217896/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 55 MB | 56 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [泽 刘](https://appshunter.io/developer/1234523297) | [Shenzhen SwellPro Technology Co.,LTD](https://appshunter.io/developer/1113943094) |

## What reviewers say

### CK GO

[App page](https://appshunter.io/ios/app/ck-go/id1600643335)

**Features:** macOS Compatibility

**In-app purchases:** none


### SDFly 2

[App page](https://appshunter.io/ios/app/sdfly-2/id1637217896)

This is a beta application for a specific drone accessory, requiring a firmware update and not yet fully functional. Users are advised to use the regular app unless they intend to use the MP1 Megaphone. Image display is not supported in this version.

**Highlights:** MP1 Megaphone compatibility, Beta version for testing, Requires specific firmware update, Drone control functionality (limited), Access via support website for setup

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CK GO free?

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

### Is SDFly 2 free?

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

### Do CK GO or SDFly 2 have ads?

Neither CK GO nor SDFly 2 shows ads.

### Which is updated more often, CK GO or SDFly 2?

CK GO ships an update every 6 months, and SDFly 2 every 5 weeks. Most recently, CK GO was updated on September 25, 2026 and SDFly 2 on October 2, 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.*