# SDFly 2 vs Fly Go 4

The clearest difference is rating: Fly Go 4 at 4.1 against SDFly 2's 2.3. Fly Go 4 also leads on review sentiment (36% vs 0%) and ratings volume (100 vs 3). SDFly 2's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Fly Go 4 sells 8 in-app purchases, starting at $7.99 per 7 days. SDFly 2 asks for nothing beyond the download.

Fly Go 4 holds the better App Store score, 4.1 against 2.3. That said, the two scores are not equally well evidenced: Fly Go 4 has 100 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of SDFly 2's written reviews are positive against 36% of Fly Go 4's.

SDFly 2 ships an update every 5 weeks, Fly Go 4 every 4 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SDFly 2 | Fly Go 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/sdfly-2/id1637217896/reviews) | **[4.1 (100 ratings)](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052/reviews)** |
| Number of ratings | 3 | **100** |
| Positive reviews | 0.0% of reviews | **35.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 192 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen SwellPro Technology Co.,LTD](https://appshunter.io/developer/1113943094) | [COOLDEV CO., LTD](https://appshunter.io/developer/1629570682) |

## What reviewers say

### 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


### Fly Go 4

[App page](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052)

Control your drone with advanced flight features and real-time HD video transmission. Explore intelligent flight modes for professional-quality footage and track flight data. Compatible with a wide range of drone models.

**Highlights:** Advanced flight controls, Real-time HD video transmission, Smart flight modes (ActiveTrack, QuickShot), Intuitive user interface, Comprehensive flight data logging, Wide drone model compatibility

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Standard | $7.99 | per 7 days |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly One-time Discount | $45.49 | per year |
| Lifetime One-time Discount | $49.99 | one-time |
| Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is SDFly 2 free?

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

### Is Fly Go 4 free?

Fly Go 4 is free to download, with in-app purchases available.

### Which has better reviews, SDFly 2 or Fly Go 4?

Fly Go 4 is rated higher. SDFly 2 averages 2.3 out of 5 from 3 ratings, while Fly Go 4 averages 4.1 from 100 ratings.

### Do SDFly 2 or Fly Go 4 have ads?

Fly Go 4 shows ads; SDFly 2 does not.

### Which is updated more often, SDFly 2 or Fly Go 4?

SDFly 2 ships an update every 5 weeks, and Fly Go 4 every 4 weeks. Most recently, SDFly 2 was updated on October 12, 2026 and Fly Go 4 on October 16, 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.*