# PK01 FLY vs Fly Go 4

The clearest difference is rating: Fly Go 4 at 4.1 against PK01 FLY's 2.9. Fly Go 4 also leads on review sentiment (36% vs 0%) and update cadence (every 4 weeks vs every 14 months). PK01 FLY's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price 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. PK01 FLY asks for nothing beyond the download.

Fly Go 4 holds the better App Store score, 4.1 against 2.9. That said, the two scores are not equally well evidenced: Fly Go 4 has 105 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 0% of PK01 FLY's written reviews are positive against 36% of Fly Go 4's.

PK01 FLY ships an update every 14 months, Fly Go 4 every 4 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | PK01 FLY | Fly Go 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (9 ratings)](https://appshunter.io/ios/app/pk01-fly/id1090318121/reviews) | **[4.1 (105 ratings)](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052/reviews)** |
| Number of ratings | 9 | **105** |
| Positive reviews | 0.0% of reviews | **35.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 123 MB | 192 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Top Sunshine Technology Co.,Ltd.](https://appshunter.io/developer/986221582) | [COOLDEV CO., LTD](https://appshunter.io/developer/1629570682) |

## What reviewers say

### PK01 FLY

[App page](https://appshunter.io/ios/app/pk01-fly/id1090318121)

Control a four-axis aircraft remotely using your iOS device. View real-time video from the aircraft's camera and capture photos and videos directly to your phone.

**Highlights:** Remote control for four-axis aircraft, Real-time video streaming via 2.4G WiFi, Photo and video recording, iOS device compatibility

**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 PK01 FLY free?

PK01 FLY 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, PK01 FLY or Fly Go 4?

Fly Go 4 is rated higher. PK01 FLY averages 2.9 out of 5 from 9 ratings, while Fly Go 4 averages 4.1 from 105 ratings.

### Do PK01 FLY or Fly Go 4 have ads?

Fly Go 4 shows ads; PK01 FLY does not.

### Which is updated more often, PK01 FLY or Fly Go 4?

PK01 FLY ships an update every 14 months, and Fly Go 4 every 4 weeks. Most recently, PK01 FLY was updated on October 24, 2026 and Fly Go 4 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.*