# Fly Go 4 vs KAI FPV

The clearest difference is rating: Fly Go 4 at 4.1 against KAI FPV's 2.1. Fly Go 4 also leads on review sentiment (36% vs 0%) and update cadence (every 4 weeks vs every 5 months). KAI FPV'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. KAI FPV asks for nothing beyond the download.

Fly Go 4 holds the better App Store score, 4.1 against 2.1. That said, the two scores are not equally well evidenced: Fly Go 4 has 105 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 36% of Fly Go 4's written reviews are positive against 0% of KAI FPV's.

Fly Go 4 ships an update every 4 weeks, KAI FPV every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Fly Go 4 | KAI FPV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (105 ratings)](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052/reviews)** | [2.1 (10 ratings)](https://appshunter.io/ios/app/kai-fpv/id6504376080/reviews) |
| Number of ratings | **105** | 10 |
| Positive reviews | **35.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 192 MB | 91 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COOLDEV CO., LTD](https://appshunter.io/developer/1629570682) | [荣军 杨](https://appshunter.io/developer/1494250848) |

## What reviewers say

### 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 |


### KAI FPV

[App page](https://appshunter.io/ios/app/kai-fpv/id6504376080)

Control your drone with real-time video feedback, capture high-definition photos and videos, and utilize various control modes. This app offers stable and fast performance for drone operation, supporting different drone configurations.

**Highlights:** Real-time drone display and control, High-definition photography, HD video recording, Supports drones with/without lower camera, Remote control functionality, Horizontal/vertical lens support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fly Go 4 free?

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

### Is KAI FPV free?

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

### Which has better reviews, Fly Go 4 or KAI FPV?

Fly Go 4 is rated higher. Fly Go 4 averages 4.1 out of 5 from 105 ratings, while KAI FPV averages 2.1 from 10 ratings.

### Do Fly Go 4 or KAI FPV have ads?

Fly Go 4 shows ads; KAI FPV does not.

### Which is updated more often, Fly Go 4 or KAI FPV?

Fly Go 4 ships an update every 4 weeks, and KAI FPV every 5 months. Most recently, Fly Go 4 was updated on October 24, 2026 and KAI FPV 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.*