# UDIRC vs Fly Go 4

The clearest difference is rating: Fly Go 4 at 4.1 against UDIRC's 3.0. Fly Go 4 also leads on ratings volume (100 vs 2) and update cadence (every 4 weeks vs every 2 months). UDIRC'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. UDIRC asks for nothing beyond the download.

Fly Go 4 holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Fly Go 4 has 100 ratings behind it against 2, so its average is the more settled of the two.

UDIRC ships an update every 2 months, Fly Go 4 every 4 weeks. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | UDIRC | Fly Go 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/udirc-x/id1612019031/reviews) | **[4.1 (100 ratings)](https://appshunter.io/ios/app/fly-go-4-drone-mobile-camera/id6470186052/reviews)** |
| Number of ratings | 2 | **100** |
| Positive reviews | — | 35.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 154 MB | 192 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [UDIRC TOYS INDUSTRY CO., LTD](https://appshunter.io/developer/1077607873) | [COOLDEV CO., LTD](https://appshunter.io/developer/1629570682) |

## What reviewers say

### UDIRC

[App page](https://appshunter.io/ios/app/udirc-x/id1612019031)

Control your UAV with this intuitive aircraft remote control software. Capture high-definition photos and videos, manage your media, and enjoy simple one-click take-off and landing.

**Highlights:** Real-time image transmission, Detailed parameter display, One-click take-off and landing, Media management system, High-definition photography/video

**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 UDIRC free?

UDIRC 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, UDIRC or Fly Go 4?

Fly Go 4 is rated higher. UDIRC averages 3.0 out of 5 from 2 ratings, while Fly Go 4 averages 4.1 from 100 ratings.

### Do UDIRC or Fly Go 4 have ads?

Fly Go 4 shows ads; UDIRC does not.

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

UDIRC ships an update every 2 months, and Fly Go 4 every 4 weeks. Most recently, UDIRC was updated on September 9, 2026 and Fly Go 4 on September 21, 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.*