# BJ vs 4DRC PRO

BJ and 4DRC PRO both sit at 2.8 stars, but that hides the real split: 50% of BJ's written reviews are positive against 24% of 4DRC PRO's. BJ also leads on iOS requirement (12.0 vs 15.6). 4DRC PRO's advantage is ratings volume (195 vs 9). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 2.8 for BJ against 2.7 for 4DRC PRO. That said, the two scores are not equally well evidenced: 4DRC PRO has 195 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 50% of BJ's written reviews are positive against 24% of 4DRC PRO's.

BJ ships an update every 5 weeks, 4DRC PRO every 6 weeks. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BJ | 4DRC PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (9 ratings)](https://appshunter.io/ios/app/bj-gps/id1494086758/reviews)** | [2.7 (195 ratings)](https://appshunter.io/ios/app/4drc-pro/id1510269271/reviews) |
| Number of ratings | 9 | **195** |
| Positive reviews | **50.0% of reviews** | 24.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 167 MB | 156 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [介甲 张](https://appshunter.io/developer/1319188080) | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) |

## What reviewers say

### BJ

[App page](https://appshunter.io/ios/app/bj-gps/id1494086758)

Control your drone and view its camera feed in real-time. Adjust throttle, take photos, and record videos directly from your phone.

**Highlights:** Real-time drone control, Live camera feed display, Photo capture, Video recording, Throttle adjustment

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

**In-app purchases:** none


### 4DRC PRO

[App page](https://appshunter.io/ios/app/4drc-pro/id1510269271)

Control your aircraft remotely via WiFi with real-time image transmission. Capture photos and videos, and operate drone movements with various interactive features.

**Highlights:** Real-time image transmission, Aircraft operation control, Remote photo and video capture, Real-time drone movement control, Interactive gameplay modes

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

**In-app purchases:** none

**What reviewers like**

- 📹 Good camera quality and recording capability
- ✈️ Stable drone flight performance
- 🎮 Works well with remote controller
- 📱 App functions properly on some devices
- ⚡ Fast battery recharge time

**What reviewers complain about**

- 🐛 App frequently crashes and freezes
- 📡 Connection issues between app and drone
- ❌ Calibration buttons unresponsive
- 📱 iOS compatibility problems across multiple iPhone models
- 🎥 Camera feed freezes during flight

**Reported bugs**

- App fails to connect to drone via WiFi
- Horizontal and compass calibration buttons don't work
- Camera freezes at certain altitudes and distances
- App becomes unresponsive after connection
- Video recording doesn't save properly

**Requested features**

- Bottom camera access and switching capability
- Tutorial or guide for app functionality
- VR mode functionality improvements
- Better English language support and instructions
- Clearer setup and pairing instructions


## Frequently asked questions

### Is BJ free?

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

### Is 4DRC PRO free?

4DRC PRO is free to download, with no in-app purchases.

### Which has better reviews, BJ or 4DRC PRO?

BJ is rated higher. BJ averages 2.8 out of 5 from 9 ratings, while 4DRC PRO averages 2.7 from 195 ratings.

### Do BJ or 4DRC PRO have ads?

Neither BJ nor 4DRC PRO shows ads.

### Which is updated more often, BJ or 4DRC PRO?

BJ ships an update every 5 weeks, and 4DRC PRO every 6 weeks. Most recently, BJ was updated on October 2, 2026 and 4DRC PRO 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.*