# SJ vs 4DRC GO

The clearest difference is rating: SJ at 3.7 against 4DRC GO's 2.3. SJ also leads on review sentiment (33% vs 0%). On price, ratings volume, 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.

SJ holds the better App Store score, 3.7 against 2.3. Both are backed by a comparable volume of ratings — 23 and 12 respectively. Written reviews point the same way: 33% of SJ's written reviews are positive against 0% of 4DRC GO's.

SJ ships an update every 3 weeks, 4DRC GO every 5 weeks. The most recent releases landed on June 1, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | SJ | 4DRC GO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (23 ratings)](https://appshunter.io/ios/app/sj-gps/id1238596836/reviews)** | [2.3 (12 ratings)](https://appshunter.io/ios/app/4drc-go/id1546589929/reviews) |
| Number of ratings | **23** | 12 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 242 MB | 141 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) | [荣军 杨](https://appshunter.io/developer/1494250848) |

## What reviewers say

### SJ

[App page](https://appshunter.io/ios/app/sj-gps/id1238596836)

Control a toy quadrocopter using Wi-Fi and receive real-time video feedback. This application is compatible with a range of iOS devices and versions.

**Highlights:** Wi-Fi quadrocopter control, Real-time video transfer, Compatible with multiple iOS versions, Supports various iPhone models

**Features:** macOS Compatibility

**In-app purchases:** none


### 4DRC GO

[App page](https://appshunter.io/ios/app/4drc-go/id1546589929)

Control a 2.4G Wi-Fi linked aircraft with your device. Capture remote photos and videos, and explore enhanced user experiences. Offers a variety of gameplay options for users.

**Highlights:** Wi-Fi linked aircraft control, Remote photo capture, Remote video recording, Enhanced user experience features, Multiple gameplay modes

**In-app purchases:** none


## Frequently asked questions

### Is SJ free?

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

### Is 4DRC GO free?

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

### Which has better reviews, SJ or 4DRC GO?

SJ is rated higher. SJ averages 3.7 out of 5 from 23 ratings, while 4DRC GO averages 2.3 from 12 ratings.

### Do SJ or 4DRC GO have ads?

Neither SJ nor 4DRC GO shows ads.

### Which is updated more often, SJ or 4DRC GO?

SJ ships an update every 3 weeks, and 4DRC GO every 5 weeks. Most recently, SJ was updated on June 1, 2026 and 4DRC GO on August 17, 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.*