# SJ vs Ruko Pro

The clearest difference is rating: SJ at 3.7 against Ruko Pro's 3.2. SJ also leads on review sentiment (33% vs 22%) and iOS requirement (11.0 vs 13.0). 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 3.2. Both are backed by a comparable volume of ratings — 23 and 63 respectively. Written reviews point the same way: 33% of SJ's written reviews are positive against 22% of Ruko Pro's.

SJ ships an update every 3 weeks, Ruko Pro every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | SJ | Ruko Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (23 ratings)](https://appshunter.io/ios/app/sj-gps/id1238596836/reviews)** | [3.2 (63 ratings)](https://appshunter.io/ios/app/ruko-pro/id1564920940/reviews) |
| Number of ratings | 23 | **63** |
| Positive reviews | **33.3% of reviews** | 21.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 242 MB | 357 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) | [Shenzhen Ruike Innovation Technology](https://appshunter.io/developer/1528821631) |

## 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


### Ruko Pro

[App page](https://appshunter.io/ios/app/ruko-pro/id1564920940)

Connect your drone via Wi-Fi to view its live camera feed on your mobile device. Remotely control your drone's flight and capture aerial footage.

**Highlights:** Real-time drone video streaming, Remote drone control, Wi-Fi connectivity, Aerial image display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SJ free?

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

### Is Ruko Pro free?

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

### Which has better reviews, SJ or Ruko Pro?

SJ is rated higher. SJ averages 3.7 out of 5 from 23 ratings, while Ruko Pro averages 3.2 from 63 ratings.

### Do SJ or Ruko Pro have ads?

Neither SJ nor Ruko Pro shows ads.

### Which is updated more often, SJ or Ruko Pro?

SJ ships an update every 3 weeks, and Ruko Pro every 5 weeks. Most recently, SJ was updated on October 24, 2026 and Ruko Pro 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.*