# SJ vs HS GPS PRO

The clearest difference is rating: SJ at 3.7 against HS GPS PRO's 3.2. SJ also leads on update cadence (every 3 weeks vs every 6 weeks). HS GPS PRO's advantage is ratings volume (101 vs 23). On price, review sentiment, ads and in-app purchases 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 101 respectively. Written reviews split almost evenly too, at 33% and 33% positive.

SJ ships an update every 3 weeks, HS GPS PRO every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SJ | HS GPS PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (23 ratings)](https://appshunter.io/ios/app/sj-gps/id1238596836/reviews)** | [3.2 (101 ratings)](https://appshunter.io/ios/app/hs-gps-pro/id1277099249/reviews) |
| Number of ratings | 23 | **101** |
| Positive reviews | 33.3% of reviews | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 242 MB | 181 MB |
| Requires iOS | **11.0** | 12 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) | [HOLY STONE TECHNOLOGY Co.,Ltd.](https://appshunter.io/developer/1471499018) |

## 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


### HS GPS PRO

[App page](https://appshunter.io/ios/app/hs-gps-pro/id1277099249)

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

**Highlights:** Wi-Fi quadrocopter control, Real-time video transfer, Compatible with iOS 7-10, Supports iPhone 5 and newer models

**In-app purchases:** none


## Frequently asked questions

### Is SJ free?

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

### Is HS GPS PRO free?

HS GPS PRO is free to download, with no in-app purchases.

### Which has better reviews, SJ or HS GPS PRO?

SJ is rated higher. SJ averages 3.7 out of 5 from 23 ratings, while HS GPS PRO averages 3.2 from 101 ratings.

### Do SJ or HS GPS PRO have ads?

Neither SJ nor HS GPS PRO shows ads.

### Which is updated more often, SJ or HS GPS PRO?

SJ ships an update every 3 weeks, and HS GPS PRO every 6 weeks. Most recently, SJ was updated on November 2, 2026 and HS GPS PRO on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*