# SJ vs HSS2 FPV

SJ and HSS2 FPV both sit at 3.7 stars, but that hides the real split: 54% of HSS2 FPV's written reviews are positive against 33% of SJ's. HSS2 FPV also leads on ratings volume (157 vs 23). SJ's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, 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.

On the App Store both sit at effectively the same score — 3.7 for SJ against 3.9 for HSS2 FPV. That said, the two scores are not equally well evidenced: HSS2 FPV has 157 ratings behind it against 23, so its average is the more settled of the two. Written reviews are what separate them: 33% of SJ's written reviews are positive against 54% of HSS2 FPV's.

SJ ships an update every 3 weeks, HSS2 FPV every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SJ | HSS2 FPV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (23 ratings)](https://appshunter.io/ios/app/sj-gps/id1238596836/reviews) | **[3.9 (157 ratings)](https://appshunter.io/ios/app/hss2-fpv/id1267249506/reviews)** |
| Number of ratings | 23 | **157** |
| Positive reviews | 33.3% of reviews | **54.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 242 MB | 71 MB |
| Requires iOS | 11.0 | **10.0** |
| 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


### HSS2 FPV

[App page](https://appshunter.io/ios/app/hss2-fpv/id1267249506)

Control a toy quadrocopter using your device over Wi-Fi. Stream real-time video directly from the drone for an immersive flying experience.

**Highlights:** Wi-Fi quadrocopter control, Real-time video transfer, Drone piloting, FPV experience

**In-app purchases:** none

**What reviewers like**

- 👍 Drone is fun to fly
- 👍 Camera quality is good
- 👍 Easy to use for beginners
- 👍 Responsive drone controls
- 👍 App organizes photos/videos

**What reviewers complain about**

- 🐛 App connection issues
- 🐛 Incompatible with iPhones
- 🐛 App requires location services
- 🐛 Confusing app interface
- 🐛 Drone shuts off mid-air

**Reported bugs**

- App not connecting to drone
- App not connecting via Wi-Fi
- App only working for Android
- App bug with location services
- App not connecting with iPhones

**Requested features**

- Add screen rotation option
- Link to website for button explanations
- Add percentage to charging bar
- More support and instructions for icons
- Explain how to do flips with app controller


## Frequently asked questions

### Is SJ free?

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

### Is HSS2 FPV free?

HSS2 FPV is free to download, with no in-app purchases.

### Which has better reviews, SJ or HSS2 FPV?

HSS2 FPV is rated higher. SJ averages 3.7 out of 5 from 23 ratings, while HSS2 FPV averages 3.9 from 157 ratings.

### Do SJ or HSS2 FPV have ads?

Neither SJ nor HSS2 FPV shows ads.

### Which is updated more often, SJ or HSS2 FPV?

SJ ships an update every 3 weeks, and HSS2 FPV every 2 months. Most recently, SJ was updated on November 2, 2026 and HSS2 FPV on November 3, 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.*