SJ vs CSJ GPS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SJ
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.
- Wi-Fi quadrocopter control
- Real-time video transfer
- Compatible with multiple iOS versions
- Supports various iPhone models
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A toy quadrocopter control by wifi with video transfer real time. Support iOS 7 ,iOS 8, iOS 9,iOS 10,iPhone 5 ,iPhone 5c,iPhone 5s, iPhone 6, iPhone 6 plus, iPhone 6s, iPhone 6s plus,iPhone 7, iPhone 7 plus.
CSJ GPS
Control your aircraft's flight and view real-time camera feeds on your mobile device. Capture photos and videos, utilize track mode, perform 360° rolls, and experience immersive VR mode.
- Real-time camera feed
- Photo and video recording
- Track mode
- 360° roll over
- VR mode
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App can control any flight of our aircraft, and the camera on the aircraft can transfer the real-time landscape to our mobile phone and show you the feeling of being on scene. This APP function: 1.Take the photo and video record on the mobile phone side. 2.Support track mode 3.Support 360° roll over 4.Support VR mode
Screenshots
Verdict
The clearest difference is rating: SJ at 3.7 against CSJ GPS's 3.5. On price, review sentiment, ratings volume and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 3.5. Both are backed by a comparable volume of ratings — 23 and 14 respectively. Written reviews point the same way: 33% of SJ's written reviews are positive against 27% of CSJ GPS's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | SJ | CSJ GPS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (23 ratings) — better | 3.5 (14 ratings) |
| Positive reviews | 33.3% of reviews — better | 27.3% of reviews |
| Number of ratings | 23 — better | 14 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 242 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangdong Shiji Technology Co.,Ltd. | 泽生 王 |
Customer experience
SJ
CSJ GPS
In-app purchases
SJ
No in-app purchases
CSJ GPS
No in-app purchases
