Promark VR vs SJ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Promark VR
Control a toy quadrocopter via Wi-Fi with real-time video streaming. This application enables seamless piloting and visual feedback from your drone.
- Wi-Fi quadrocopter control
- Real-time video transfer
- Drone piloting
- Live video feed
Read full descriptionHide full description
A toy quadrocopter control by wifi with video transfer real time. Support iOS 7 ,iOS 8, iOS 9,iPhone 5 ,iPhone 5c,iPhone 5s, iPhone 6, iPhone 6 plus, iPhone 6s, iPhone 6s plus
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
Read full descriptionHide full description
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.
Screenshots
Verdict
The clearest difference is rating: SJ at 3.7 against Promark VR's 3.1. SJ also leads on review sentiment (33% vs 14%). On price, ratings volume, update cadence and ads 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 3.1. Both are backed by a comparable volume of ratings — 55 and 23 respectively. Written reviews point the same way: 14% of Promark VR's written reviews are positive against 33% of SJ's.
Promark VR ships an update monthly, SJ every 3 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | Promark VR | SJ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (55 ratings) | 3.7 (23 ratings) — better |
| Positive reviews | 14.3% of reviews | 33.3% of reviews — better |
| Number of ratings | 55 — better | 23 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 242 MB |
| Age rating | 4+ | 4+ |
| Developer | ShanTou City Vison Electronictechnology Co., Ltd. | Guangdong Shiji Technology Co.,Ltd. |
Customer experience
Promark VR
SJ
In-app purchases
Promark VR
No in-app purchases
SJ
No in-app purchases
