# SJ RC vs Promark VR

The clearest difference is rating: SJ RC at 3.4 against Promark VR's 3.1. Promark VR's advantage is ratings volume (55 vs 7). On price, update cadence, 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 RC holds the better App Store score, 3.4 against 3.1. That said, the two scores are not equally well evidenced: Promark VR has 55 ratings behind it against 7, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | SJ RC | Promark VR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/sj-rc/id1116480735/reviews)** | [3.1 (55 ratings)](https://appshunter.io/ios/app/promark-vr/id1131572874/reviews) |
| Number of ratings | 7 | **55** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 50 MB | 32 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) |

## What reviewers say

### SJ RC

[App page](https://appshunter.io/ios/app/sj-rc/id1116480735)

Control a toy quadrocopter using Wi-Fi and receive real-time video feedback. This application allows for direct manipulation of drone functions.

**Highlights:** Quadrocopter control via Wi-Fi, Real-time video transfer, Drone operation, Live video feed

**Features:** macOS Compatibility

**In-app purchases:** none


### Promark VR

[App page](https://appshunter.io/ios/app/promark-vr/id1131572874)

Control a toy quadrocopter via Wi-Fi with real-time video streaming. This application enables seamless piloting and visual feedback from your drone.

**Highlights:** Wi-Fi quadrocopter control, Real-time video transfer, Drone piloting, Live video feed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SJ RC free?

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

### Is Promark VR free?

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

### Which has better reviews, SJ RC or Promark VR?

SJ RC is rated higher. SJ RC averages 3.4 out of 5 from 7 ratings, while Promark VR averages 3.1 from 55 ratings.

### Do SJ RC or Promark VR have ads?

Neither SJ RC nor Promark VR shows ads.

### Which is updated more often, SJ RC or Promark VR?

SJ RC ships an update monthly, and Promark VR monthly. Most recently, SJ RC was updated on October 24, 2026 and Promark VR 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.*