# Promark VR vs Deerc GPS

The clearest difference is rating: Promark VR at 3.1 against Deerc GPS's 2.8. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Promark VR holds the better App Store score, 3.1 against 2.8. Both are backed by a comparable volume of ratings — 55 and 39 respectively. Written reviews point the same way: 14% of Promark VR's written reviews are positive against 8% of Deerc GPS's.

Promark VR ships an update monthly, Deerc GPS every 3 weeks. The most recent releases landed on June 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Promark VR | Deerc GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (55 ratings)](https://appshunter.io/ios/app/promark-vr/id1131572874/reviews)** | [2.8 (39 ratings)](https://appshunter.io/ios/app/deerc-gps/id1515701188/reviews) |
| Number of ratings | **55** | 39 |
| Positive reviews | **14.3% of reviews** | 7.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 32 MB | 112 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShanTou City Vison Electronictechnology Co., Ltd.](https://appshunter.io/developer/1388222999) | [Xiamen Huoshiquan Import & Export CO., LTD](https://appshunter.io/developer/1564396770) |

## What reviewers say

### 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


### Deerc GPS

[App page](https://appshunter.io/ios/app/deerc-gps/id1515701188)

Control a drone via Wi-Fi with live video and photo feeds. Features include GPS positioning for stable flight and smart follow-me capabilities, making it an engaging hobby product.

**Highlights:** Wi-Fi drone control, FPV video and photo display, GPS positioning flight, Smart phone following flight, Live video streaming

**In-app purchases:** none


## Frequently asked questions

### Is Promark VR free?

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

### Is Deerc GPS free?

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

### Which has better reviews, Promark VR or Deerc GPS?

Promark VR is rated higher. Promark VR averages 3.1 out of 5 from 55 ratings, while Deerc GPS averages 2.8 from 39 ratings.

### Do Promark VR or Deerc GPS have ads?

Neither Promark VR nor Deerc GPS shows ads.

### Which is updated more often, Promark VR or Deerc GPS?

Promark VR ships an update monthly, and Deerc GPS every 3 weeks. Most recently, Promark VR was updated on June 11, 2026 and Deerc GPS on September 10, 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.*