Promark GPS vs Deerc GPS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Promark GPS
Control a toy quadrocopter in real-time via Wi-Fi, with live video streaming directly to your device. This application is compatible with a wide range of iOS versions and iPhone models.
- Wi-Fi quadrocopter control
- Real-time video transfer
- Live video streaming
- iOS compatibility
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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.
Deerc GPS
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.
- Wi-Fi drone control
- FPV video and photo display
- GPS positioning flight
- Smart phone following flight
- Live video streaming
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The DE GPS can be control by the wifi, with FPV support, clear photo display, also video FPV. There are interesting function, such as GPS positioning flight, smart phone following flight. It’s a powerful and interesting hobby product.
Screenshots
Verdict
The clearest difference is rating: Deerc GPS at 2.8 against Promark GPS's 2.5. Promark GPS's advantage is update cadence (every 9 days vs every 3 weeks) and review sentiment (16% vs 8%). On price, ads, in-app purchases and monetization model 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.
Deerc GPS holds the better App Store score, 2.8 against 2.5. Both are backed by a comparable volume of ratings — 163 and 41 respectively. Written reviews complicate that: 16% of Promark GPS's written reviews are positive against 8% of Deerc GPS's, so the app with the better star average is not the one people write more warmly about.
Promark GPS ships an update every 9 days, Deerc GPS every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Promark GPS | Deerc GPS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (163 ratings) | 2.8 (41 ratings) — better |
| Positive reviews | 16.4% of reviews — better | 7.7% of reviews |
| Number of ratings | 163 — better | 41 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 99 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangdong Shiji Technology Co.,Ltd. | Xiamen Huoshiquan Import & Export CO., LTD |
Customer experience
Promark GPS
Deerc GPS
Bugs and requests
Promark GPS
Reported bugs
65 issues- Distance reset on its own
- App says drone and controller not connected
- Video and camera buttons don't work
- Video feed keeps freezing
- App doesn't work with iPhone X's max
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- App doesn't connect phone, drone, and remote
- No pictures, no videos, no control from phone/app
- Distance settings infinitely load
- App does not respect device orientation
- Drone can't take off
- Motor protection error message
- Camera doesn't connect after update
- App crashes when trying to use camera controls
- Live video stops working after update
- App freezes up a lot
- Video stream freezes once airborne
- Camera cannot be controlled with the controller
- Feedback freezes constantly
- Storage full error when taking video
- FPV freezes
- Doesn't record to phone
- Coin toss if it saves to MicroSD card
- Can't upload videos to phone
- Can't send videos in text
- Won't let me enter controls part
- Phone will not connect
- Picture/video upside down
- Will not do video mode while in flight on iPhone
- Loses video after taking off
- Video freezes after taking off
- Drone took off uncontrolled and hit a tree
- No live feed while in flight
- Can't open the app, only title page
- Camera feed freezes after telling drone to take off
- Live view/video recording not working
- Can no longer see live view or record video/take pictures
- Video freezes upon take off
- Picture freezes once take off
- Camera stops working after seconds into flight
- Camera freezes
- Live feed to phone cuts out and freezes
- Camera angle button does nothing
- Frozen camera view
- Only able to view video for 4 sec
- No video seen on phone
- GPS issues
- Video freezes after 2 seconds
- Picture freezes, no live streaming
- Cannot take pictures or video
- App won't sync with drone
- Causes flight problems
- Camera feed freezes and won't come back
- Constantly freezing up
- Picture is junk
- Remote constantly beeping
- Camera slowly starts to point directly down
- No control over camera angle
- App will freeze the camera view after a couple seconds
- App still won't stream live feed
- Video feed works for about two seconds then freezes
- Screen freezes right after calibrating
- No picture on phone
- App freezes when using the drone
- Battery indicator sometimes displays half battery
- App is unstable
Requested features
8 requests- New update needed
- Add directional map app
- Add better FPS rate
- Add a map to know drone location
- Add number of satellites connected
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- iPad version would be nice
- Switch distances from metric to English standard system
- Support for iPhone X
Deerc GPS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Promark GPS
No in-app purchases
Deerc GPS
No in-app purchases
