SIMREX FLY vs Heygelo Sirius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIMREX FLY
Control your smart drone with this app. It enables real-time image and flight data transmission between your mobile device and the drone. Features include GPS status, coordinate display, battery monitoring, and various flight modes like waypoint planning and follow.
- Real-time image and flight data transmission
- GPS status and coordinate display
- Battery power monitoring with auto-return
- Manual joystick operation
- Waypoint planning, follow, and orbit flight modes
- Camera parameter settings for shooting and recording
- One-key take-off, landing, and return to home
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SIMREX FLY is a control application software for smart drones. Based on WI-FI wireless transmission technology, it realizes real-time transmission of images and flight data between mobile phones and drones. Features 1. GPS status: Take off safely only after 6N stars 2. Latitude and longitude: Real-time display of aircraft coordinates 3. Battery power: Real-time display of the aircraft power percentage, low power automatically return to home 4. Shortcut keys for manual joystick operation: Click the button to unlock the aircraft joystick, which can replace the remote control joystick to operate the aircraft 5. Settings: There are operating joysticks (game mode setting, accelerometer calibration, geomagnetic calibration and beginner mode selection), map, and others (real-time preview pixel selection, device information, data center) 6. Flight mode: Turn on flight mode to choose waypoint planning, follow, point of interest orbit, and exit 7. Map: Click on the map to display the map in full screen, click again to switch to the scene shot by the aircraft 8. One key return to home: Click this function button to automatically return to home and land at short distances 9. One key take-off and landing: Click this function button to conduct take-off and landing 10. High and low speed display: Display the current speed of the aircraft 11. One-key unlock: Click this button to start the aircraft's brushless motor and prepare for take-off 12. Camera parameter setting: you can set the camera for single shooting, continuous shooting, and delayed shooting 13. Shooting: Click this button to directly shoot your favorite scene 14. Recording: Click this button to realize the scene recording function, click this button again to stop recording and save video automatically. 15. Gallery: Click this button to view the captured pictures, videos, and pictures and videos in the SD card (it need to install the SD card )
Heygelo Sirius
Control a four-axis aircraft remotely using your iPhone. View real-time video from the aircraft's camera and record photos and videos directly to your device.
- Remote aircraft control
- Real-time video streaming
- Photo capture
- Video recording
- WiFi video transmission
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This APP function: 1.Remote control the four axis aircraft( Model airplane) by the IOS machine(iPhone). 2.Display the real-time video which taken by the camera on the aircraft, video data transmitted via WiFi protocol. 3.Take the photo and video record on the mobile phone side.
Screenshots
Verdict
The clearest difference is review sentiment: Heygelo Sirius at 67% against SIMREX FLY's 6%. Heygelo Sirius also leads on rating (3.8 vs 1.8). SIMREX FLY's advantage is update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and in-app purchases 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.
Heygelo Sirius holds the better App Store score, 3.8 against 1.8. Both are backed by a comparable volume of ratings — 40 and 21 respectively. Written reviews point the same way: 6% of SIMREX FLY's written reviews are positive against 67% of Heygelo Sirius's.
SIMREX FLY ships an update fortnightly, Heygelo Sirius every 5 weeks. Both last shipped on November 3, 2026.
| Parameter | SIMREX FLY | Heygelo Sirius |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (40 ratings) | 3.8 (21 ratings) — better |
| Positive reviews | 5.6% of reviews | 66.7% of reviews — better |
| Number of ratings | 40 — better | 21 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 62 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Jiandanzhijie Technology Co., Ltd. | 军年 陈 |
Customer experience
SIMREX FLY
Heygelo Sirius
In-app purchases
SIMREX FLY
No in-app purchases
Heygelo Sirius
No in-app purchases









