ESP vs KY UFO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ESP
This application provides real-time flight control for an open-source drone solution. Users can monitor flight status, adjust parameters, and pilot the drone using a virtual joystick. It's designed to work with drones based on the ESP32-S2/ESP32 Wi-Fi chip.
- Real-time flight status display
- Virtual joystick control
- Flight parameter adjustment
- Supports multiple flight modes
- Wi-Fi and UDP communication
- Open-source solution
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ESP-Drone APP is a flightcontrol tool developed by espressif to control ESP-Drone, which supports flight status display, real-time control, parameter adjustment and so on. ESP-Drone is an open source drone solution based on espressif ESP32-S2 / ESP32 Wi-Fi chip, which supports multiple flight modes, stabilize, height-hold, position-hold and more. ESP-Drone APP communicates with ESP-Drone through Wi-Fi network and UDP protocol, which supports transmit and handle flight protocol packets in realtime. The following functions have been supported: 1. control multi-dof flight using virtual joystick 2. adjust flight parameter using setting panel For more details, please see https://github.com/espressif/esp-drone The source code for the ESP-Drone APP can be found https://github.com/EspressifApps/ESP-Drone-iOS. It might be helpful in development of your own ESP-Drone applications.
KY UFO
Control toy unmanned aerial vehicles and view captured images. Offers a variety of innovative gameplay modes for enhanced user experience.
- Toy UAV control
- Picture display
- Multiple gameplay modes
- Innovative play options
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This software provides toy UAV control and picture display functions, and innovatively provides a variety of ways to play.
Screenshots
Verdict
The clearest difference is rating: ESP at 5.0 against KY UFO's 2.6. ESP also leads on update cadence (every 9 days vs monthly) and iOS requirement (10.0 vs 12.0). KY UFO's advantage is ratings volume (217 vs 1). 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.
ESP holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: KY UFO has 217 ratings behind it against 1, so its average is the more settled of the two.
ESP ships an update every 9 days, KY UFO monthly. Both last shipped on November 3, 2026.
| Parameter | ESP | KY UFO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.6 (217 ratings) |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | 1 | 217 — better |
| Update frequency | Every 9 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 14 MB | 133 MB |
| Age rating | 4+ | 4+ |
| Developer | ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. | shenzhen cooingdv technology co.,ltd. |
Customer experience
ESP
KY UFO
Bugs and requests
ESP
Not enough reviews yet to summarise bugs or requests.
KY UFO
Reported bugs
3 issues- App doesn't connect to phone
- Drone flies away uncontrollably
- Buttons and controls don't work
Requested features
3 requests- Update app for latest iOS versions
- Improve camera quality
- Add more control options
In-app purchases
ESP
No in-app purchases
KY UFO
No in-app purchases
