HS vs KY UFO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HS
Control a toy quadrocopter in real-time using your device. Stream live video directly from the drone to your screen.
- Wi-Fi quadrocopter control
- Real-time video transfer
- Live video streaming
- Device control
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A toy quadrocopter control by wifi with video transfer real time.
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: HS at 4.1 against KY UFO's 2.6. HS also leads on review sentiment (47% vs 25%) and iOS requirement (7.0 vs 12.0). KY UFO's advantage is ratings volume (217 vs 32). On price, update cadence, 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.
HS holds the better App Store score, 4.1 against 2.6. That said, the two scores are not equally well evidenced: KY UFO has 217 ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 47% of HS's written reviews are positive against 25% of KY UFO's.
HS ships an update every 4 weeks, KY UFO monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | HS | KY UFO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (32 ratings) — better | 2.6 (217 ratings) |
| Positive reviews | 47.1% of reviews — better | 25.0% of reviews |
| Number of ratings | 32 | 217 — better |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 70 MB | 133 MB |
| Age rating | 4+ | 4+ |
| Developer | HOLY STONE TECHNOLOGY Co.,Ltd. | shenzhen cooingdv technology co.,ltd. |
Customer experience
HS
KY UFO
Bugs and requests
HS
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
HS
No in-app purchases
KY UFO
No in-app purchases
