SENTRY Drone vs KAI FLY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SENTRY Drone
Control a drone with real-time image transmission. Capture photos and videos using buttons or gestures. Offers multiple control modes including rocker, gravity induction, and scribing flight, with VR split-screen support.
- Real-time image transmission
- Photo and video capture
- Gesture control
- Rocker control
- Gravity induction control
- Scribing flight
- VR split screen
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This application is designed to consume helicopter products. Its main functions are as follows: 1. Real time image transmission 2. Press the button to take photos and video, and gesture to take photos and video. 3. Rocker control, gravity induction control, and scribing flight 4. VR split screen
KAI FLY
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KAI FLY is a drone control application, which mainly supports basic functions such as KAIFLY series drone virtual joystick control, parameter setting, flight mode switching, accelerometer calibration, compass calibration, and one-key return to home. It also integrates functions such as map location display, GPS tracking, waypoint flight, orbital flight, virtual guardrail setting, high-definition real-time video display, high-definition shooting & video, image beautification and so on. It can also be combined with physical remote control to provide users with an accurate and interesting flight experience.
Screenshots
Verdict
The clearest difference is update cadence: SENTRY Drone at monthly against KAI FLY's every 6 months. SENTRY Drone also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support 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.
SENTRY Drone ships an update monthly, KAI FLY every 6 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.
| Parameter | SENTRY Drone | KAI FLY |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 127 MB | 175 MB |
| Age rating | 4+ | 4+ |
| Developer | 文 张 | 荣军 杨 |
In-app purchases
SENTRY Drone
No in-app purchases
KAI FLY
No in-app purchases









