Comparison

SENTRY Drone vs KAI FLY

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real-time image transmission
  • Photo and video capture
  • Gesture control
  • Rocker control
  • Gravity induction control
  • Scribing flight
  • VR split screen
Features
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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

About

KAI FLY

Features
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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

SENTRY Drone3 screens
KAI FLY2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
SENTRY Drone versus KAI FLY: the parameters behind the verdict, then further details
ParameterSENTRY DroneKAI FLY
PriceFreeFree
Rating1.8 (4 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings4 — better—
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size127 MB175 MB
Age rating4+4+
Developer文 张荣军 杨

In-app purchases

None

SENTRY Drone

No in-app purchases

None

KAI FLY

No in-app purchases

Questions

Is SENTRY Drone free?
SENTRY Drone is free to download, with no in-app purchases.
Is KAI FLY free?
KAI FLY is free to download, with no in-app purchases.
Do SENTRY Drone or KAI FLY have ads?
Neither SENTRY Drone nor KAI FLY shows ads.
Which is updated more often, SENTRY Drone or KAI FLY?
SENTRY Drone ships an update monthly, and KAI FLY every 6 months. Most recently, SENTRY Drone was updated on October 7, 2026 and KAI FLY on October 2, 2026.

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