Comparison

CrownSensor vs Thermal Sniffer

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

Head to head

CrownSensor

Bluetooth + Sensor IoT Control

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

CrownSensor

Control your phone's volume and screen brightness using Bluetooth-connected IoT hardware. This app enables seamless integration for managing device settings remotely.

Highlights

Bluetooth IoT hardware integration
Mobile phone volume control
Screen brightness adjustment
Remote device setting management

Features

Read full description

This application demonstrates the application scenario of IoT hardware operating mobile phone volume and screen brightness via Bluetooth.

About

Thermal Sniffer

Read full description

Thermal Sniffer is a device which can be used to find thermal activity for any free flight aeromodelling class. This companion app shows the temperature, pressure and wind activity on a graphical interface.

Screenshots

CrownSensor4 screens

Thermal Sniffer3 screens

Verdict

The call

The clearest difference is iOS requirement: CrownSensor at 13.0 against Thermal Sniffer's 17.0. 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

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

CrownSensor ships an update every 3 days, Thermal Sniffer every 6 days. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 8 level

CrownSensor versus Thermal Sniffer: the parameters behind the verdict, then further details
Parameter	CrownSensor	Thermal Sniffer
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 3 days — better	Every 6 days
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	13.0 — better	17.0
Further details — not scored
Size	20 MB	2 MB
Age rating	4+	4+
Developer	Shenzhen Lanke Xuntong Technology Co., Ltd.	i-developer IT Beratung UG (haftungsbeschr√§nkt)

In-app purchases

None

CrownSensor

No in-app purchases

None

Thermal Sniffer

No in-app purchases

Questions

Is CrownSensor free?

CrownSensor is free to download, with no in-app purchases.

Is Thermal Sniffer free?

Thermal Sniffer is free to download, with no in-app purchases.

Do CrownSensor or Thermal Sniffer have ads?

Neither CrownSensor nor Thermal Sniffer shows ads.

Which is updated more often, CrownSensor or Thermal Sniffer?

CrownSensor ships an update every 3 days, and Thermal Sniffer every 6 days. Most recently, CrownSensor was updated on October 1, 2026 and Thermal Sniffer on October 10, 2026.