Comparison

MerryIoT Sensor vs DevicesTool

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

Head to head

MerryIoT Sensor

Free

🔧 Utilities

★ 1.02 ratingsView app →

About

MerryIoT Sensor

Monitor your home's environment with this app. It tracks air quality, detects water leaks, and alerts you to unexpected movement, helping ensure a healthy and safe living space.

Highlights

Air quality monitoring
Water leak detection
Movement detection
Home safety alerts
Healthy home environment

Features

Read full description

MerryIoT is the simple way to a healthy and safe home. Download the MerryIoT app and monitor air quality status, water leak detection, unexpected movement, etc…

About

DevicesTool

Features

Read full description

Devices.Tool Have the following functions * Configure or query LB NB devices * Upgrade the LB NB device

Screenshots

MerryIoT Sensor4 screens

DevicesTool4 screens

Verdict

The call

The clearest difference is update cadence: DevicesTool at every 2 months against MerryIoT Sensor's every 5 months. MerryIoT Sensor's advantage is iOS requirement (13.0 vs 17.6). 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

MerryIoT Sensor ships an update every 5 months, DevicesTool every 2 months. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level

MerryIoT Sensor versus DevicesTool: the parameters behind the verdict, then further details
Parameter	MerryIoT Sensor	DevicesTool
Price	Free	Free
Rating	1.0 (2 ratings) — better	—
Positive reviews	0.0% of reviews	—
Number of ratings	2 — better	—
Update frequency	Every 5 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	13.0 — better	17.6
Further details — not scored
Size	33 MB	25 MB
Age rating	4+	12+
Developer	BROWAN COMMUNICATIONS INCORPORATION	Shenzhen Dragino technology development co.LTD

In-app purchases

None

MerryIoT Sensor

No in-app purchases

None

DevicesTool

No in-app purchases

Questions

Is MerryIoT Sensor free?

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

Is DevicesTool free?

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

Do MerryIoT Sensor or DevicesTool have ads?

Neither MerryIoT Sensor nor DevicesTool shows ads.

Which is updated more often, MerryIoT Sensor or DevicesTool?

MerryIoT Sensor ships an update every 5 months, and DevicesTool every 2 months. Most recently, MerryIoT Sensor was updated on September 23, 2026 and DevicesTool on October 9, 2026.