Comparison

WH Control vs dBm Convert

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

Head to head
About

WH Control

Features
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This APP is mainly used for WH series SMS Controller products. The traditional SMS controller needs to manually edit commands, which is cumbersome and easy to forget. Now WH Control perfectly solves this problem. You can easily configure your device with just one click to achieve what you want required function. Main Features: You can assign an image to each device to make it easer to identify which one to activate. You can add /inquiry /edit /delete your devices and users. You can change the all users password. You can assign a time limit to each user for device control You can synchronize your device's clock with your smartphone's clock. You can change the relay closing time and siren output time. You can arm and disarm your device easily. You can inquiry alarm and operation records You can set up automatic reporting of SMS to prevent invalid SIMCARD You can set and customize power failure alarm SMS and time You can check device states easily.

About

dBm Convert

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Description dBm Calc is a powerful, user-friendly conversion tool designed specifically for engineers, technicians, and audio professionals. Whether you’re working with RF signals, audio levels, or other power measurements, dBm Calc makes it easy to convert between dBm, Watts, and Vpp. Key Features: β€’ Accurate Conversions: Convert dBm to Watts and Vpp with precision. Adjust calculations by applying an optional attenuation value to reflect real-world conditions. β€’ Intuitive Interface: Designed for simplicity, dBm Calc’s clean layout ensures that you can quickly input values and get results without any hassle. β€’ Built for Professionals: Ideal for RF, audio, and electronics applications, this app provides reliable conversion results when you need them most. β€’ Cross-Platform Compatibility: Optimized for macOS and iOS, dBm Calc is perfect for both desktop and on-the-go usage.

Screenshots

WH Control3 screens
dBm Convert2 screens

Verdict

The call

The clearest difference is price: WH Control at Free against dBm Convert's $1.99. WH Control also leads on update cadence (fortnightly vs every 9 months) and iOS requirement (15.0 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

WH Control is free to download; dBm Convert costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WH Control ships an update fortnightly, dBm Convert every 9 months. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

Scorecard3 real differences Β· 3 level
WH Control versus dBm Convert: the parameters behind the verdict, then further details
ParameterWH ControldBm Convert
PriceFree β€” better$1.99
Update frequencyFortnightly β€” betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 β€” better18.2
Further details β€” not scored
Size21 MB1 MB
Age rating4+4+
DeveloperShenzhen Wayhang Technology Co.,LtdOpen Technologies

In-app purchases

None

WH Control

No in-app purchases

None

dBm Convert

No in-app purchases

Questions

Is WH Control free?
WH Control is free to download, with no in-app purchases.
Is dBm Convert free?
dBm Convert costs $1.99, with no in-app purchases.
Do WH Control or dBm Convert have ads?
Neither WH Control nor dBm Convert shows ads.
Which is updated more often, WH Control or dBm Convert?
WH Control ships an update fortnightly, and dBm Convert every 9 months. Most recently, WH Control was updated on October 20, 2026 and dBm Convert on October 11, 2026.

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