Comparison

My Unit Conversion vs Holtek MCU Selector

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

Head to head
About

My Unit Conversion

Easily convert units within various categories like length, mass, and temperature. This free application handles decimal conversions and is ad-free, offering a straightforward utility for everyday needs.

Highlights
  • Unit conversion within categories
  • Supports decimals
  • Ad-free experience
  • Multiple categories supported
  • Simple and straightforward design
Read full description

The application has been designed to do a single, simple job, which is to convert one unit to another within a specific category. The application is free to use and free of ads. In this first release, the app. only supports conversion too and from decimals and currently does not support conversion of multiple units at once, for example converting 5 feet 9 inches to metres. Categories currently include * Angle * Area * Data Storage * Data Transfer Rates * Frequency * Fuel Economy * Energy * Length * Luminous Energy * Magnetomotive Force * Mass * Power * Pressure * Speed * Temperature * Time * Volume

About

Holtek MCU Selector

Features
Read full description

The Holtek MCU Selector App is provided for mobile device users. By setting up parameter search conditions, customers can select their most suitable MCU by choosing from the many MCU product categories in real time and then checking the latest product and specification information. This App therefore provides a superior tool for product selection. The Holtek MCU Selector App has an intuitive and convenient operational process. Here search conditions are setup and then a search implemented according to more than 80 parameters to find the right device selection from among the full range of 8-bit and 32-bit MCUs. If the part number of a Holtek MCU is already known and it is required to find the specifications and characteristics of the device, then it is only necessary to enter the part number in the search interface to obtain complete detailed information. Features - Intuitive and convenient MCU selection tool - Supports both Holtek 8-bit and 32-bit MCU series - Parameter search function based on multiple MCU application categories and technical specifications - Accurate search facility and viewing of information based on specific device - Selection results can be sorted, compared, saved and recalled - Management function for customer’s preferred MCU devices - Can use social messaging software to share obtained devices - Instant access to MCU key specifications and related technical documents - Integrated alongside the Holtek group website

Screenshots

My Unit Conversion4 screens
Holtek MCU Selector4 screens

Verdict

The call

The clearest difference is update cadence: Holtek MCU Selector at every 2 months against My Unit Conversion's every 12 months. My Unit Conversion's advantage is iOS requirement (8.0 vs 13.0). On price, 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

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

UpkeepUpdate frequency

My Unit Conversion ships an update every 12 months, Holtek MCU Selector every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Β· 6 level
My Unit Conversion versus Holtek MCU Selector: the parameters behind the verdict, then further details
ParameterMy Unit ConversionHoltek MCU Selector
PriceFreeFree
Positive reviews80.0% of reviewsβ€”
Update frequencyEvery 12 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod, Mac β€” betteriPhone, iPad, iPod
Requires iOS8.0 β€” better13.0
Further details β€” not scored
Size37 MB19 MB
Age rating4+4+
DeveloperMark TimmingsHoltek Semiconductor(China) Inc

In-app purchases

None

My Unit Conversion

No in-app purchases

None

Holtek MCU Selector

No in-app purchases

Questions

Is My Unit Conversion free?
My Unit Conversion is free to download, with no in-app purchases.
Is Holtek MCU Selector free?
Holtek MCU Selector is free to download, with no in-app purchases.
Do My Unit Conversion or Holtek MCU Selector have ads?
Neither My Unit Conversion nor Holtek MCU Selector shows ads.
Which is updated more often, My Unit Conversion or Holtek MCU Selector?
My Unit Conversion ships an update every 12 months, and Holtek MCU Selector every 2 months. Most recently, My Unit Conversion was updated on October 24, 2026 and Holtek MCU Selector on October 25, 2026.

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