My Unit Conversion vs 3X Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Unit conversion within categories
- Supports decimals
- Ad-free experience
- Multiple categories supported
- Simple and straightforward design
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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
3X Calculator
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3X Calculator is the first-ever 3-line calculator app that helps you to do calculations easily with easy amendment/modification to the equation. It is the standard calculator replacement and with 2 additional lines for easy calculation and wider display on a screen. Unit conversion for square feet to square meters, acres to square feet, acreage, rood, pole, kilometers per liter for fuel consumption is included
Screenshots
Verdict
The clearest difference is update cadence: 3X Calculator at weekly against My Unit Conversion's every 12 months. My Unit Conversion's advantage is iOS requirement (8.0 vs 15.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
My Unit Conversion ships an update every 12 months, 3X Calculator weekly. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | My Unit Conversion | 3X Calculator |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| Update frequency | Every 12 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 37 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Timmings | kuo ching liew |
In-app purchases
My Unit Conversion
No in-app purchases
3X Calculator
No in-app purchases
Questions
Is My Unit Conversion free?
Is 3X Calculator free?
Do My Unit Conversion or 3X Calculator have ads?
Which is updated more often, My Unit Conversion or 3X Calculator?
Other comparisons
