Unit Converter Simple vs HK Service
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter Simple
Read full descriptionHide full description
A free app that easily converts units such as length and weight into other units. You can easily convert meters to kilometers, grams to kilograms, and so on. In addition, the converted values are displayed in a list, so you can check them immediately. You can hide the units you don't need, so you can see only the units you want to see. It corresponds to various units. [Unit List] Length, Weight, Area, Volume, Angle, Time, Speed, Temperature, Force, Pressure, Acceleration, Energy [Each Unit] Length: Metre, Foot, Inch, etc. Weight: Gram, Kilogram, Pound, etc. Area: Square metre, Square foot, Hectare, etc. Volume: Litre, Cubic centimetre, Gallon, etc. Angle: Degree, Minute, Radian, etc. Time: Second, Hour, Day, etc. Speed: Metre per second, Mile per hour, Knot, etc. Temperature: Celsius, Fahrenheit, Kelvin, etc. Force: Kilogram-force, Newton, Poundal, etc. Pressure: Pascal, Hectopascal, Bar, etc. Acceleration: Metre per second squared, Gal, etc. Energy: Joule, Erg, Foot-poundal, etc.
HK Service
Read full descriptionHide full description
HK Map 장비 사후관리 앱
Screenshots
Verdict
The clearest difference is ads: HK Service at none against Unit Converter Simple's shown. HK Service also leads on update cadence (every 3 days vs every 10 months). Unit Converter Simple's advantage is iOS requirement (13.0 vs 15.0). On price, 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.
Unit Converter Simple ships an update every 10 months, HK Service every 3 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Unit Converter Simple | HK Service |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouji Yamauchi | HK Global |
In-app purchases
Unit Converter Simple
No in-app purchases
HK Service
No in-app purchases
Questions
Is Unit Converter Simple free?
Is HK Service free?
Do Unit Converter Simple or HK Service have ads?
Which is updated more often, Unit Converter Simple or HK Service?
Other comparisons
