Comparison

AB Converter vs KuCalc

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

Head to head
About

AB Converter

This utility app offers comprehensive unit conversions across 12 categories and 93 units. It features express conversion, an intuitive interface, and multi-unit conversion capabilities. Supports English, Traditional Chinese, and Simplified Chinese.

Highlights
  • Converts 93 units
  • 12 conversion categories
  • Express conversion
  • Easy-to-use interface
  • Multi-unit conversion
  • Supports 3 languages
Read full description

AB Converter is a powerful unit conversion tool, it supports up to 93 different units under 12 categories (length, area, weight etc..). Three major features: express conversion, easy-to-use and multi-unit conversion. *Support languages: English, Traditional Chinese and Simplified Chinese. Unit list: Length - Millimeter (mm) - Centimeter (cm) - Meter (m) - Kilometer (km) - Inch (in) - Foot (ft) - Furlong (fur) - Yard (yd) - Mile (mile) Area - Sq. Millimeter (mm²) - Sq. Centimeter (cm²) - Sq. Meter (m²) - Sq. Kilometer (km²) - Sq. Inch (in²) - Sq. Foot (ft²) - Sq. Yard (yd²) - Sq. Mile (mile²) - Acre (ac) Weight - Pound (lb) - Ounce (oz) - Tonne (t) - Kilogram (kg) - Gram (g) - Milligram (mg) - Carat (ct) - Stone (st) - Chinese-斤 (斤) - Chinese-両 (両) - Chinese-分 (分) Volume - Liter (L) - Milliliter (mL) - Imperial-Gallon (gal) - US-Gallon (gal) - Imperial-Pint (pt) - US-Pint (pt) - Cup (c) - Tablespoon (tbsp) - Teaspoon (tsp) - Petroleum-Barrel (bl) - Cubic Centimeter (cm³) - Cubic Meter (m³) - Cubic Inch (in³) - Cubic Foot (ft³) - Cubic Yard (yd³) Temperature - Celsius (°C) - Fahrenheit (°F) - Kelvin (K) - Rankine (°R) Time - Second (s) - Minute (min) - Hour (h) - Day (day) - Week (week) - Year (year) - Millisecond (ms) - Microsecond (μs) - Nanosecond (ns) Angle - Degree (°) - Gradian (grad) - Radian (rad) Data - Byte (B) - Kilobyte (kB) - Megabyte (MB) - Gigabyte (GB) - Terabyte (TB) - Petabyte (PB) - Bit (b) - Kilobit (kb) - Megabit (Mb) - Gigabit (Gb) - Terabit (Tb) - Petabit (Pb) Body Fitness - Calorie (cal) - Kilocalorie (kcal) - Joule (J) - Kilojoule (KJ) - Megajoule (MJ) Force - Newton (N) - Dyne (dyn) - Kilogram-Force (kgf) - Pound-Force (lbf) - Poundal (pdl) Power - Watt (W) - Kilowatt (kW) - Megawatt (MW) - Metric Horsepower (hp) Pressure - Pascal (Pa) - Kilopascal (kPa) - Megapascal (MPa) - Bar (Bar) - Torr (Torr) - Pound/Sq. Inch (psi) - Pound/Sq. Foot (psf)

About

KuCalc

Features
Read full description

It is a calculator with basic functions. We pursued ease of use with a minimum number of buttons. It has a history function. It can copy the results to clipboard.

Screenshots

AB Converter4 screens
KuCalc1 screens

Verdict

The call

The clearest difference is ads: KuCalc at none against AB Converter's shown. KuCalc also leads on iOS requirement (11.0 vs 13.0). AB Converter's advantage is update cadence (monthly vs every 3 months). 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

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

AB Converter ships an update monthly, KuCalc every 3 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
AB Converter versus KuCalc: the parameters behind the verdict, then further details
ParameterAB ConverterKuCalc
PriceFreeFree
Rating2.5 (2 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthly — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size8 MB1 MB
Age rating4+17+
DeveloperRockCat Studio LimitedMineaki Sakatoku

In-app purchases

None

AB Converter

No in-app purchases

None

KuCalc

No in-app purchases

Questions

Is AB Converter free?
AB Converter is free to download, with no in-app purchases.
Is KuCalc free?
KuCalc is free to download, with no in-app purchases.
Do AB Converter or KuCalc have ads?
AB Converter shows ads; KuCalc does not.
Which is updated more often, AB Converter or KuCalc?
AB Converter ships an update monthly, and KuCalc every 3 months. Most recently, AB Converter was updated on November 1, 2026 and KuCalc on October 30, 2026.

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