Comparison

CALCUL Calculator vs KB Tools

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

Head to head
About

CALCUL Calculator

A free calculator app offering a clean interface with essential functions. It includes a detailed calculation history, allowing users to easily copy and paste numbers. The app also features a simple time interval calculator.

Highlights
  • Free calculator
  • No ads
  • Calculation history
  • Copy/paste from history
  • Backspace key
  • Time interval calculator
Features
Read full description

- Free Calculator - No ads - With calculation history - Tap on any number in the calculation history to copy - Long press to paste a number - Backspace key - Simple time interval calculator

About

KB Tools

Features
Read full description

KB Tools contains the following set of tools: Area-calculator, Volume-calculator, Unit converter and an Elevation-calculator. Area-calculator: - Rectangle - Triangle - Trapezoid - Circle - Sector - Ellipse - Parallelogram Volume-calculator: - Sphere - Cone - Cube - Cylinder - Rectangular Tank - Capsule - Sperical Cap - Conical Frustum - Ellipsoid - Square Pyramid - Tube The area-tool accept input in meters, feet, yards, inches, miles, kilometers and centimeters. The volume-tools does also includes input in millimeters, micrometers and nanometers if needed. The Elevation-tool lets you calculate the grade, grade in percentage, angle in degrees and the fraction when filling in the vertical distance and the horizontal distance. Accepts the following input units: millimeter, centimeter, meter, kilometer, inches, feet, yards, miles, and nautical miles. The converter-tool let you convert units of Length, Weight and Mass, Area, Volume, Time, Temperature, Speed and Data storage. See the full list below! Length: Meter, Kilometer, Decimeter, Centimeter, Millimeter, Micrometer, Nanometer, Mile, Yard, Foot, Inch, Nautical Mile and Light year. Weight and Mass: Kilogram, Gram, Milligram, Ton, Pounds, Ounce, Carrat, Ton (short), Ton (long) and Atomic Mass Unit. Area: Square neter, Square kilometer, Square centimeter, Square millimeter, Square micrometer, Hectare, Square mile, Square yard, Square foot, Square inch and Acre. Volume: Cubic meter, Cubic kilometer, Cubic centimeter, Cubic millimeter, Liter, Milliliter, Gallon, Quart, Pint, Cup, Tablespoon, Teaspoon, Fluid ounce, Cubic mile, Cubic yard, Cubic foot and Cubic inch. Time: Second, millisecond, Minute, Hour, Day, Week, Month and Year. Temperature: Kelvin, Celcius, Fahrenheit, Rankine and Reaumur. Speed: Meter/second, Kilomter/hour, Mile/hour, meter/hour, Kilometer/second, Foot/hour, Foot/second, Mile/second, Knot and Mach. Data storage: Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte and Exabyte. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://somnail.no/privacy-policy/

Screenshots

CALCUL Calculator3 screens
KB Tools4 screens

Verdict

The call

The clearest difference is ads: CALCUL Calculator at none against KB Tools's shown. KB Tools's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, 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. CALCUL Calculator sells 3 one-off in-app purchases and KB Tools sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CALCUL Calculator ships an update every 4 days, KB Tools every 2 days. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
CALCUL Calculator versus KB Tools: the parameters behind the verdict, then further details
ParameterCALCUL CalculatorKB Tools
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 daysEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size1 MB57 MB
Age rating4+4+
DeveloperReza TakhshidKristoffer Bjoernvik

In-app purchases

3 purchases

CALCUL Calculator

One-time3
  • 1xSupport$1.99
  • 2xSupport$3.99
  • 3xSupport$9.99
1 purchases

KB Tools

Subscriptions1
  • KB Tools No Ads$1.991 Month

Questions

Is CALCUL Calculator free?
CALCUL Calculator is free to download, with in-app purchases available.
Is KB Tools free?
KB Tools is free to download, with in-app purchases available.
Do CALCUL Calculator or KB Tools have ads?
KB Tools shows ads; CALCUL Calculator does not.
Which is updated more often, CALCUL Calculator or KB Tools?
CALCUL Calculator ships an update every 4 days, and KB Tools every 2 days. Most recently, CALCUL Calculator was updated on October 13, 2026 and KB Tools on October 25, 2026.

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