Comparison

MATHTRA vs Calculator

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

Head to head
About

MATHTRA

Features
Read full description

Train your math skills with adorable animals in MATHTRA! 【Perfect for】 - Elementary school kids (ages 4-10) - Anyone looking to sharpen mental math - Parents seeking fun educational apps 【Features】 - Addition, subtraction, multiplication & division - Beat the clock: only 15 seconds per question! - Simple gameplay: choose the missing math symbol - Cute animal characters make learning fun 【Ways to Play】 - Morning brain warm-up - Challenge your parents or friends to beat your score - Daily practice for math facts and multiplication tables A free, intuitive app where kids learn math while having a blast!

About

Calculator

This app offers a comprehensive suite of calculators for everyday tasks and advanced mathematical needs. It includes tools for finance, unit conversion, health, and time calculations, all within a user-friendly interface.

Highlights
  • Scientific calculator functions
  • Percentage and discount calculations
  • Loan and savings calculators
  • Unit and currency conversion
  • Health and fuel cost calculators
  • Date and world time converters
  • GPA and tip calculators
Features
Read full description

Calculator provides simple and advanced mathematical functions in a beautifully designed app. List of calculators currently supported: - Calculator ( + Scientific Calculator ) • Supports the four fundamental arithmetic operations, square, root, parentheses and percentage operations. • Supports scientific operations such as trigonometric, exponential and logarithmic functions. • Simple and easy. - Percentage Calculator • You can easily calculate the percentage increase or decrease. • You can also calculate what percentage one number is of another. - Discount Calculator • Get a discount price by entering the original price and the discount rate. - Loan Calculator • You can calculate the total interest and total payments by entering the loan principal and interest rate. - Date Calculator • A feature that calculates the specific date or anniversary to be remembered! - Unit Converter • Supports length, weight, width, volume, time, temperature, pressure, speed, fuel efficiency, and the amount of data. • Supports all unit conversions commonly used in everyday life. - Currency Converter • Supports 135 currencies in the world, including dollar, euro, yen, yuan, etc. • Automatically calculates using the real time exchange rate. - Health Calculator • You can measure the body mass index (BMI) and the basal metabolic rate (BMR). - Automobile Fuel Cost Calculator • You can calculate the fuel costs required for driving a car or traveling. • Enter a distance and a fuel efficiency to get a fuel cost. - Fuel Efficiency Calculator • Enter the amount of fuel used to get the fuel efficiency. - GPA Calculator • You can correctly calculate your GPA! - Tip Calculator • The tip amount to be added will be automatically calculated if you enter the billing amount and tip percentage. • There is a function not to calculate tips on tax. • You may calculate the amount per person by dividing final amount by the number of people. - Sales Tax Calculator • Get a total price by entering the original price and the tax rate. - Unit Price Calculator • Enter the price and the quantity and you will get the unit price. • You can compare unit prices of various goods. - World Time Converter • Transforms the time of 400 or more cities around the world. • Daylight savings time will also be reflected in this calculation. - Savings Calculator • If you enter deposit amount, interest rate and time period, the interest after tax and final savings balance will be calculated.

Screenshots

MATHTRA3 screens
Calculator4 screens

Verdict

The call

The clearest difference is update cadence: MATHTRA at every 2 weeks against Calculator's every 2 months. 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

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

MATHTRA ships an update every 2 weeks, Calculator every 2 months. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

Scorecard1 real difference · 8 level
MATHTRA versus Calculator: the parameters behind the verdict, then further details
ParameterMATHTRACalculator
PriceFreeFree
Rating—4.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size5 MB26 MB
Age rating4+4+
DeveloperKentaro SekiKrushit Sachapara

In-app purchases

None

MATHTRA

No in-app purchases

None

Calculator

No in-app purchases

Questions

Is MATHTRA free?
MATHTRA is free to download, with no in-app purchases.
Is Calculator free?
Calculator is free to download, with no in-app purchases.
Do MATHTRA or Calculator have ads?
Both MATHTRA and Calculator show ads.
Which is updated more often, MATHTRA or Calculator?
MATHTRA ships an update every 2 weeks, and Calculator every 2 months. Most recently, MATHTRA was updated on September 9, 2026 and Calculator on September 23, 2026.

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