MATHTRA vs Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MATHTRA
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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!
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | MATHTRA | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Kentaro Seki | Krushit Sachapara |
In-app purchases
MATHTRA
No in-app purchases
Calculator
No in-app purchases
Questions
Is MATHTRA free?
Is Calculator free?
Do MATHTRA or Calculator have ads?
Which is updated more often, MATHTRA or Calculator?
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