Calculator: Simple Calculator Android
Calculator: Simple Calculator gets 50k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Calculator: Simple Calculator is #63 in Tools Free on Google Play in Japan and charting in 8 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperEfficient Tools
CategoryTools
PriceFree
Released
Installs50M+
Rating★ 4.4 (128k)
Updated
Content ratingEveryone
Rating
4.4 ★
128k ratings
Measured
Best rank now
#63
Tools FreeMeasured
Calculator: Simple Calculator on Google Play
App details
App ID
calculator.currencyconverter.tipcalculator.unitconverter
Publisher
Efficient Tools
Content rating
Everyone
Calculator: Simple Calculator downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Calculator: Simple Calculator's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Calculator: Simple Calculator makes money: subscriptions, one-off purchases and ads.
Ads · 31 ad networks
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ToolsFree | #63 |
 United States | ToolsFree | #189 |
 Brazil | ToolsFree | #35 |
 France | ToolsFree | #138 |
 Italy | ToolsFree | #109 |
 Canada | ToolsFree | #187 |
 United Arab Emirates | ToolsFree | #103 |
 Saudi Arabia | ToolsFree | #192 |
Apps near Calculator: Simple Calculator on the chart
Tools Free, around #63.
Ratings
Google Play, worldwide.
Rating
4.4 ★
128k ratings
Measured
Ratings
128k
Measured
Written reviews
2.4k
Measured
About Calculator: Simple Calculator
Your perfect Android calculator app for quick and easy calculations on all occasions! With our free calculator, there's no need to worry about the math; enjoy the simple calculator packed with a sleek and intuitive interface as well as multiple offline calculator functions meeting all your needs!
No matter whether you want a calculator for Samsung, a calculator for Xiaomi or for other devices, our app ensures faster speed, better performance and more abundant modes as your must-have offline calculator tool.
What makes us a helpful Android calculator that distinguishes from other free calculators:
🔢 Basic & Scientific Calculator
• Master the 4 basic offline calculator operations: square, roots, parentheses, and percentages.
• Perform a wide range of scientific calculations: log, ln, √, sin, cos, tan, etc., all through our free calculator. We even optimize it to serve as a calculator for Google.
• Move the cursor anywhere for equation editing and copying, making it a really simple calculator.
• Simplify your math with the convenient interface particularly designed for Android calculator users.
• Tailor your calculation precision from 0 to 10 decimal places.
• Save in real time. You can pick calculations up from the offline calculator history at ease, even if you accidentally close the app.
📏 Unit Converter for Android Calculator
• Convert units for length, area, volume, weight, time, and data all through the simple calculator
• Cover all your daily life unit conversions in one free calculator.
💱 World Currency Converter
• Access real-time exchange rates for all global currencies and perform currency conversions with one tap.
• Convert 4 currencies at once.
🏷️ Discount Calculator
• See savings, taxes, and the total just need to input amounts, discount rates, and tax.
💰GST Calculator
• Get the total price by entering the original cost and tax rate.
🏦 Loan Calculator
• Easily track your loan bills by inputting interest and principal for equal principal, equal installments, etc.
📆 Date Calculator
• Support calculating dates and the interval between two dates.
💵 Tip Calculator
• Just input your bill amount and tip percentage to get the tip automatically.
• Exclude tips from taxable calculations, saving you time and hassle.
• Quickly know each person's share by dividing the final amount evenly.
📱 User-Friendly Design
• Enjoy an error-free input experience with our large keyboard for all ages. Beautiful interface as a calculator for Redmi.
• Say goodbye to input errors with optional key vibrations.
No matter whether you want a calculator for Samsung, a calculator for Xiaomi or for other devices, our app ensures faster speed, better performance and more abundant modes as your must-have offline calculator tool.
What makes us a helpful Android calculator that distinguishes from other free calculators:
🔢 Basic & Scientific Calculator
• Master the 4 basic offline calculator operations: square, roots, parentheses, and percentages.
• Perform a wide range of scientific calculations: log, ln, √, sin, cos, tan, etc., all through our free calculator. We even optimize it to serve as a calculator for Google.
• Move the cursor anywhere for equation editing and copying, making it a really simple calculator.
• Simplify your math with the convenient interface particularly designed for Android calculator users.
• Tailor your calculation precision from 0 to 10 decimal places.
• Save in real time. You can pick calculations up from the offline calculator history at ease, even if you accidentally close the app.
📏 Unit Converter for Android Calculator
• Convert units for length, area, volume, weight, time, and data all through the simple calculator
• Cover all your daily life unit conversions in one free calculator.
💱 World Currency Converter
• Access real-time exchange rates for all global currencies and perform currency conversions with one tap.
• Convert 4 currencies at once.
🏷️ Discount Calculator
• See savings, taxes, and the total just need to input amounts, discount rates, and tax.
💰GST Calculator
• Get the total price by entering the original cost and tax rate.
🏦 Loan Calculator
• Easily track your loan bills by inputting interest and principal for equal principal, equal installments, etc.
📆 Date Calculator
• Support calculating dates and the interval between two dates.
💵 Tip Calculator
• Just input your bill amount and tip percentage to get the tip automatically.
• Exclude tips from taxable calculations, saving you time and hassle.
• Quickly know each person's share by dividing the final amount evenly.
📱 User-Friendly Design
• Enjoy an error-free input experience with our large keyboard for all ages. Beautiful interface as a calculator for Redmi.
• Say goodbye to input errors with optional key vibrations.