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All-in-one calculator: basic, scientific, unit & currency converter
Calculator by Notes - To Do List is a versatile, free app offering basic and scientific math, plus a unit and currency converter, all in one. It ranks in the TOOLS category across MX (#29), BR (#44), and FR (#73) with a solid 3.96 rating from thousands of users, and benefits from a large total install base with strong recent momentum. The app supports offline use and a floating mode for multitasking, making it a practical choice for students, engineers, and everyday users.
Pros & Cons
- All-in-one tool: basic, scientific, unit and currency conversions
- Floating mode enables multitasking without leaving the current app
- Calculation history for quick recall and re-use of formulas
- After Call screen and quick access post-call utilities
- Offline functionality for basic and scientific calculations
- Light and Dark themes for readability and battery efficiency
- Lacks explicit AI-powered features or professional-grade solver tools mentioned in competing apps
- Uses a broad permission set (ads, overlays, phone state) which may raise privacy considerations for some users
About Calculator
Calculator is a tools app developed by Notes - To Do List.
Download Statistics
Calculator has been downloaded 3.8 million times. In the last 30 days, the app was downloaded 12 thousand times.
User Ratings
Calculator is rated 4.04 out of 5 stars. The rating is based on 3.3 thousand ratings.
App Information
Calculator is FREE to download. The APK download size is 35.72 MB. The latest version available is 1.20. The last update was on July 26, 2026.
Technical Requirements
Calculator requires Android 8.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play December 2025.
More data about Calculator
| Price | Free to download |
| Total downloads | 3.8 million |
| Recent downloads | 12 thousand |
| Rating | 4.04 based on 3.3 thousand ratings |
| Ranking | Not ranked |
| Version | 1.20 |
| APK size | 35.7 MB |
| Number of libraries | 0 |
| Designed for Android | 8.0+ |
| Suitable for | Everyone |
| Ads | Contains ads |
App Performance Report
Get a detailed PDF report for Calculator with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
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Calculator compared with similar apps
Common keywords of similar apps
Call Engineering Tap Screen Problems Light Dark Multitask Engineers Arithmetic Icon Open Homework View Apps Numbers Calculator Scientific App Unit Converter Floating Simple Calculation History Math Smart Calculate Access Mode Complex Functions Equations Calculations Perfect Easy Units Basic Currency Daily Students Features Quick Convert
Keywords missing from this app
Advanced Everyday Time Tools Fast Percentage Solve Ai Date Accurate Designed Currencies Shopping Solver Finance Professionals Conversion Discount Easily Tool Perform Conversions
More from Notes - To Do List
Google Play Rating history and histogram
Downloads over time
Calculator has been downloaded 3.8 million times. Over the past 30 days, it averaged 400 downloads per day.
Changelog of Calculator
Developer information for Notes - To Do List
Comments on Calculator for Android
Google Play Rankings for Calculator
Technologies used by Calculator
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