CalculatorLib - All in One is made and published by
Hai Le Phu.
AppBrain is an independent app data site and isn't affiliated with Hai Le Phu.
The app name, icon, screenshots and description belong to Hai Le Phu and are shown as
published on the App Store.
About CalculatorLib - All in One
CalculatorLib - All in One was a productivity app developed by Hai Le Phu. It was removed from the App Store Jul 26, 2026.
User Ratings
The app had no ratings.
App Information
CalculatorLib - All in One was free. The app size was 39.88 MB. The last available version was 1.0.1. The last update was on September 18, 2025.
Technical Requirements
The app had a content rating of Everyone. The app had been available on the App Store since July 2025.
Description by Hai Le Phu(from the App Store)
Discover the power of professional calculations at your fingertips!
CalculatorLib is your comprehensive solution for every calculation need, featuring over 500 specialized calculators organized into intuitive categories. Whether you're a student tackling homework, a professional making financial decisions, or simply need quick everyday calculations, our app delivers accuracy and convenience.
Key Features: • 500+ Specialized Calculators - Math, Finance, Health, Time, Geometry, Unit Conversions • Instant Results - Real-time calculations with detailed breakdowns • Bilingual Support - Full English and Vietnamese language support • Favorites System - Save frequently used calculators for quick access • Offline Capable - Access saved calculators without internet • Educational Focus - Specialized tools for Vietnamese curriculum • Professional Design - Clean, intuitive Material Design interface
Calculator Categories: • Financial Calculators: Compound Interest, Loan Calculator, Investment Calculator, Inflation Calculator, APY Calculator, Mortgage Calculator • Health & Fitness: BMI Calculator, Calorie Calculator, TDEE Calculator, Body Fat Calculator, Ideal Weight Calculator • Time & Date: Age Calculator, Time Duration Calculator, Working Days Calculator, Date Calculator, Hours Calculator • Mathematical: Fraction Calculator, Percentage Calculator, Statistics Calculator, Standard Deviation Calculator • Unit Converters: Area Converter, Weight Converter, Temperature Converter, Digital Storage Converter, Pressure Converter • Geometry: Area Calculator, Volume Calculator, Shape Calculator, Triangle Calculator, Circle Calculator • Educational: Vietnamese education-specific calculators, Academic calculators, Learning tools
Why Choose CalculatorLib: • Trusted Quality: Used by thousands of users across Vietnam and internationally • Always Updated: Regular updates with new calculators and enhanced features • Completely Free: All calculators available without premium barriers or subscriptions • Smart Search: Advanced search functionality with Vietnamese text normalization • Related Suggestions: Intelligent recommendations for comprehensive calculation solutions • Professional Accuracy: Enterprise-grade precision for critical calculations • Responsive Design: Optimized for all screen sizes and device orientations
Perfect for: Students: Homework assistance, exam preparation, mathematical learning Professionals: Financial planning, business calculations, engineering conversions Educators: Teaching tools, curriculum support, classroom demonstrations General Users: Daily calculations, health metrics, time management.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
