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Smart MultiCalculator – All-in-One Android Calculator App (29+ Tools, AdMob + Unity Ads)

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$10.00
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Smart MultiCalculator is a powerful and versatile Android application built with Kotlin & Jetpack Compose. It combines 29+ calculators across multiple categories into one clean, colorful, and professional app—perfect for students, professionals, engineers, business owners, and everyday users.


✨ Key Features:

  • 29+ calculators across categories: Basic, Scientific, Financial, Health, Engineering & Miscellaneous
  • Modern & responsive UI with gradient tiles and a dynamic dashboard
  • Built using Jetpack Compose with clean architecture
  • Supports Android tablets, Fire Tablets, and Fire TV
  • Integrated AdMob (Banner, Interstitial, Rewarded, App Open Ads)
  • Integrated Unity Ads for extra monetization
  • “Go Ad Free” unlock option with rewarded ads logic
  • Lightweight, optimized performance, easy to customize


Technologies Used:

  • Kotlin – Primary language
  • Jetpack Compose – Modern UI toolkit
  • Navigation Compose – Smooth navigation between screens
  • Hilt – Dependency Injection
  • AdMob + Unity Ads SDKs


What You Get:

  • Full Android Studio project source code
  • Clean, modular, and well-documented codebase
  • Documentation (PDF) for setup, configuration, and customization
  • Ready-to-publish app with AdMob & Unity Ads integration


Categories & Calculators Included:

  • Basic & Advanced: Standard, Scientific, Programmer, Graphing, Fraction, Matrix, Equation Solver
  • Financial: Currency Converter, Loan/Mortgage, Tip, Discount, EMI, ROI, Tax
  • Health & Fitness: BMI, Calorie, Body Fat, BMR
  • Engineering & Utilities: Unit Converter, Ohm’s Law, Physics Formulas, Fuel Consumption, Date & Age
  • Miscellaneous: Percentage, Statistics, Probability, Time, Zakat/Donation, Cooking Converter


This source code is ready to be published on the Play Store or customized for your projects. It is designed with scalability and monetization in mind.


You will get a ZIP (170MB) file