How to create a Calculator app with AI and Appsgeyser

Introduction
Creating a calculator app is a great way to provide practical functionality for everyday tasks, attracting users looking for a convenient tool directly on their phones. A custom calculator app can also help drive engagement and serve as an introduction to more advanced app development.
Welcome to this tutorial “How to Create a Learning Calculator App Using AppsGeyser and AI tool”. Today, we are going to show you how to create a Calculator from scratch using Claude.ai — an AI-powered tool to generate HTML code — and then turn that code into a mobile app using AppsGeyser app builder, without writing a single line of code yourself. Let’s get started!
🎯 Target Audience
This instruction is perfect for beginners, entrepreneurs, hobbyists, or anyone who wants to quickly create a functional calculator app without coding skills.
🔧 Necessary Tools
- AppsGeyser (app builder)
- Claude AI (AI tool to generate HTML code)
📌 Step-by-Step Guide How to create a Calculator app

STEP 1: Generate the HTML code using Claude.ai
Creating a Web Application
- Go to Claude AI and prompt Claude to create a HTML calculator.
For example, you can use the examples of these prompts as a starting point:
- “Please generate a HTML-based, CSS, and JavaScript code for an online calculator with basic arithmetic operations, calculating percentages.”
- “Please generate a simple HTML, CSS, and JavaScript code for a learning calculator that performs basic arithmetic operations — addition, subtraction, multiplication, and division. Add an input field for numbers and buttons for operations. Include explanations or formulas when users perform calculations so they can learn from the process.”
- Copy the generated HTML code provided by Claude AI.

STEP 2. Converting HTML Code to App Using AppsGeyser
Visit AppsGeyser.com
- Go to AppsGeyser.com and log in or register.
Select Template
- Choose the HTML-to-App template.
Insert HTML Code
- Paste your HTML calculator code into the provided editor.
Customize Your App
- Provide a suitable name for your calculator app.
- Upload a unique and appealing app icon.
Preview and Testing
- Preview your app within the AppsGeyser environment.
- Test the calculator functionalities thoroughly.
Build and Download APK
- Click “Create” and wait for AppsGeyser to build your app.
- Download the generated APK file.

STEP 3. App Publishing
Testing on Android Devices
- Install your APK file on an Android device to perform real-world tests. Test it on your smartphone to make sure everything works smoothly. Share it with friends, family, or even students to help them learn arithmetic calculations in a fun way!
Publish on Google Play
- Sign up for a Google Play Developer account.
- Upload your APK and fill in necessary details like description and screenshots.
Read more about publishing on Google Play here.
🚨 Common Problems and Solutions (FAQ)
- HTML Code not Working? Ensure your HTML code is correct by retesting with Claude.
- App not installed? Check if “Install from unknown sources” is enabled on your device.
💡 Promotion and Monetization Tips
- Integrate ads within AppsGeyser for revenue.
- Promote your app using social media and optimize your Google Play listing with relevant keywords.
🏁 Conclusion
Now you have successfully created a practical calculator app using Claude AI and AppsGeyser! Start promoting your app today and reach a broader audience.
Get started now and create your own calculator app!