Overview
This prompt aims to outline the requirements for developing an Age Calculator app, benefiting developers and project managers. It provides a structured approach to ensure a successful app creation process.
Prompt Overview
Purpose: This document outlines the requirements for an Age Calculator app using React Native and Expo.
Audience: The intended audience includes developers, project managers, and stakeholders involved in the app’s creation.
Distinctive Feature: The app will feature a user-friendly date picker for easy birthdate input.
Outcome: The result will be a reliable, cross-platform app that accurately calculates and displays age.
Quick Specs
- Media: Text
- Use case: Age calculation app development
- Techniques: React Native, Expo, UX design
- Models: User Interface, Performance, Security
- Estimated time: 4-6 weeks
- Skill level: Intermediate
Variables to Fill
No inputs required — just copy and use the prompt.
Example Variables Block
No example values needed for this prompt.
The Prompt
Develop a comprehensive requirements document for an Age Calculator app using React Native and Expo.
## Functional Requirements
1. Calculate Age:
– The app should accurately calculate an individual’s age based on the input birthdate and the current date.
2. Input Birthdate:
– Users should be able to input their birthdates using a user-friendly date picker.
3. Display Age in Years, Months, and Days:
– After calculation, show the age in terms of years, months, and days.
4. User Interface:
– The app should have a clean, intuitive interface that adheres to mobile UX design principles.
5. Dark/Light Mode Support:
– Provide an option for users to switch between dark and light mode.
## Non-Functional Requirements
6. Performance:
– The application should perform calculations instantly and smoothly without noticeable delays.
7. Cross-Platform Compatibility:
– The app should work seamlessly on both Android and iOS devices.
8. Security:
– Ensure user data, specifically input birthdates, are managed securely with no data leaks.
9. Usability:
– The app should be easy to understand and use without the need for a manual.
10. Responsiveness:
– UI should adjust correctly to screens of various sizes and orientations.
## Technical Requirements
11. React Native and Expo:
– Utilize React Native for development and Expo for easy cross-platform deployment.
12. Environment Setup:
– Provide clear documentation for setting up the development environment.
13. Automated Testing:
– Include unit and integration tests to ensure app reliability.
14. Version Control:
– Use Git for version control to manage and track changes.
## Documentation
15. User Manual:
– Create a detailed user manual to help users navigate and use the app efficiently.
16. Development Guide:
– Ensure detailed documentation of the codebase to assist other developers in understanding and contributing to the project.
## Maintenance and Support
17. Bug Tracking:
– Establish a system for tracking and addressing bugs.
18. User Feedback:
– Implement a feature to collect user feedback and ratings.
By addressing these requirements, you will ensure the development of a robust, user-friendly Age Calculator app using React Native and Expo.
Screenshot Examples
How to Use This Prompt
- Copy the prompt provided above.
- Paste it into your preferred text editor.
- Review the functional and non-functional requirements.
- Use the requirements to guide your app development.
- Ensure to document your process as specified.
- Test the app thoroughly before deployment.
Tips for Best Results
- Accurate Age Calculation: Ensure the app calculates age correctly based on the input birthdate and current date.
- User-Friendly Input: Implement an intuitive date picker for users to easily select their birthdate.
- Responsive Design: Design the UI to adapt seamlessly to various screen sizes and orientations.
- Testing and Documentation: Include automated tests and comprehensive documentation for both users and developers.
FAQ
- What is the main function of the Age Calculator app?
The app calculates an individual's age based on their birthdate and the current date. - How should users input their birthdate?
Users can input their birthdates using a user-friendly date picker interface. - What age format should the app display?
The app should display age in years, months, and days after calculation. - What modes should the app support?
The app should provide options for both dark and light mode for user preference.
Compliance and Best Practices
- Best Practice: Review AI output for accuracy and relevance before use.
- Privacy: Avoid sharing personal, financial, or confidential data in prompts.
- Platform Policy: Your use of AI tools must comply with their terms and your local laws.
Revision History
- Version 1.0 (February 2026): Initial release.


