Certainly! Here are ten examples of mobile apps that you can create to practice React Native and Expo:

1. ToDo List App: Create a simple app for creating, managing, and deleting tasks or to-do items. Implement features like adding deadlines, priority levels, and task categorization.

2. Weather App: Build an app that fetches weather data from an API and displays current weather conditions, forecasts, and possibly weather alerts for a selected location.

3. Fitness Tracker: Develop an app that helps users track their fitness activities. It could include features like recording workouts, tracking steps, setting fitness goals, and monitoring progress.

4. Recipe App: Create an app that showcases recipes with categories, search functionality, favoriting recipes, and step-by-step cooking instructions.

5. Chat Application: Design a basic messaging app that allows users to send and receive text messages, images, or videos in real-time.

6. Expense Tracker: Build an app that enables users to track their expenses, categorize spending, set budgets, and generate reports or visualizations.

7. Flashcard App: Create an app for studying or learning various topics through flashcards. Users can create decks, flip through cards, and mark their confidence level with each card.

8. Music Player: Design a simple music player that can play audio files stored on the device, create playlists, and provide basic playback controls.

9. Movie/TV Show Database: Develop an app that fetches data from an API (like IMDB) to display information about movies or TV shows, including details, ratings, trailers, and reviews.

10. Language Learning App: Create an app for learning new languages, including features for vocabulary, quizzes, pronunciation exercises, and perhaps even a conversation practice mode.

These app ideas can help you practice a range of functionalities within React Native and Expo, such as handling API data, navigation, state management, UI/UX design, and more.

Certainly! Here are 10 more app ideas that you can create to practice React Native and Expo:

11. E-commerce App: Build a simple e-commerce platform with product listings, cart functionality, user authentication, and payment integration (using test payment gateways for practice).

12. Social Media Feed: Create a social media app that displays a feed of posts, allows users to create their posts, like, comment, and share content.

13. Job Search App: Develop an app that fetches job listings from an API and allows users to search, filter, save, and apply for jobs within the app.

14. Event Planner: Design an app that helps users plan and manage events. Include features like creating events, sending invites, managing RSVPs, and integrating calendars.

15. Pet Adoption App: Create an app for pet adoption, displaying information about pets available for adoption, filtering by type, breed, location, and facilitating the adoption process.

16. Task Management for Teams: Design a collaborative app for teams or groups to manage tasks, assign responsibilities, and track progress on shared projects.

17. Audio Recording and Playback: Create an app that records and plays audio, with features such as recording quality settings, playback controls, and the ability to save and share recordings.

18. Real Estate Listings: Build an app that displays real estate listings, including properties for sale or rent, with filters for location, price, property type, and other relevant details.

19. Meditation/Relaxation App: Develop an app that offers meditation sessions, relaxation techniques, soothing sounds, and customizable timers for relaxation exercises.

20. Trivia Quiz App: Create a quiz app with multiple-choice questions on various topics, allowing users to test their knowledge and track their scores over time.

These additional app ideas can further enhance your experience with React Native and Expo, providing opportunities to explore different functionalities and app development concepts.