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Ship cross-platform mobile apps with React Native and Expo. Cover gestures, offline-first, device APIs, and app store deployment.
Build a mobile expense tracking app with category-based spending, pie/bar charts, monthly budgets, recurring expenses, and export to CSV functionality.
Build a daily habit tracking app with streak counting, reminder notifications, progress charts, weekly/monthly views, and motivational milestones.
Build a spaced repetition flashcard app with swipe gestures (know/don't know), deck management, progress tracking, and the SM-2 algorithm for optimal review scheduling.
Build a notes app with rich text editing, folder organization, full-text search, pinned notes, tags, and cloud sync capabilities.
Build an app to manage multiple countdown timers for events (birthdays, holidays, deadlines) with custom backgrounds, sharing, and home screen widgets.
Build a QR code scanner and generator app with camera integration, scan history, custom QR generation (URL, text, WiFi, vCard), and batch scanning.
Build a beautiful music player interface with album art display, playback controls, progress scrubbing, playlist management, and gesture-based interactions.
Build a photo editing app with camera capture, preset filters (vintage, noir, warm), brightness/contrast/saturation sliders, and save/share functionality.
Build a daily mood tracking journal with mood selection (emoji-based), notes, calendar view, mood trends over time, and insights like most productive days.
Build a comprehensive unit converter app supporting length, weight, temperature, currency (live rates), speed, and more. Include favorites and conversion history.
Build a complete food delivery app UI with restaurant browsing, menu viewing, cart management, order tracking with map, and smooth animations throughout.
Build a fitness app with an exercise library, custom workout builder, workout timer with rest intervals, progress tracking, and body measurement logging.
Build an offline-capable todo app that works without internet and syncs when connectivity is restored. Handle conflict resolution for concurrent edits.
Build an interactive map app with custom markers, route planning, location search with geocoding, offline map tiles, and points of interest clustering.
Implement a complete push notification system with rich notifications (images, actions), notification categories, scheduling, deep linking, and preference management.
Implement biometric authentication with Face ID and fingerprint support, fallback PIN, secure token storage, and auto-lock with configurable timeout.
Build an Instagram-like stories feature with timed slide progression, tap/swipe navigation, progress indicators, image/video support, and story creation.
Build an augmented reality business card viewer that detects a physical card via camera and overlays interactive 3D content, links, and contact information.
Build a chat app that works seamlessly offline, queuing messages for delivery when online. Handle message ordering, conflict resolution, and sync indicators.
Build a mobile video editor with trimming, merging clips, adding text overlays and music tracks, applying filters, and exporting the final video.
Build a health dashboard that integrates with device health APIs (steps, heart rate, sleep) and displays comprehensive charts, goals, and trend analysis.
Build a single app that runs on iOS, Android, and Web from one codebase. Handle platform-specific UI patterns, navigation, and responsive layouts.
Build a reusable animation primitives library with spring physics, gesture-driven animations, layout transitions, shared element transitions, and configurable presets.
Build a full App Store browsing experience with featured apps, categories, search, app detail pages with screenshots, ratings, reviews, and deep linking.
Integrate payment processing with Stripe and in-app purchases. Build subscription management, payment history, receipt validation, and refund handling.