Independent iOS Apps
Appiworker
A small collection of thoughtful apps for language learning, puzzles, maps, memories, groceries, and social media workflows.
Installed Apps
Lingo Reactor
Push Mahjong
Earth Memory
Bestfor
Map Alarm
Hashtag AI
Made for iPhone
Warm and focused
Simple by design
The apps
Practical tools with a lighter touch.
Each app focuses on a clear job: helping you learn, think, remember, organize, or get where you are going.
Lingo Reactor - learn language
Learn languages naturally from podcasts and real conversations.
- AI transcriptions from podcasts and audio files
- Dual-language subtitles with word-by-word highlighting
- Save useful words and phrases to your wordbook
Push Mahjong-solitaire puzzle
Challenge your mind with this addictive Mahjong solitaire puzzle game.
- Traditional pair matching and removal gameplay
- Multiple difficulty levels
- Perfect for quick sessions and relaxed play
Bestfor
A grocery expiry tracker built for quick capture.
- Barcode scanning for fast item entry
- Camera-assisted expiry date capture
- Color-coded alerts and notifications
Hashtag AI Search Generator
AI-powered hashtag suggestions for social posts.
- AI-driven recommendations
- Predefined tag categories
- Favorites and custom tag management
Map Alarm
Location-based alarms for travel and daily routes.
- Place alarms directly on a map
- Get notified when you reach a destination
- Clean interface with no ads
Earth Memory
Record your movement and explore your personal map.
- GPS tracking for adventures
- Exploration progress on your world map
- GPX integration and local data storage
About the developer
Built by Ying Cai.
Ying Cai creates focused, user-friendly iOS apps, from language learning and puzzle games to practical utilities for everyday tasks.