Calm card game
Still13
Pyramid Solitaire with calm modes, readable cards, hints, stats, sound, and no account or ads.
Independent app studio
iPhone, iPad, and Mac-friendly tools
Small, focused apps for everyday use.
Zhen Chyi Apps builds calm, privacy-minded apps for screenshot notes, packing lists, card games, travel moods, and App Store ranking checks. Public apps come first here, with clear download, privacy, and support links.
Available apps
Download, open details, or check privacy quickly.
Screenshot notes
ShotMark
Save screenshots with notes, folders, OCR search, export, and optional iCloud sync.
Packing lists
IsoPack
Trip packing with presets, templates, progress tracking, offline use, and Pro iCloud sync.
App Store ranking checks
RankHalo
Check App Store rankings across countries, categories, and subcategories in a focused tracker.
Coming soon / in development
Public pages are available; App Store downloads are not live yet.
Travel moods
Wanderly
A travel mood app in development for weather, local time, place search, and ambient sound.
Car feel notes
CarSense
A car feel journal in development for steering, throttle, ride, and ownership impressions.
Internal tools
Documented for support and privacy clarity.
YH
Internal app
Internal knowledge hub
Y.E.S Hub
An internal iPad knowledge hub for agency training materials, saved references, and quick lookup.
Support
One support path
Questions, bug reports, purchase help, and privacy questions all start from the same support page.