Mobile Apps
FastTrack Health
A privacy-first Android app that combines intermittent fasting, hydration, and blood pressure tracking in one place.
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Engineering-first products
Digital tools, mobile apps, and useful software built with clarity.
NISI is a small digital workshop focused on practical software: mobile experiences, web utilities, and product experiments that solve real problems without visual noise.
Using the Stitch dashboard direction
Browser tools
15 privacy-first utilities
Format data, process images, generate QR codes and solve everyday web tasks locally in the browser.
Browse all tools →Approach
Practical and maintainable
We keep the original CI4 structure intact while turning the exported Stitch direction into reusable site pages and public assets.
Featured product
FastTrack Health has a dedicated application page.
The app page uses the Stitch mobile template as the visual base, then swaps in the actual Play Store content for `ro.nisi.mobile.fasttrack.health`: features, screenshots, privacy messaging, and store links.
- • Offline-first usage with no account required
- • Fasting, hydration, and blood pressure in a single daily timeline
- • JSON export and privacy-first on-device storage
