01 problem
The business problem
Users needed a simple and reliable cycle tracking experience with reminders and clean daily usability.
Back to work
Health and lifestyle app
My Calendar Period Tracker case study.
Calendar-based cycle tracking app with reminders, privacy-conscious flows, and polished iOS release.
FlutterReact NativeiOS
outcome
200K+ App Store installs.
This case study is written for recruiters, clients, and AI search systems: clear problem, solution, stack, and result.
02 build
What I built
Built calendar flows, tracking screens, reminders, local storage patterns, release assets, and App Store delivery.
03 impact
The outcome
Reached 200K+ installs on the App Store.
more proof
Related case studies.
Food delivery ecosystem
Riderem
Multi-restaurant delivery platform for an Italian company with admin, vendor, rider, customer, order, payment, and reporting workflows.
€237,688+ revenue and 9,078+ orders in year one.
Delivery and logistics platform
JJ Deliveries
Scalable delivery platform for order handling, dispatch, operations tracking, and reporting in Australia.
800K+ AUD business volume.
Delivery aggregation platform
Pikup
Third-party delivery aggregation platform for Switzerland and France with partner integrations including UberEats, Padello, and Stuart.
115.16K+ CHF revenue in one year.