Lunami — iOS app design & build: private period tracker
Aleksandr Borisov
Lunami is my own iOS app, now live on the App Store: a private period tracker with no account, data encrypted on the phone, clear cycle estimates, a Face ID lock and Apple Health sync. Built LATAM-first.
Landing page: appshift.xyz/lunami
The idea
Cycle data is some of the most personal data on a phone. Lunami keeps it there: no sign-up, nothing to sync to a server, and a Face ID lock on top. Estimates are always labelled as estimates.
What I built
Product and UX/UI design in Figma: calendar, daily log, cycle planner, Today and insights
iOS app with Expo + React Native, local-first with on-device encryption
Face ID lock and Apple Health integration
Localization for Spanish (Mexico), Portuguese (Brazil) and English
App Store listing with market-by-market keyword research and a 10-slide screenshot set with privacy as the hero
My role
Solo: product, design, iOS development and App Store preparation.
Logging, cycle planner and Today. Estimates are always shown as estimates. Designed in Figma, built with Expo + native Swift.
App Store page: keyword-first name and subtitle — 'private period tracker', 'PMS', 'cycle planner' — researched per market.
The full 10-slide screenshot set, with privacy as the hero. Localized for ES-MX, PT-BR and EN-US.
Want an app like this for your audience?
I design and build iOS apps for creators and coaches, live on the App Store in 21 days at a fixed price.
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Posted Oct 14, 2026
My iOS app, now on the App Store: a private cycle tracker, no account, data encrypted on the phone. Face ID lock, Apple Health. ES/PT/EN.
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