Sera

Introductions Sera

Sera is a modern, elegant menstrual and cycle tracking app built for women and their partners. With a soft design and private, code-based sharing, Sera keeps your health data simple, local, and always in your control.

🌸 For Women

Track periods, pain, intercourse, moods, and symptoms in a beautiful calendar.

Get smart cycle predictions powered by on-device algorithms, not the cloud.

Record satisfaction, notes, and advanced details with ease.

🤝 For Partners

Join via a simple code—no accounts, no sign-ups.

See shared cycle information and support without overstepping privacy.

Respectful view: private satisfaction stays hidden unless made public.

📅 Features

Elegant monthly calendar with hearts, badges, and pain indicators.

Local-only predictions: menstruation, fertile window, ovulation.

Quick daily logs: periods, intercourse, pain, quizzes, and energy.

Gentle statistics: averages, streaks, and highlights at a glance.

Export/import plain JSON backups.

Choose from 4 languages: English, Czech, Russian, German.

Themes: light, dark, system, or high-contrast.

Accessibility first: TalkBack labels, color-blind safe palette, large hit areas.

✨ Why Sera?
Unlike many trackers, Sera avoids accounts, ads, or clutter. It uses one simple document per room with optional partner sharing. All predictions are computed locally on your device—private, accurate, and yours alone