Cycle tracker & period predictions
AI cycle predictions that learn your rhythm instead of guessing from averages. Phase-aware advice, not horoscopes.
Hera reads your cycle, sleep, and energy each morning — then meets you where you are with cycle-synced movement, nutrition, and mindfulness. Five AI coaches. One body. Every day.
Five AI coaches that learn your cycle, sleep, and energy — then meet you exactly where you are today, with cycle-synced movement, nutrition, and mindfulness.
Nine scenes from the shipped iPhone build. Cycle, sleep, energy, nutrition, movement, mindfulness — read each morning and met where you are.
Each coach has a clear remit — the same body reads differently depending on which one you tap.
Workouts that meet your phase and last night's sleep.
Tracks the rhythm and tells you what each day asks for.
Plates and recipes tuned to the phase you're in.
Reads HealthKit, surfaces what recovered and what didn't.
Breathwork, sleep-down audio, short reflections.
Hera is part of a small independent iOS studio building AI-powered apps for everyday life. Privacy by default, on-device when possible.
Marmot Vox
Voice → Intelligence
Marmot Vault
Paper → Searchable
Códice
Bible · Spanish only
Marmot Build
Space → 3D + 2D
AI cycle predictions that learn your rhythm instead of guessing from averages. Phase-aware advice, not horoscopes.
Sleep coach that reads HealthKit data — HRV, sleep stages, recovery score — and recommends today's rest plan.
Energy coach for the days when you're at 40%. Suggests what to skip, what to soften, what to keep.
Fertility tracker with basal body temperature logging, ovulation prediction, and HealthKit cycle history.
Quick answers people search for before deciding to install.
Yes — Hera reads cycle, sleep, heart-rate variability, and energy data from HealthKit. Nothing is uploaded to any third-party server.
Hera's cycle-tracking and hormonal coaching are designed for women, but the sleep, energy, and emotional-wellness coaches work for anyone.
Yes. Everything runs locally on your iPhone. No login required to use the app, no telemetry uploaded by default.
Five AI wellness coaches (emotional, physical, energetic, nutritional, movement), cycle-synced movement and breathwork plans, and the daily wellness score.
English and Spanish. The app is iPhone-only and ships from the US App Store with Spanish localization for Latin American and European Spanish users.