Sessei - health habits tracker

Water - Fasting - Supplements

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Sessei is a calm, local-first tracker for the three habits that make the rest of your wellness routine work: drinking enough water, sticking to your fasting window, and remembering your daily supplements. No account. No cloud. No tracking. Your data stays on your device. — WATER — Log drinks in two taps from the home screen, the Add sheet, or a home-screen widget. Eight drink types are built in with research-backed hydration coefficients, so a coffee or a glass of wine doesn't quietly inflate your daily total. Quick-add presets remember your usual sizes and drink types. — FASTING — A clean, focused timer for intermittent fasting. Pick a window from 12:12 to 23:1 and tap to start. The ring evolves through ten phases — from glycogen burn through autophagy to extended fasting — with a personalised autophagy estimate tied to your profile. A flame marks where autophagy is generally observed. Tap to learn more about the science. — SUPPLEMENTS — Add supplements from a curated catalog of ~50 vitamins, minerals and common stack items, or scan a label with the camera. Daily and weekly cadences. Tap to log, swipe to deactivate. The app gently nudges you when something is due based on timing hints (with-meal, fasted, evening, etc.). — INSIGHTS — Day, week and month views per category. Swipe horizontally to scrub through history. See your weekly hydration cadence, fasting consistency, and supplement adherence at a glance. — HOME-SCREEN WIDGET — Three sizes. The small widget is water at-a-glance plus a +50 and +250 mL quick-log button. The medium widget shows water and your current fast side by side. The large widget adds supplements still to take today. — PRIVATE BY DESIGN — Everything you log lives in a local database on your iPhone. There is no Sessei account, no analytics, no third-party SDK collecting your data. The optional Apple Health integration is two-way and entirely under your control — turn it on or off in Profile at any time. — PRICING — Free 7-day trial unlocks every feature. After the trial, water and fasting stay free forever. The Supplements module requires a one-time Premium purchase — no subscription, no recurring fee, no expiry. Restore Purchases is available in the paywall if you change devices. — DESIGN NOTES — Sage palette, copper accents, generous whitespace. Built for iOS 17 — interactive widgets, Live Activities-ready, Dark Mode throughout. The app respects Reduce Motion and uses Dynamic Type everywhere. — WHAT SESSEI WILL NOT DO — No streaks-as-shame. No alarm-bell notifications. No "you missed yesterday" guilt copy. The tone is supportive, the data is yours, and the goal is to make showing up easier — not noisier. Support: feedback@sessei.app Privacy Policy: https://sessei.app/privacy

Ratings & Reviews

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Smarter reminders, sharper Insights, more amino acids. • Water reminders now use elapsed-time pacing. If you're ahead of pace for the day, the app stays quiet — even between fires. • Insights → Supplements: focusing on a supplement now aggregates its full history, including entries from earlier deactivated or re-added versions. Vitamin C logged before a brand switch is no longer invisible. • Edit-intake sheet: clearer layout with a full calendar for the date and a wheel for the time. The sheet no longer dismisses unexpectedly when you tap outside — Cancel or Save are the only ways out. • Default catalogue: L-Lysine and L-Arginine added under Amino acids, each with dose guidance and safety notes.

Version 1.0.1

The developer, Benjamin Christmann, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Benjamin Christmann
    Size
    • 4.5 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    9+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Sessei
  • Developer Website
  • Privacy Policy

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