All recommendations for the app
Nice app, user friendly interface, cool reminders and insights.
Good for Caffeine addicted person
Very good app for tracking caffeine especially for the person who is addicted to caffeine

This app helps you track your caffeine intake and understand its impact on your sleep. It provides personalized insights into your caffeine metabolism, allowing you to build better habits and brew coffee like a pro. Syncs with Apple Health for comprehensive sleep analysis.
2.3.0
October 8, 2026
What's new in 2.3.0: MORE ACCESSIBLE • Better VoiceOver support throughout, including charts you can listen to with the Audio Graph • Brew timers read out the time remaining and announce each phase of a guided pull • Clearer text colors in every theme, and gentler motion when Reduce Motion is on • Text and buttons adapt better to larger text sizes NEW: ASSISTIVE ACCESS • Doppio now has its own simplified experience in Assistive Access — check your day, log a drink, or remove one, a single clear step at a time YOUR COFFEE SHELF (DOPPIO PRO) • Take a photo of a bag with your camera • Note how each bag is stored — the freshness estimate follows • Archive bags you've finished instead of deleting them AT A GLANCE • The small caffeine widget is now built for StandBy, and the brew timer fills the screen there too • Home shows your bedtime forecast right under the gauge when tonight's caffeine is running high • The gauge now says "mg in your body", so the big number is clear AND KOREAN • Doppio is now available in Korean Thanks for using Doppio!
MoreYearly subscription
Doppio is a native caffeine tracker that estimates your current caffeine levels and how they fade over time. It helps you understand how coffee affects your sleep and build better habits.
No, Doppio is ad-free. The description explicitly states 'No ads, ever.'
Caffeine figures in Doppio are estimates derived from a standard half-life model adjusted by user-provided information during setup. It does not use real-time physiological data.
Yes, Doppio offers two-way caffeine sync with Apple Health. You can log your caffeine intake to Health or import caffeine data already present in Health, including from your Apple Watch.
Doppio Pro offers advanced features like Caffeine Insights with bedtime forecasts, Caffeine & Sleep Insights to correlate sleep scores with caffeine intake, a Detox Planner, Saved Brews, a Coffee Shelf, and additional app themes and widgets.
Doppio Pro is available as a yearly subscription for $4.99, which includes a 1-year free trial, or as a one-time lifetime purchase. The core functions of Doppio are free forever.
Doppio is currently supported on iPhone. It utilizes iCloud for syncing across your Apple devices.
The latest version of Doppio is 2.2.2, and it was last updated on September 30, 2026. This indicates a relatively frequent update cycle.