Caffeine tracker for iPhone

Caffeine tracker for iPhone with active caffeine and bedtime estimates

Brewlytics helps you log coffee, tea, and energy drinks, see today’s caffeine total, and estimate how much may still be active before you pour the next cup. Pro adds decay, bedtime projections, widgets, and weekly patterns.

Download for iPhone

Fast drink logging

Log espresso, lattes, cold brew, tea, matcha, yerba mate, energy drinks, and custom drinks with shot counts and editable caffeine amounts.

Daily total and remaining budget

Free Brewlytics shows how much caffeine you logged today against your daily limit, plus a timeline of drinks. Free widgets keep that daily number on the Home Screen.

Active caffeine and bedtime context

Pro estimates caffeine still remaining from logged drinks with a configurable half-life, then shows decay and an estimate of what may remain at the bedtime you set.

Brewlytics FAQ

What does Brewlytics track?

Brewlytics tracks caffeine from coffee, espresso drinks, tea, matcha, yerba mate, energy drinks, and custom drinks. It shows total caffeine today, remaining daily limit, and a timeline of logged drinks.

What is free in Brewlytics?

The free app includes quick drink logging, daily caffeine total and limit tracking, remaining daily budget, today’s timeline, custom daily limit, bedtime setting, and free widgets for daily intake.

What does Brewlytics Pro add?

Pro adds active caffeine and decay estimates, bedtime caffeine projections, weekly insights, bean and freshness tracking, smart alerts, and widgets that show active caffeine and bedtime estimates.

How does active caffeine work?

Brewlytics Pro estimates active caffeine with an exponential half-life model to approximate caffeine remaining from your logged drinks over time. It is a model, not a bodily measurement.

Does Brewlytics support iOS widgets?

Yes. Free widgets show daily caffeine intake against your limit. Pro widgets can show active caffeine, decay projections, daily intake, and estimated bedtime caffeine.

Can I fix a drink after logging it?

Yes. You can edit a drink’s caffeine and time, delete an incorrect entry, or save a custom drink with your own caffeine amount for reuse.

Does Brewlytics give medical advice?

No. Brewlytics provides informational caffeine estimates only. Individual caffeine sensitivity varies, so health decisions should be discussed with a qualified professional.