Caffeine tracking, but like, make it sorta fun.

Alyx helps you log caffeine, visualize its impacts, and see how it affects your sleep. It may help you rethink that third espresso. Or, encourage you to drink several more. There's really no way to know.

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A little more about Alyx

An iPhone caffeine tracker for people who want more than a running total.

Alyx is designed for people who want caffeine tracking to feel clear, friendly, and fast. You can log familiar drinks quickly, check what is still active later tonight, and get useful context without turning the app into homework.

If you are looking for a caffeine tracker for iPhone, a coffee tracker on iOS, or a quick way to log coffee and see how it might affect sleep, Alyx is built for that exact use case.

Log coffee on iOS in seconds

Use familiar drinks, quick actions, and fast logging flows so coffee, espresso, tea, and energy drinks do not turn into a chore to record.

See caffeine at bedtime

Alyx estimates how much caffeine may still be in your body later tonight, which makes the app useful when you want to connect daytime habits to sleep.

Built around Siri, widgets, and Shortcuts

The app is designed for iPhone features that make logging faster, including widgets, App Intents, Shortcuts, and other native iOS entry points.

What you can track

From morning espresso to late-night pre-workout.

Use Alyx to log coffee on iPhone whether it comes from espresso shots, cold brew, tea, soda, energy drinks, or custom drinks. It stays flexible when your habits are not limited to coffee.

Everyday drinks

Coffee, espresso, tea, and more

Log the common stuff fast, from espresso shots to cold brew, tea, soda, and more.

When labels get weird

Custom drinks

If the label is vague or the drink is custom, Alyx still lets you record it without overthinking the math.

Track across

Common drink types

Espresso Cold Brew Tea Soda Energy Custom

Feels native, because it is.

Quick enough to use daily, not just admire once.

Alyx is built around the way people actually use iPhone during the day: quick taps, glanceable widgets, Siri, Shortcuts, and lightweight flows that make logging caffeine feel easy enough to repeat.

Open and log

Fast enough for everyday use

Quick add flows stay short, so repeated logging feels realistic on a busy day.

Native entry

Made for iPhone habits

Widgets, Siri, and Shortcuts make it easy to log from places you already use.

Quick entry points

ways to log from around iPhone

Widgets Siri Shortcuts App Intents

Sleep and timing

Track caffeine now, not just after the fact.

Alyx estimates how much caffeine is active in your system, shows how it should taper off over time, and helps you see what may still be around at bedtime. That makes it useful as both an iPhone caffeine tracker and a decision tool for later in the day.

Caffeine burndown

See how your intake should decline across the next few hours instead of guessing.

Bedtime estimate

Check whether that late drink is likely to still be hanging around when you want to sleep.

Last Call guidance

Use Alyx when you want more than a simple log and need context around timing, not just totals.

Inside Alyx

See Alyx in action on iPhone.

The app combines quick logging, caffeine burndown, widgets, Shortcuts, Visual Lookup, and Apple Intelligence features so the experience stays useful whether you are checking a trend or recording a drink in a hurry.

Alyx main dashboard with caffeine activity and logging controls on iPhone — Dashboard

See active caffeine in your system and jump into logging from the main app.

Alyx Visual Lookup integration on iPhone for identifying and logging caffeinated drinks — Visual Lookup

Identify a drink from an image and turn that into a faster logging flow.

Alyx iPhone widget for quick caffeine tracking and logging — Widgets

Quick logging and glanceable caffeine data from the Home Screen.

Alyx Shortcuts actions on iPhone for logging espresso shots and caffeine — Shortcuts

Log caffeine from more places than the app alone through App Intents and Shortcuts.

Alyx Apple Intelligence assisted drink logging on iPhone — Apple Intelligence

Describe a drink and let Alyx help infer the caffeine details.

Alyx interface design on iPhone with fluid glass controls and caffeine charts — Interface details

The app keeps the playful visual character even when the data gets more detailed.

FAQ

Questions people ask before downloading a coffee tracker for iPhone.

The short version: Alyx is for people who want to log coffee on iOS quickly, but also want better context around sleep, caffeine timing, and everyday habits.

Is Alyx a coffee tracker or a full caffeine tracker for iPhone?

Both. Alyx works as a coffee tracker on iPhone, but it also handles espresso, tea, soda, energy drinks, pre-workout, and custom drinks.

Can I log coffee on iOS without estimating caffeine myself every time?

Yes. Alyx is designed for fast repeat logging with common drinks, quick actions, and flexible options when you need to record something custom.

Can Alyx help me understand how caffeine may affect sleep?

Alyx estimates how much caffeine may still be in your system at bedtime, shows burndown over time, and helps you see the timing side of your intake.

Does Alyx work with widgets, Siri, and Shortcuts on iPhone?

Yes. Alyx is built around native iOS workflows including widgets, Siri, Shortcuts, and App Intents so logging caffeine is faster than a generic notes app or spreadsheet.