Features & Capabilities

Track your intake, see your caffeine curve, and find out when you’ll actually be clear for sleep. Free, no ads, no sign-up.

You’re probably still caffeinated.

PreFix: Stim Check helps you track how much caffeine is still active in your system—and when you’ll actually come down.

Most people guess when caffeine wears off. This tool shows you.

Log your coffee, pre-workout, or energy drinks and visualize your caffeine levels over time based on your body weight and caffeine half-life.

See exactly when you drop below a sleep-safe threshold so you can better manage timing, performance, and recovery.

Features:

Log caffeine intake (coffee, pre-workout, energy drinks) Visualize your caffeine curve throughout the day See how much caffeine is still active in your system Get a “clear by” time for when levels drop Simple, fast, and easy to use

Built for lifters, athletes, and anyone trying to better understand their caffeine habits.

Free. No ads. No signup.

This app provides estimates based on average caffeine metabolism and is not medical advice.

User Growth & Download Statistics

App
By:
Edward Nepomuceno
Rating:
5.00
(5)
Version:
1.0.1 Last updated: 2026-04-27
Version code:
884959407
Creation date:
2026-04-16
Compatible devices:
Size:
27.64MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-10
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Edward Nepomuceno
Apple Apps Store
https://apps.apple.com/us/app/stim-check/id6761864466
Website:
https://www.getyourprefix.com/

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