Alternatives
Products that do what Caffeine Half-Life Calculator does
Track how long caffeine stays in your body & optimize sleep
- 1
- 2
- 3CC
Hi guys! I would love to show you Caffeine Clock 2.0, a tracker I made that shows you your caffeine levels now and in the future, helping you have undisrupted sleep by timing your caffeine better. A bit of context - as a guy who drinks a lot of caffeine, I wanted to make a good caffeine tracking app for a long time, since nothing I found at the time was sufficient. I wanted to make an app that would be easy to use, show you exactly when you’d have enough caffeine to not have your sleep disrupted, and could add all the drinks I usually drink, for free. After several iterations, I am now…
Oct 2025 · caffeineclock.app
- 4
Know your caffeine level and when you'll be ready to sleep
Jun 2026 · apps.apple.com
- 5
- 6
- 7
- 8
- 9
Track caffeine intake, hydration, and master your sleep
Jan 2026 · apps.apple.com
- 10
- 11
- 12CA
Hey HN, I often don't know if I can have a coffee at 2pm and started logging my caffeine intake so I wouldn't be up until 2am. For me it was never as easy as a cut off time (ie stop coffee at 1pm) because I vary the amount and timing of my coffee day to day. I made an app that helps you stay in your custom 'daytime target range' and under your 'bedtime target' caffeine level. It can predict how much caffeine you'll have at bedtime and tell you what time your caffeine will be below a configurable sleepable level. I also added a feature that gives you a notification 30 minutes before you can…
2023 · apps.apple.com
- 13
- 14YN
2023 · garden.sparrow.zone
- 15
- 16
- 17
- 18
- 19
- 20
- 21GI
2022 · grams.io
- 22
- 23
browser extension to stop guessing your caffeine intake
May 2026 · 7brewwmenu.com
- 24CM
2021 · github.com
Ranked by how close each launch is in meaning, then by votes. Refine with a description →