Alternatives

Products that do what Caff.ai a Caffeine Manager for better sleep and more energy does

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…

1CC
Caffeine Clock – A beautiful and accurate caffeine tracker app▲14
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
2
Caffeine▲462
Keep your Mac from going to sleep
2014
3
CoffeePolice▲3
Caffeine isn't the problem
Feb 2026 · coffeepolice.net
4
CaffeineLog▲173
Record and manage your daily caffeine
2024
5
Caffeine▲119
Track your daily caffeine intake with ease
2016
6
Caffy: Caffeine & Sleep▲4
Know your caffeine level and when you'll be ready to sleep
Jun 2026 · apps.apple.com
7
Open Caffeine▲164
Keep your Mac awake
Jun 2026 · github.com
8
Caffeine Curfew iOS App▲106
Track caffeine intake, hydration, and master your sleep
Jan 2026 · apps.apple.com
9
Coffee Cutoff▲3
Know when to stop caffeine before bed.
May 2026 · apps.apple.com
10
Clarity▲238
Caffeine tracking to optimize your intake
Dec 2025
11
UP Coffee▲82
via Jawbone Labs: understand how caffeine affects your sleep
2014
12YN
You Need Less Caffeine Than You Think▲34
2023 · garden.sparrow.zone
13
Astrocat - Coffee Tracker▲156
Track your caffeine intake on your AppleWatch
2023
14
Coffee▲356
A tiny time tracker for your next big project
2022
15
Alyx: Caffeine Kit▲172
A caffeine tracker with attitude and no accountability
Sep 2025
16
Caffeinated▲108
Keeps your Mac awake.
2020
17
Better Caffeine Habits▲1
We are bringing an app for better caffeine habits
Jan 2026 · apps.apple.com
18CM
Caffeine – Minimum viable back end for prototyping▲206
2021 · github.com
19
Ground Control▲133
Master your caffeine intake
2023
20
I'm Sleepy▲120
Bedtime sleep calculator for better mornings
2023
21
Brewtime 3.0▲84
Smart coffee timer and app for coffee enthusiasts
2019
22
Caffeine Half-Life Calculator▲5
Track caffeine decay in your body instantly
Nov 2025
23PY
Prevent your computer sleeping with just a webpage▲252
There's often times I want to prevent a computer/laptop/VM from sleeping and while, yes, there's various Caffeine/Amphetamine apps they're often overkill. Instead, this small (12Kb) page does the job and only needs a web browser. It's just a very simple usage of a web api normally used for things like video players: https://developer.mozilla.org/en-US/docs/Web/API/Screen_Wake...
2022 · nosleep.page
24
Decaf: Caffeine Tracker▲4
Cut back on caffeine without the withdrawal crash
Jun 2026 · apps.apple.com

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