Know your last cup. Caffeine Cutoff shows how much caffeine is in you right now, when it will be low enough for sleep, and the latest time you can have your usual coffee and still sleep well tonight. One purchase in the store and it's all yours: no Premium, no code to buy on a website, no trial, no subscription, no account. - Log a drink in two presses: open it from the glance and it's on your usual drink, START, done. Your most-used drinks come first - Flat white, latte, espresso, double espresso, filter and instant coffee, tea, green tea, energy drinks, cola, pre-workout, caffeine gels and tablets, or any amount from 5 to 600 mg. Change any drink's amount, or hide it - Forgot one? Add a drink from earlier, or change or delete a recent one - Your cutoff: "LAST CUP BY 13:31", the latest time your usual drink keeps you under your sleep-safe level from bedtime on. Other apps charge extra for this - Pick a drink and it tells you, before you have it, when you'd be sleep-safe with it - The caffeine in milligrams (not mg/L), rising as a drink goes in (with its peak) and falling with your half-life - A graph of today and tonight, from waking to waking, with your bedtime and your sleep-safe level marked - Today's total against your daily limit (400 mg, the EFSA and FDA figure for healthy adults; change it), with a buzz when you go over, and your last 7 days - A glance with your caffeine and your sleep-safe time - Four complications for watch faces that show them (Face It's too): caffeine now, sleep-safe at, caffeine today, last cup by. Kept up to date in the background every 15 minutes, never overnight - Your half-life (2 to 15 hours, 5 to start), your weight and bedtime from your watch (or your own), all in the settings on the watch or in Garmin Connect - Every word checked to fit every screen - Runs on over 70 Garmin watches: Forerunner, fēnix, epix, Enduro, Venu, vívoactive, Instinct, Approach, D2, Descent and MARQ How it works: a standard model of caffeine in the body (one compartment), with 99% of each drink absorbed within 45 minutes and your half-life taking it away. Your sleep-safe level starts at 0.7 mg per kg of your weight, half the dose EFSA says can disturb sleep near bedtime; a Strict setting follows a 2023 review of 24 studies instead. To see it in your glances: from the watch face, scroll the glances, choose Edit, then Add, and pick Caffeine Cutoff. Caffeine Cutoff gives estimates from a model, not measurements, and it isn't medical advice. People clear caffeine at very different speeds: smoking makes it faster, the pill and pregnancy slower. If you're pregnant, EFSA advises 200 mg a day at most. Want the whole evening covered? Bedtime Cutoffs, from the same maker, counts down the 10-3-2-1-0 routine: caffeine, last meal, work, screens and no snoozing. Caffeine Cutoff doesn't need it. Caffeine Cutoff collects no data, needs no phone connection and never goes online. Everything stays on your watch.

Now in English only, and a smaller download.