Halflife: Caffeine Tracker
Android app by TigerBrandsGlobal. Health & Fitness · TigerBrandsGlobal
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0
- Listing last refreshed
- 2026-09-13
View the original store listing
Store description excerpt
One question decides your sleep: how much caffeine will still be in your system at bedtime? Halflife answers it in three taps. - Tap a drink (espresso 63mg, coffee 95mg, cold brew, matcha, energy, tea, custom) - See your live caffeine curve for the whole day - "At bedtime: 43mg. Sleep-safe." Or not - Last-cup cutoff time, computed for you The feature others skip: a PERSONAL half-life setting. Average is 5 hours, but oral contraceptives add ~50%, pregnancy roughly doubles it, slow metabolizers run 9+ hours. Generic curves are wrong by hours. Yours won't be. Full drink library included free. No account. No ads. Works offline, so a crash can never eat your data. Estimates for information only, not medical advice
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