{"id":658,"date":"2026-01-27T09:22:04","date_gmt":"2026-01-27T09:22:04","guid":{"rendered":"https:\/\/all-battery.co.uk\/blog\/?p=658"},"modified":"2026-01-27T09:22:05","modified_gmt":"2026-01-27T09:22:05","slug":"new-caffeine-tracker-app-brings-blood-caffeine-estimates-to-garmin-smartwatches","status":"publish","type":"post","link":"https:\/\/all-battery.co.uk\/blog\/archives\/658","title":{"rendered":"New \u201cCaffeine Tracker\u201d App Brings Blood-Caffeine Estimates to Garmin Smartwatches"},"content":{"rendered":"\n

Garmin<\/a> already offers basic lifestyle tracking for metrics such as caffeine consumption, but a new third-party app provides more detailed insights, including estimated blood-caffeine levels. Called Caffeine Tracker, the app was developed by Ond\u0159ej Bo\u017eek and includes a widget for quick access. It supports a wide range of Garmin smartwatches, including many Forerunner and Fenix models.<\/p>\n\n\n

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Users can log caffeinated drinks such as coffee or cola directly from their watch, without needing a smartphone. Based on body weight and caffeine\u2019s biological half-life, the app estimates current blood-caffeine concentration and displays the data in both a simple overview and a detailed chart.<\/p>\n\n\n\n

>>><\/a>Battery replaces 361-00145-00 for Garmin Fenix 7S<\/a><\/p>\n\n\n\n

Caffeine Tracker is free to use, with optional premium features available through a one-time purchase of \u20ac4.90 (about $5.80). The paid version adds adjustable caffeine half-life settings, advanced daily statistics, and a customizable lower caffeine threshold to help avoid late-day intake that could disrupt sleep.<\/p>\n","protected":false},"excerpt":{"rendered":"

Garmin already offers basic lifestyle tracking for metrics such as caffeine consumption, but a new third-party app provides more detailed insights, including estimated blood-caffeine levels. 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