If you're looking for an app to track your daily caffeine consumption, Meals.Chat could be the ticket. This AI-powered diet tracking tool not only can analyze photos or descriptions of meals to calculate calorie and macronutrient consumption, but it also can track caffeine levels in beverages. It's geared for people who want to track food consumption for various diet goals, so it could be a good way to monitor your daily consumption and work toward your health goals.
Another app you might consider is Conjure, an all-purpose tool for tracking habits and other behavior. It's got a lot more features, including a habit tracker with automatic and manual options, but it can also track other data and link to apps like Apple Health and Strava. If you want to track your caffeine consumption alongside other habits and other activities, this app could be worth a look.
Note that Habit Driven also has tools to track habits and behavior, including daily, weekly and monthly schedules. It offers personalized advice and insights through AI and automated journaling. It's geared more toward general habits and personal development, but you can use it to track your caffeine consumption along with other daily habits.