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Clarity
Caffeine tracking app to optimise performance and sleep
# Fitness
Featured on : Nov 1. 2025
Featured on : Nov 1. 2025
What is Clarity?
Clarity is a caffeine tracking app that helps users understand caffeines effect on their body, visualise the peak and taper of it's effects to allow for strategic timing based on mental and physical tasks.
Problem
Users manually track caffeine intake with basic apps or notes, struggling to visualize caffeine's effects on their body and schedule consumption optimally, leading to suboptimal sleep or energy crashes.
Solution
A mobile app that tracks caffeine intake and visualizes its real-time effects via a timeline dashboard, enabling users to optimize intake timing for mental/physical tasks and sleep. Examples: log drinks, view caffeine 'peak' duration, and receive personalized timing recommendations.
Customers
Busy professionals, athletes, students, and health-conscious individuals seeking data-driven energy management, especially those balancing productivity and sleep hygiene.
Unique Features
Caffeine metabolism visualization using half-life calculations, task-based timing recommendations, and sleep impact predictions.
User Comments
Simplifies caffeine tracking with clean UI
Helps avoid afternoon crashes
Improves sleep patterns
Accurate effect timeline visualization
Lacks integration with wearables
Traction
Launched Jan 2024, 4.8/5 rating from 230+ Product Hunt reviews. Founder @tristanapp has 1.2K X followers. No disclosed revenue/user metrics.
Market Size
The global health & wellness app market reached $4.5 billion in 2023 (Grand View Research), with sleep optimization apps alone growing at 24.5% CAGR through 2030.