HiCoffee is an exceptional caffeine tracking app that effortlessly allows you to log your daily caffeine intake. Packed with data for a multitude of popular beverages, HiCoffee also boasts a unique Caffeine Calculator, capable of accurately estimating the caffeine content in your homemade espresso or pour-over coffee¹.

By evaluating your caffeine sensitivity, HiCoffee tailors a daily caffeine limit just for you, offering personalized advice. It empowers you to boost your productivity while ensuring a balanced caffeine intake, safeguarding your night-time sleep. HiCoffee also supports the correlation analysis of your long-term resting heart rate and sleep duration, providing insightful revelations about caffeine's potential impact on your health².

HiCoffee seamlessly integrates with the system's latest features, such as interactive widgets, shortcuts, health data sync, and more. With its robust iCloud sync feature, you can use HiCoffee across multiple devices with confidence. Even offline, HiCoffee operates smoothly, automatically merging data once connectivity is restored. Its superior Apple Watch app and watch faces further elevate your experience.

HiCoffee is fully accessible, supporting dynamic font size and VoiceOver features.

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** App Store Recommendations and Honors³ **

- In 2020, HiCoffee was featured in "Best of March" and "Fresh Apps".
- In 2021, it was spotlighted as "App of the Day" and recommended in "Say Goodbye to Fatigue", "A Cup of Coffee for a Good Mood", and "Health Assistant on Your Wrist".
- In 2022, it was highlighted in the "Optimized for Accessibility" section.
- In 2023, HiCoffee was mentioned in the WWDC 2023 keynote and again spotlighted as "App of the Day". It was also featured in "iOS 17 Selected Apps" and "Interactive Widgets".

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** Premium Membership and Subscription **
HiCoffee can be used for free in its basic version, but you can choose to upgrade to the premium version to unlock all features. The auto-renewable subscription for premium membership can be found in the app's settings page, and prices may vary by region. The payment will be charged to your App Store account after your confirmation. The subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions can be managed and cancelled at any time in your App Store account settings after purchase.

** Policies and Terms **
Privacy Policy: https://gongzhang.io/app/hicoffee/en/privacy
Terms of Use: https://gongzhang.io/app/hicoffee/en/terms

** Technical Support **
If you encounter any problems, please contact me through the app's Settings > Contact and Support > Email page. You can also directly email hicoffee@gongzhang.zendesk.com for support.

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** Notes **
¹ Features like brand beverage data and the Caffeine Calculator may require a premium membership.
² The health correlation analysis feature requires the use of iOS health data and sufficient resting heart rate and sleep duration data recorded through Apple Watch or other supported devices.
³ Past App Store recommendations may only be visible in certain regions.