Mood Symptom Tracker: Meridian
Sleep, energy & pain patterns
About
This app helps you understand your well-being by tracking mood, sleep, energy, and physical symptoms. It identifies patterns and correlations to provide insights into what affects your health, offering a private and gentle daily check-in.
What's New in Mood Symptom Tracker
1.2.8
July 22, 2026
Clearer Pro description — plus small fixes throughout.
In-App Purchases
$9.99
Meridian Pro
Full network, predictions, history & export
Developer apps
FAQ
What can I track with Meridian?
Meridian allows you to track your mood, sleep quality, energy levels, and physical symptoms like headaches or pain. You can also add custom signals that matter to you for personalized tracking.
How does Meridian help me understand my health?
Meridian connects your logged data to reveal patterns and correlations, such as how sleep affects your energy or what triggers your low mood. This insight helps you understand what influences your wellbeing without manual analysis.
Is Meridian private and secure?
Yes, Meridian is designed for privacy. Your health journal stays on your device, requiring no account and collecting no data. It is also ad-free, ensuring your information is not harvested.
How often do I need to use Meridian?
Meridian offers a gentle, quick daily check-in, designed to be non-intrusive. It focuses on providing long-term insights rather than demanding constant attention or maintaining streaks.
What devices does Meridian support?
Meridian is available for iPhone and iPad, supporting both portrait and landscape orientations for a comfortable user experience.
What is the age rating for Meridian?
Meridian has an age rating of 4+, making it suitable for a wide range of users interested in tracking their health and mood.
How does Meridian compare to other mood trackers?
Unlike trackers that only collect data, Meridian actively finds patterns and correlations, turning raw data into actionable insights. It prioritizes privacy and a calm user experience over gamification or social features.
Is Meridian free to use?
Yes, Meridian is available for free. It does not contain advertisements and focuses on providing valuable insights into your health and mood.