Daylumen
Your health, in your days
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Daylumen reads your days — not just your steps.
Most health apps drown you in numbers and never tell you what any of it means for your life. Daylumen does the opposite. Using the iPhone already in your pocket (and your Apple Watch, if you have one), it quietly reads your days and gives you a clear, plain-language read on how you're really doing.
WHAT IT DOES
• Reads your days — activity, sleep, heart-rate measures, and the context of your days become one clear picture. No ring, no wristband, no daily logging.
• Tells you who you are — a living portrait of your patterns: your rhythm, how you recover, what throws you off.
• Shows up when it matters — an optional gentle morning note, only when there's something worth knowing. Never a nag.
• Helps you act — pick one thing to improve, watch it for two weeks, and see honestly whether it actually moved.
PRIVATE BY DESIGN
Everything is computed on your iPhone. Your health data and photos are never uploaded, sold, or shared. No account, no servers, no ads, no trackers. Deleting the app removes everything.
HONEST, NOT ALARMIST
When a signal is weak, Daylumen says so. It's a wellness read, not medical advice, and never pretends to know more than it does.
Your health lives in your days. Daylumen helps you see it.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The full Daylumen is here: one lifetime purchase, yours forever.
· The complete correlation atlas: dozens of signal pairs, who explains whom, on one screen.
· Watch more than one thing at a time, each with its own two-week experiment.
· Your full archive and monthly stories: everything it has learned about you.
· New: see how weather shapes your days (optional, powered by Apple Weather).
· The free app stays complete, and everything is still computed on your phone.
The developer, 江 吴, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 江 吴
- Size
- 19 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Daylumen Full (Lifetime) $14.99
- Copyright
- © 2026 Daylumen