Day One is a journaling app for the iPhone, iPad and Mac. From once-in-a-lifetime events to everyday moments, Day One’s elegant interface makes journaling your life a simple pleasure.

Day One launched on the iOS and Mac App Stores in 2011 to fill a need: record and store the important memories, photos, and details of life. The response to Day One has been overwhelming: Over ten million downloads, Editor’s Choice, App of the Year, Apple Design Award, and, most of all, a solid 4.8-star rating from our fantastic users.

Day One Products

iPhone and iPad

Journal on-the-go using your iOS devices. Never lose the context of “when, where, and what” with automatic date, time, location, weather, and motion activity metadata. Learn more.


This award-winning app is packed with powerful features, including a map view, quick entry menu bar, and timeline filters. Learn more.

Apple Watch

Day One Apple Watch is the fastest and easiest way to capture moments in life. Features include voice dictation and location check-in and all-day audio recording.


The Day One Team is a talented group of engineers and specialists, working remotely from across the world.

Feel free to contact Us.

Day One In The News

“Something so rare it feels almost sacred: A completely private digital space.”New York Times

“Day One makes keeping a journal delightfully easy.”Wired

“A simple and always accessible new kind of micro-journaling…”The Verge

“Keeping and looking back on a journal can be deeply rewarding, but it’s a tough habit to build. Instead try Day One, a journaling app that makes it easy to quickly record a few thoughts, along with a photo, every day.”Time Magazine

“If you’re looking for a fantastic journaling app, or a great app for logging and recording various events and milestones of your life, then by far and away the best pick is Day One.”The Sweet Setup

“This superb journaling app remains pleasant to behold, easy to use, and a tough act for any rival to follow.”Macworld

“A personal journal or diary is a wonderful way to keep track of personal growth, and the best way to do it on any Apple device—Mac, iPhone or iPad—is to use the Day One app.”Appleworld

“Day One raises the bar for improving upon the journal writing experience.”9 to 5 Mac

“Day One allows you to create a journal of your life, ranging from once-in-a-lifetime events to everyday moments.”MacRumors

“On any and all platforms, Day One shines at being an example of what premium software feels like.”MacStories


“Day One Journal… using it every day now.”Jack Dorsey, founder of Twitter and Square

“Makes journaling as easy as tweeting.”Cameron Moll, esteemed design and tech leader

“Day One is probably the most powerful app I have on my Mac and iOS devices…”Federico Viticci, MacStories

“I love Day One diary software as well because it syncs across computers and reminds me politely to record my life in little snippets.”Felicia Day, Actress and Producer

Additional Resources

To learn more about Day One, see these excellent resources.



  • Day One In Depth by Shawn Blanc and Others. A comprehensive guide to Day One, the best journaling app for iOS and Mac.
  • Starting from Day One by Bakari Chavanu. Using the Day One Journaling App to Record and Enrich Your Life.

Journal from here, there, everywhere.

Download the Day One journal app for free on iPhone, Android, iPad, Mac, and Apple Watch.

Journal from here there and everywhere mobile devices image.Journal from here there and everywhere mobile devices image.