Day One (app)
Day One is a personal journaling app available for Android, macOS, iOS, and Windows devices. The app includes features like data syncing with multiple devices; end-to-end encryption, Markdown authoring of entries; location, weather, date, time, and other automatic metadata; quick entry menu bar ; and reminders.
The application has been reviewed by Macworld, The Verge, Lifehacker and other tech websites. The Mac version of Day One was chosen as "Mac App of the Year" in 2012 by the Mac App Store and won an Apple Design Award in 2014 for being "super well-designed on OS X and being exactly what it needs to be and nothing more."
Day One was acquired by Automattic, the owner of WordPress.com, on June 14, 2021.
History
On February 4, 2016, the developers, Bloom Built, introduced Day One 2 for Mac and iOS, citing the release as a full app rebuild. The update introduced a visual overhaul and new features such as multiple journals and photos.In March 2025, Day One introduced a Windows version of the journaling app, available on the Microsoft Store.
Day One previously offered a service called Publish for publishing selected entries to a Day One-hosted webpage and sharing via Facebook, Twitter, Tumblr, and other social services.