Syncing is available between devices with Plus* or Premium user status. See pricing.

There are 2 ways to sign into Day One:

  • Day One account. This is an account you manually set up with an email and a password of your choosing. See here on how to create a Day One account.
  • Sign in with Apple. This is new as of version 5.0 on iOS and 4.16 on Mac. This option is just the updated version of the previous way of using Apple ID. See here.

Generally speaking, users should always choose the same login option on all devices so that they are using the same account. If you end up with multiple accounts, there is a way to "merge" them. See here

iOS

Sign In

  1. Open Day One
  2. Tap Settings
  3. Tap Sign In
  4. If login credentials from Safari have been saved to Keychain, you will see a list of login options. Choose the desired account to sign in. Or, tap Cancel to exit this view to choose Sign in with Apple or Other options to sign in with Day One account (email and password).
  5. Tap Enable Sync on the popup. 

Sign Out

  1. Open Day One
  2. Tap Settings
  3. Tap your account (Name, email) at the top.
  4. Tap Sign Out.

macOS

Sign In

  1. Open Day One and click Day One > Preferences in the file menu.
  2. Click the Sync tab.
  3. Click Sign In

There are two options to sign into Sync. Click the option to Sign in with Apple if you use this method. If Touch ID is not available on the Mac, use the password to unlock the Mac to authenticate.

Or click Other options... to manually sign into a standard Day One account with email and password.

Sign Out

  1. Open Day One and click Day One > Preferences in the file menu.
  2. Click the Sync tab.
  3. Click Sign Out and then click to Stop Syncing.

Android

  1. Open Day One on Android and open the navigation drawer
  2. Tap Settings
  3. Tap Account
  4. Tap Sign Out.
  5. Tap Yes
  6. Tap Account/Sign In > Existing User > Day One Account
  7. Manually enter your Day One Sync login credentials. 
  8. Tap Enable Sync on the popup. 

After completing the above steps, Day One should have the same data on all devices.

*Plus is a per-platform account status based on the purchase history of Day One. A purchase of Day One iOS ($4.99 USD) and Day One macOS ($39.99 USD) between February 4, 2016 and June 27, 2017 is required to have Plus in Day One on both iOS and Mac. If only one purchase was made, you will have Plus on that platform only. 

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