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

There are two 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.
  • Apple ID. This option uses your Apple ID stored in your device Settings. Then we use Apple's service to get a unique token to create an account for you. We never actually receive your Apple ID email or password. 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 you have an existing account, choose "I have an account". If you need to set up an account, choose "Create new account"
  5. Day One account: Manually enter your Day One Sync login credentials. Apple ID: If you use Apple ID, Day One will use the stored information for iCloud in your device Settings.
  6. 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
  4. Enter your email address and password (Or choose to Sign In with Apple ID)
  5. Click Sign In
  6. Click Enable Sync

Choose 1 for signing in with Apple ID. Or manually enter your Day One account email address 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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