Both the Mac and iOS versions of Day One include an auto-bold function enabled by default.

We use an auto-title method that creates a bolded entry title only if the first line is less than 90 characters and is followed by a line break.

This setting can be changed on both iOS (mobile) and Mac:

  • In the iOS app, tap Settings > Appearance.

  • In the Mac app, tap Preferences > Appearance.

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