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Tap the + button at the bottom of the home screen, name your habit, pick how often you want to do it, and save.

Tap the habit on the Today screen. Tap again to undo if you tapped by mistake.

On the Habits screen, swipe a habit to archive or delete it. To edit, tap the habit to open its details, then use the pencil icon.

A one-time purchase that unlocks cloud backup, detailed stats, custom accent colors, and removes ads. No subscriptions.

Open Settings, scroll to Appearance, and pick Light, Dark, or System. True Black is also available for AMOLED screens.