How do I change Fasty's appearance?
Choose themes, colours, zone icons or an app icon, and understand system light/dark appearance.
Open appearance settings
Use Statistics → Settings → Appearance & Behaviour. This screen includes zone icons, count direction, seconds/day formatting, review prompts, App Theme, app icons and the link to change language in system settings. For timer behaviour specifically, see timer display.
Choose or edit a theme
Open App Theme and select a predefined theme, or edit the tint, finished-goal colour, ring gradient and background colours. The preview shows ongoing and finished-goal presentations. Non-default themes/custom colour editing require Pro or qualifying earlier access. Selecting the default theme remains available.
Use Share Theme to share the current theme as a Fasty URL. Applying a shared theme requires Fasty Pro. Theme colours also apply to the Watch timer and fasting-zone view in Fasty 0.0.106 and later. Open Fasty on both devices to let changes synchronize.
App icon and system appearance
Open the app-icon choices from Appearance settings and select an icon. Fasty follows the iPhone's system light/dark appearance; it does not have a separate in-app light/dark override. Set the system appearance in iPhone Settings.
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