Spark - Personal Themes is a free utility and tool application for iPhone developed by QiuYan Wu. This app provides a complete makeover of your device by offering customizable lock screen widgets, home screen widgets, icons, and wallpapers.

The app allows you to customize your lock screen widgets with popular iOS 16 widgets, including dynamic icons, app quick launch, fun text, phone capacity management, and contact shortcuts. You can also arrange the dynamic set of widgets on your home screen according to your preferences and design your widgets with various tools provided in the widget box.

The app also offers a subscription service that automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can manage your subscription and turn off auto-renewal by going to your Account Settings after purchase.

Overall, Spark - Personal Themes is a great app for those who want to transform their iPhone and experience a different look. Contact the developer at for any queries.