Followers Clean for Unfollower is an iPhone app developed by 佳莹 周. It falls under the category of Education & Reference and offers various features related to managing Instagram followers. With this app, users can mass unfollow Instagram followers, mass follow Instagram followers, and mass delete likes on Instagram.

One of the standout features of this app is the ability to view follower/following changes on the home widget. The app provides a bigger widget card that offers more information, allowing users to choose the widget kind that suits their needs. The widget also displays data compared to the last day of use, giving users valuable insights into their follower/following activity.

Please note that the app offers a subscription-based service for accessing updated reports. The subscription fee is $12.99 for 12 months, $4.99 per month, or $2.99 per week. It's important to be aware of the auto-renewable nature of the subscription, as it will automatically renew unless turned off at least 24 hours before the end of the current period.

For more information about the app's terms of use and cancellation of the subscription, please refer to the provided links.