iViews - Followers Tracker is a free Instagram analytics tool that provides insights into your account growth. It offers a range of analytic algorithms that help you see your Instagram account from a different perspective. With this app, you can find out who unfollowed you, your loyal followers, and ghost followers. You can also discover significant insights about your Instagram accounts, such as statistics about your followers lost and gain, and the best time to post for maximum likes and comments.

This app is user-friendly and easy to use. It is available for iPhone users and offers 90% of its features for free. The remaining 4 advanced features require an in-app purchase. The pricing for these features are $3.99 weekly with a 3-day free trial, $9.99 monthly, and $14.99 lifetime. The app is not affiliated with any of the trademarks mentioned here. It is important to note that the app's terms of service and privacy policy can be found on the developer's website.

If you're looking for a comprehensive Instagram analytics tool that provides insights into your account growth, then iViews - Followers Tracker is the perfect app for you. Download now and enjoy the free powerful analytic features.