@calm is your app free ??
If you head to the link and scroll down, you can see a comparison of the elements of the app which are free vs. what you'd get with the paid app. Hope that helps you! 
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
If you head to the link and scroll down, you can see a comparison of the elements of the app which are free vs. what you'd get with the paid app. Hope that helps you! 