Используйте приложение APKPure
Историческую версию Free App Notify можно получить на Android
Отправить уведомление Всякий раз, когда Там платное приложение становится свободным
This app is created specially to notify you if there is any paid app sales that is offered for free for a period of time , you can also put the app in favorite list.
new feature is added whenever there is more download to this app!
please rate is if you like it
Change Log v 3.8
add rating , Downloads,Developer Name