Yes, 轻松快速学英语字母 is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
轻松快速学英语字母 is free.
To get estimated revenue of 轻松快速学英语字母 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.