Yes, PHP Interview Q & A. is free to download, however it contains in-app purchases or subscription offerings.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
PHP Interview Q & A. has several in-app purchases/subscriptions, the average in-app price is USD 3.99.
To get estimated revenue of PHP Interview Q & A. app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.