Currently, Do It Later supports auto reply to WhatsApp and Messenger. The app does not support for WhatsApp and Messenger scheduling feature because technical limitation. WhatsApp and Messenger don’t provide any official APIs to 3rd apps. We are still listening their updates to support these features.

Gmail and Twitter scheduling feature is required internet connection to send the message, others don’t require internet connection.

You only have to purchase one time and your purchase will be valid for lifetime.

No. Do It Later can only be used from Android devices.