Prompt Post By THP is a mobile application available on the Android platform, developed by Thailand Post Co. Ltd. The app offers users the ability to send digital postcards with personalized messages, anytime and anywhere.

To use the service, users need to register and verify their identity. Once registered, they can purchase digital postcards and send messages to their loved ones. The payment process is convenient and easy, as users can pay via QR code and track their payment history in the app's wallet.

With Prompt Post By THP, users can summarize their digital postcard sending activities and keep track of their expenses. The app is free and falls under the Lifestyle category. It is simple to navigate, and the interface is user-friendly.

It is worth mentioning that the developer is working on a new digital document management service, which will soon be available on the app.