eZ-TopUp

ez-TopUp is an open source android application that simplify the process of topping up a mobile phone. It uses device camera to identify the recharge PIN on on the top-up card and saves the user from the hassle of typing it manually.

Features

• Fast and accurate PIN detection.
• Copy recharge PIN to clipboard function.
• User configurable (Add/Edit/Delete) network carrier database.

Demo

Technology Stack

• Java
• Android APIs
• Android Studio

Additional Libraries

• Google Text Recognition API
• Android Crop