Official BusTruck DTT Ireland is an Android application developed by Prometric Ireland LTD, falling under the Education & Reference category. The app provides unlimited access to the official learning material for the Driver Theory Test for categories C (Trucks) and D (Buses). It also tracks the user's progress as they learn. The app also offers sample tests, which are designed to prepare the user for the actual theory test. The app is available as a full version and is the only official theory test preparation app available for truck and bus drivers.

The learning material is comprehensive and covers all aspects of the Driver Theory Test. The app offers interactive features that make the learning process engaging and easy to understand. The sample tests are designed to simulate the actual test, ensuring that the user is well-prepared and confident when they take the test. The app is user-friendly, with a simple and intuitive interface that is easy to navigate.