iRAB is an Android application developed by PTB Corp. that provides budget planning for village infrastructure. This app calculates the estimated cost of building infrastructure such as retaining walls, concrete roads, and drainage channels. It is a free app that falls under the Business & Productivity category.

One of the main features of this app is the auto-generate file RAB (Excel / CSV) that allows users to generate a detailed budget plan. The app also allows for customizable SNI analysis, and there is no limit to the number of projects that can be created. Additionally, users can adjust prices to match their local market. The app is relatively small in size and lightweight, ensuring that it does not strain the smartphone's performance.