Halal MUI is an Android application developed by Dev-Indonesia, designed to help Muslims find halal-certified products easily. The app is free to download and falls under the Lifestyle category.

The app's main feature is the ability to search for halal products by name, manufacturer, certificate number, or product barcode. Users can also scan barcodes using their phone's camera to search for halal products. Additionally, the app provides a list of halal products for users to browse through. Halal MUI also keeps users updated with the latest activities of LPPOM MUI, the official halal certification body in Indonesia. Users can also apply for Halal Certification through the app's CEROL Registration feature.