Cek Resi JT Cargo is a free Android app developed by CekResi Express that allows users to track their J&T shipment and check shipping costs. With this app, users can easily track their package by entering the tracking number or by scanning the barcode. Additionally, they can check the shipping cost of their package from and to any city in Indonesia, down to the district level.

The app's main features include package tracking with the tracking number, scanning of the barcode, checking the shipping cost of packages to and from all cities in Indonesia, and detailed shipping costs down to the district level.

Overall, Cek Resi JT Cargo is an excellent tool for anyone who frequently uses J&T's shipping service in Indonesia. The app is user-friendly and provides accurate and up-to-date information on package tracking and shipping costs.