TrackChecker Mobile - is the most versatile application for tracking parcels, mails, orders from online stores by their track numbers.
The App supports more than 570 different postal and courier services in Russia, Ukraine, Belarus, Kazakhstan, USA, Germany, Great Britain, Spain, France, China, Singapore, etc. (Over 200 countries).

In TrackChecker Mobile you can track an unlimited number of parcels and receive notifications of new events.
You can set your own frequency of event's update for your tracks. You can track the parcel on several postal services (up to 10 for one track number).
System Requirements:
Requirements: Android 8.0+

Home Page - https://play.google.com/store/apps/details?id=com.metalsoft.trackchecker_mobile&hl=en