The Google Maps service (Google Maps) recently passed the milestone of 10 billion downloads on Google Play.
In fact, so far, it's a small elite club of apps that have over 10 billion downloads. Before Google Maps, only YouTube and the Google Play store itself were part of it.
To be fair, Google Maps is pre-installed on smartphones and other Android devices as part of Google Mobile Services. But, in any case, that doesn't apply to all downloads on the Google online store.
By the way, Google Maps has changed significantly over the last few years: there's a special dark theme, introduced real-time public transport data and etc. There's also a simplified Maps Go app for budget gadgets with the Android Go operating system. this version has 500 million downloads.
Source: Android Police