GStreet - Street Map Viewer is a travel and navigation app developed by Yang Zongqun that provides street-level imagery based on Google Street View Maps. The app supports more than 60 countries and is available exclusively on iPhone. GStreet offers several features, including the ability to find nearby panoramas, search addresses and view the street panorama, auto-navigation for current location, share and bookmark panoramas, and double view with both a map and street view.

One of the most impressive features of GStreet is its ability to show the latest traffic data and the latest street view. Another notable feature is the premium subscription, which offers all paid features and materials. However, according to the Apple Store policy, the subscription will be automatically renewed after the free trial ends. It is important to note that street view, directions, and live traffic details are only available in certain geographical regions. It is also worth mentioning that GStreet is not related to or affiliated with Google, Inc.

In conclusion, GStreet - Street Map Viewer is a comprehensive app that provides an excellent street view experience. Its features are easy to use, and the app is suitable for those who want to explore new places or navigate through the city. The app's premium subscription is a great addition, but users should be aware of the automatic renewal policy.