This app warns truck and RV operators of low clearance obstacles like bridges and tunnels 100 yards in advance with audible alerts and a map. It also identifies prohibited parkways with low overpasses, offering collision prevention for over 12,000 locations across North America and the UK.
1.8
October 27, 2026
Bug fixes
No, the GiraffeG4 Sentinel User App does not contain advertisements.
GiraffeG4 Sentinel currently has a rating of 3.0 stars based on 4 user reviews.
GiraffeG4 Sentinel is supported on iPhone and iPod devices.
GiraffeG4 Sentinel has an age rating of 4+, making it suitable for younger users.
The latest version, 1.8, was released on October 27, 2026. The app was initially released on June 11, 2023.
You can pay for the Sentinel User App on the developer's website, www.giraffeg4.com, and then log into the app using your payment email and password.
GiraffeG4 Sentinel provides warnings for over 12,000 low clearance locations across the USA, Canada, and the UK.
The app warns about entrances to parkways in New York, New Jersey, Connecticut, and Massachusetts where trucks and RVs are prohibited due to very low overpasses.
