Do I need internet access to use Hellosaurus? James Ruben December 10, 2020 18:18 Updated Right now, Hellosaurus can only be used while connected to a WiFi network or a cellular service. We plan to support offline viewing in the future! Related articles Can I try Hellosaurus for free? How do I navigate Hellosaurus? Is my kid the right age for Hellosaurus? Comments 0 comments Please sign in to leave a comment.