How much does Hellosaurus cost? James Ruben December 10, 2020 18:18 Updated The price of Hellosaurus varies depending on the selected payment plan. Our three plans can be viewed by downloading our app for free! Related articles What devices can I use for Hellosaurus? How do I cancel my subscription? Is my kid the right age for Hellosaurus? Comments 0 comments Please sign in to leave a comment.