No ToS, no privacy policy, no physical address, no authors' names... and it wants to roam with me inside my pocket?!?
Physical Address: 2443 Fillmore St #380-8214 San Francisco, CA 94115
Authors' names: Matt Kelly, Lev Popov
With growing concerns related to both privacy and malicious mobile apps, maybe it would be a good idea to make at least an "about" page telling who you are and what info is collected.