This is the SF Guide you are looking for! One of the best components is, simply, the 100% offline access.
Lame Hilariously bad. Although it seems to function properly, much of the information is wrong or points users toward tired tourist traps. A fair number of locations aren't even anywhere near San Francisco. Not worth the free price.
Have to make up an account and sign in to use, I don't need another password.
New and updated content.