You need a free account to share prototypes. Building on your Mac never needs an account: only sharing does.

Sign in

You don’t need to do anything special: the first time you click Publish or Record, Prototo opens your browser to sign in. Use email (you get a magic link) or Google, then come back to Prototo. To sign in ahead of time, choose Prototo › Sign In… in the menu bar.

Manage your shares

Everything lives at prototo.app/account :

• Your published prototypes (links are permanent)
• Your Studio recordings
• Your current plan, and the option to upgrade

In Prototo, the Prototo menu shows who you’re signed in as, opens your account page, and lets you change the name your shares carry.

Sign out

Choose Prototo › Sign Out in the menu bar. The next time you publish or record, Prototo signs you back in.