Free plan
Not listed
1 user · 1 active project · 5 prototype screens · 10 MB storage · No additional reviewers
Checked 21 Sep 2026
Plans and prices
Proto.io pricing
Freelancer
$29 a month
Annual billing shows $24 per month; 1 user, 5 active projects, unlimited reviewers
1 user · 5 active projects
Checked 28 Sep 2026
Startup
$49 a month
Annual billing shows $40 per month; 2 users, 10 active projects, unlimited reviewers
2 users · 10 active projects
Checked 28 Sep 2026
Agency
$99 a month
Annual billing shows $80 per month; 5 users, 15 active projects, unlimited reviewers
5 users · 15 active projects
Checked 28 Sep 2026
Corporate
$199 a month
Annual billing shows $160 per month; 10 users, 30 active projects, unlimited reviewers
10 users · 30 active projects
Checked 28 Sep 2026
Enterprise
Not listed
Additional users · Unlimited projects · SSO · Enterprise-grade security
Checked 21 Sep 2026
Free Account
Free
Limited-feature plan available after the trial expires
Checked 28 Sep 2026