Transparent Premium Pricing
Built for builders and modern teams.
Accelerate your prototype review cycles with unrestricted AI connectors and spatial feedback.
Most Popular
Pro Builder
$10/ month
For active engineers, AI builders, and designers with continuous prototype cycles.
Unlimited active prototypes
HTML, React artifacts, Markdown & PDFs
Version history & time-travel diffing
Full viewer presence & read receipts
Priority Claude & Cursor MCP sync
Custom folder organization
Team Workspace
$24/ seat / month
For product teams and design agencies needing shared project libraries, custom domains, and centralized management.
Everything in Pro plan
Shared team workspaces & folders
Custom domain (e.g. preview.yourcompany.com)
Centralized billing & seat controls
Webhook integrations (Slack & Discord)
Priority support channel
Enterprise
Custom/ annual contract
For organizations with stringent security, dedicated private clusters, SSO, and custom SLA requirements.
Everything in Team plan
Dedicated high-throughput MCP cluster
SAML 2.0 SSO & Okta / Google SCIM
SOC2 compliance report & audit logs
Custom legal agreements & MSA
99.99% uptime SLA & dedicated manager
Reviewing is always free: Teammates and clients you invite never pay, never register, and never hit a paywall.
Compare Plan Features
| Features | Pro Builder | Team Workspace | Enterprise |
|---|---|---|---|
| Active Prototypes | Unlimited | Unlimited | Unlimited + Dedicated Storage |
| Supported File Types | All formats + React Artifacts | All formats + Custom Sandboxes | All formats + Private NPM Packages |
| Spatial Pinned Notes | Unlimited | Unlimited | Unlimited |
| Claude & Cursor MCP Connector | Unlimited Real-Time Sync | Unlimited + Webhook Events | Dedicated High-Throughput Cluster |
| Version History & Time Travel | Unlimited versions | Unlimited + Visual Diffing | Full Git & Artifact Audit Trail |
| Read Receipts & Presence | Full Viewer Analytics | Full Viewer Analytics + IP Log | Enterprise SIEM & SOC2 Logs |
| Custom Branding & Domains | — | Custom Domain (cname) | White-label & Custom SSL |
| Team Workspaces & Roles | — | Multi-seat Admin & Roles | SAML SSO, SCIM & Custom SLA |
Frequently Asked Questions
Have a question? Here are answers to common queries.
You get full, unrestricted access to ProtonLoop Pro for 14 days without requiring a credit card upfront. Create unlimited prototypes, connect Claude & Cursor MCP, and invite unlimited team reviewers.