Free for solo designers. Studio for the small ones. Agency when you outgrow it. Enterprise when you outgrow that.
For when you're trying it on a single project.
For the small studio sending work to a handful of clients each week.
When the studio's grown, the clients are bigger, and you need your own domain.
For in-house design teams, agencies of agencies, and studios with procurement.
Everything important, nothing else.
| Capability | Solo | Studio | Agency | Enterprise |
|---|---|---|---|---|
| Reviewables | 3 | Unlimited | Unlimited | Unlimited |
| Comments / month | 100 | Unlimited | Unlimited | Unlimited |
| Designers per studio | 1 | 5 | 25 | Unlimited |
| Custom subdomain studio.theredline.app | — | ● | ● | ● |
| Custom domain (CNAME) | — | — | ● | ● |
| Branded Chrome extension Forge | — | ● | ● | ● |
| Bug Tracker integrations | — | — | Linear · GitHub · Jira | Custom |
| Visual Diff · FullShot | — | ● | ● | ● |
| SSO | — | — | SAML · SCIM | |
| Audit log | — | — | 30 days | Unlimited |
| SOC 2 Type II | — | — | — | ● |
| SLA | — | 99.5% | 99.9% | 99.95% |
You generate a link, send it to your client. They click it and the prototype loads inside a browser frame with the Redline overlay attached. No account, no install, no friction. Comments arrive in your dashboard within a second.
Yes. Upgrades take effect immediately and prorate. Downgrades take effect at your next renewal — keep the seats and limits you have until then.
New comments are still received, but you'll see a soft cap notice in the dashboard until you upgrade. We never delete a comment for hitting a limit.
Yes — pay annually and we knock two months off. No multi-year lock-ins; cancel any time.
On Studio and above, every paying tenant gets a "Download Extension" button that generates a Chrome extension white-labeled for their studio — logo, accent colour, domain baked in. Your client installs your extension, not ours.
Yes — 50% off Studio and Agency for verified non-profits and design education programs. Reach out via the Contact link in the footer.