The closest free Superflow alternative, plus 3 more picks
MarkLayer replaces Superflow's human side, comments pinned on a live page and shared by link, for free with no seats. It has no built-in AI reviewer; instead every link is an MCP server for the coding agent you already run. For a client workspace with versions and approvals, Pastel, ruttl and Userback are the paid comparison.
On this page
Superflow alternatives compared
| Option | Price | Best for |
|---|---|---|
| MarkLayer | Starter is $0 and includes one small-site scan. Growth $29/seat/month ($24 billed yearly, 2 projects); Scale $34/seat/month ($28 yearly, 4 projects). Checked October 2026 | Anyone who wants Superflow's on-page comments without seats or credits, and teams whose coding agent should clear the queue rather than add to it. |
| Pastel | Free plan (1 user, 1 canvas); Pro $29–35/month; Team from $99/month + $24 per extra seat | Agencies running structured client rounds who want approvals and a free plan to start on. |
| ruttl | Freemium with project limits; paid plans per user | Small teams that want unlimited projects on a flat per-user price. |
| Userback | Paid (subscription per user/month) | Product teams collecting feedback from end users, not only from reviewers you invite. |
Top free Superflow alternatives
1. MarkLayer
Free and open source (Apache-2.0), with nothing to install for a public page: paste any URL at marklayer.app, draw, pin comments, highlight, then share a link. There are no seats and no credits. Live cursors and a peer-to-peer voice or video call run in the same room, a kanban board sorts threads by status, and every share link is also an MCP server, so Claude Code or Cursor can watch the room, resolve threads and leave annotations of their own. There is no built-in AI reviewer; the agent is yours. Pages behind a login need the free browser extension on each reviewer's side. An unclaimed link is deleted 90 days after its last activity; claiming it with a free account stops that clock.
2. Pastel
A client-review workspace with persistent canvases, version history, comment approvals and deadlines, all on the free plan, which is capped at one user and one active canvas. Pro is $35 a month, or $29 billed yearly, for two users and three canvases. Team is $119, or $99 yearly, for five users, unlimited canvases and the project-management integrations (checked October 2026).
3. ruttl
Website feedback with a free Basic plan of one project and five pages, including Trello, Slack, Asana and Jira. Pro is $18 per user a month for unlimited projects and pages, so a five-person team pays $90, close to Superflow's Growth at $29 a seat but with no AI meter on top (checked October 2026).
4. Userback
A feedback widget your own users click, with a free plan of two seats and two projects where feedback stays viewable for seven days. Team is $39 a month, or $29 billed yearly, for five seats and five projects. Business is $99, or $79 yearly, for unlimited seats and 25 projects (checked October 2026).
What Superflow charges for
Superflow has two products in one price list. The human side pins comments on a live site, with clients reviewing over a link and no seat. The AI side scans pages and posts findings, sold either at $14 a month per site or per scan on credits. Starter is free but covers one small-site scan. Growth at $29 a seat buys two full projects with rescans. Scale at $34 buys four, or portfolio monitoring. Both numbers drop by about $5 on yearly billing.
The head-to-head with Superflow goes row by row. This page is for choosing between the alternatives.
Which one fits which job
MarkLayer is the free replacement for the human side: comments on the real page, shared by link, with live cursors and a call in the room. It does not scan pages. What it has instead is an MCP server on every link, so the coding agent you already pay for reads the pins, fixes the code and resolves them.
Pastel is the pick for agencies who want canvases per client, approvals and versions, with a free plan to try. ruttl is the flat-rate pick for a small team that wants unlimited projects. Userback is the pick when the feedback should come from your own users through a widget. If the thing you would pay Superflow for is the automated scan, none of the four replace it, and $14 a site is the number to judge.
Sources
Prices come from each vendor's own pricing page, read on 11 October 2026:
Frequently asked questions
- What is the closest free Superflow alternative?
- MarkLayer, for the on-page comments and link-based review Superflow's human side covers, with no seats and no credits. Nothing free matches Superflow's built-in AI page reviews. MarkLayer's answer is different: your own coding agent connects over MCP and fixes what reviewers flagged.
- How much does Superflow cost?
- Per its pricing page on 11 October 2026: Starter is free and includes one small-site scan. Growth is $29 per seat a month, or $24 billed yearly, with two full projects and rescans. Scale is $34, or $28 yearly, with four projects or portfolio monitoring. Enterprise is custom. AI reviews are either $14 a month per site for unlimited reviews or bought per scan on credits, and sign-up adds 30 credits and a 10-day trial. Clients review over a link and need no seat.
- Did Superflow's pricing change recently?
- Yes. In August 2026 its free plan listed one project, one seat and 60 AI credits a month. In October 2026 the page shows Starter as one small-site scan, Growth up from $24 to $29 monthly, and a new Scale tier.
- Which of these have an AI reviewer built in?
- Only Superflow. Its agents scan a page for broken links, accessibility and copy problems and post findings, metered per scan or per site. MarkLayer, Pastel, ruttl and Userback do not audit pages. MarkLayer exposes each room over MCP so Claude Code or Cursor can read the annotations, make the change and resolve the thread.
- Which ones sync comments with a task tracker?
- Superflow advertises two-way comment sync with Asana, ClickUp, Monday, Slack, Webflow and Google Tag Manager, without saying which plan includes it. Pastel's integrations are on Team. ruttl includes Trello, Slack, Asana and Jira on its free plan. MarkLayer files one Linear, GitHub or Jira issue per thread and posts new comments to Slack, Teams, Discord or a webhook; nothing syncs back.
- Are any of these open source?
- MarkLayer is. Superflow, Pastel, ruttl and Userback are closed commercial SaaS.
Related comparisons
Try MarkLayer
Paste any URL at marklayer.app and annotate the live page in your browser. No install, no account, no sign-up. Recipients of your share links don't need to install anything either.
Annotate a page