Sima vs Marker.io
Sima and Marker.io both collect visual website feedback. Sima centers the conversation on the review page. Marker.io focuses on sending detailed issue reports into the tools your team already uses.
The workflow makes the difference
Give clients a place to point to a detail, explain a change and reply in context. Keep attachments and discussions with the page, then resolve comments as the work moves forward.
Choose Sima when your main need is a focused website review with straightforward client sharing.
Marker.io combines annotated screenshots, environment data and technical logs with project management integrations. Its session replay can show the activity leading up to a reported issue.
Consider Marker.io when reproducing bugs is a priority, or when feedback needs to arrive directly in an existing issue tracker with technical context.
Compare the experience your team and clients need.
| Your workflow | Sima | Marker.io |
|---|---|---|
| Website feedback | Pinned comments, replies and resolved discussions in a shared review. | Annotated screenshots and issue reports submitted through a widget or extension. |
| Client access | Share a review link for comments without an account. | Report through an open widget without an account. |
| Technical context | Add attachments and optional screenshot evidence to comments. | Capture browser, OS, screen size and technical logs. |
| Session replay | Review comments and their evidence; no session replay. | Replay activity before an issue. Available on Team plans and above. |
Sima’s screenshot evidence is optional and may be unavailable on some pages. Try your actual website to check review compatibility.
Marker.io offers a widget snippet, CMS plugins and a browser extension. Choose the installation method for your workflow; session replay requires installation on the site and enabling the feature.
Check each product’s current plans for the users, projects and features you need. Compare the same billing period and check which features require a higher plan. See Sima pricing.
You can start a new Sima project for your website and share a review link. There is no automatic import of existing Marker.io comments; keep any feedback you need before switching.
Less back and forth
Start with your website. Share a link. Get feedback where it makes sense.
Get started with Sima