MarkLayer and Loom solve different sides of the same problem: how do I show someone something on a webpage when we're not in the same room? Loom records a video walkthrough with your voice. MarkLayer captures a single annotated state of the page with arrows, comments, and threaded replies. They complement each other more than they compete.
Choose MarkLayer when the message is "this specific thing on this page". You want a fast, focused, durable artifact that survives a Loom video's 5-minute attention span. Choose Loom when the message is "watch me walk through this flow" and motion or voice tone matters.
| Feature | MarkLayer | Loom |
|---|---|---|
| Price | Free, no tiers | Free tier (5-min limit, 25 videos); paid plans per user |
| Sign-up required | No | Yes |
| Format | Static annotated page snapshot | Video recording with voice |
| Voice / audio | No. Text comments only | Yes |
| Time-stamped comments | No (page is a single state) | Yes |
| Real-time live cursors | Yes | No. Async-only |
| Drawing tools | Yes. Freehand, shapes, arrows | No live drawing on page |
| Threaded replies on the artifact | Yes. Pinned to the page | Yes. Pinned to video timestamps |
| Time to consume | Seconds. Single screen | Minutes. Must watch the video |
| Best for | Specific UI changes, bugs, design notes | Walkthroughs, tutorials, async standups |
Loom is a popular async video tool for screen and webcam recording with viewer reactions and time-stamped comments.
MarkLayer is a free, open-source web app for annotating any live webpage. Paste a URL atmarklayer.app and draw, comment, arrow, or highlight directly on the page in your browser — no install, no account, no sign-up. Share a single link and anyone can open the annotations in any browser. A free Chrome extension is available for the sites the web app cannot embed, such as pages behind a login, but it is optional and never required to view a share link. There is no paywall and no trial period.
I use both. Loom for walkthroughs where motion or voice tone matters. MarkLayer for everything else. A circle on the broken element gets a developer to 'I see it' faster than scrubbing a 90-second video.
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