Comparisons
Marker.io vs Tellback: which in-app feedback tool ships fewer bugs?
Both tools capture screenshots and console errors — but only one turns feedback into dev-ready tasks with voice notes attached.
Alex Chen · Jun 28, 2026
Cover Essay · Client Feedback
How to collect client feedback without WhatsApp chaos
Agencies lose hours every week chasing screenshots in WhatsApp threads. Here's the workflow we recommend — and why voice notes changed how our own clients report bugs.
By Alex Chen · Jul 4, 2026 · 9 min
How-to
Capture console errors from real users without touching your code
A step-by-step walkthrough for surfacing browser console errors alongside the click that caused them.
Jun 20, 2026 · 6 min
How-to
Turning voice-note feedback into Linear tasks in under 60 seconds
Founders don't have time to translate a rambling voice note into a ticket. Here's how Tellback does it automatically.
Jun 14, 2026 · 5 min
Founder Stories
Why we replaced our support inbox with a 'reply-with-context' button
The story of scrapping a 4-person support ops process and replacing it with a widget the whole team actually reads.
Jun 4, 2026 · 7 min
From the archive
Weekly notes on building better feedback loops
One email on Fridays. No fluff. Unsubscribe with one click.
Try Tellback
Ship the bug your client can't describe.
A widget your users press once. Screenshots, console errors, network trace, and an optional voice note — sent to Linear as a dev-ready task.