Engineering blog
Engineering notes
How we build Tellback: bug capture internals, feedback ingestion, and the workflows we ship for SaaS teams and agencies.
// featuredClient 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.
Alex Chen · Jul 4, 2026 · 9 min · updated Jul 6, 2026
## Recent posts
Jun 288 minJun 206 minJun 145 minJun 47 minMay 293 min
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.
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.
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.
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.
Changelog #24 — Voice notes, Sentry sync, and a new task webhook
What shipped this sprint, and the one thing we cut.
Changelogrelease
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