Skip to the shop floor

Skyelight vs Kernsetzer

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Skyelight compared with Kernsetzer
DetailSkyelight logo SkyelightKernsetzer logo Kernsetzer
What it doesWebsite feedback tool for teams and AI agents Book formatting software for self-publishers
StageNot given Not given
FoundedNot given Not given
Based inUS DE
Pricing modelFreemium Paid
PricingFree: $0/month with 1 workspace, 1 project, 25 agent threads/month. Pro: $24/month (includes 1 paid seat, each extra $7/month or $9/month yearly) with unlimited projects and agent threads. Team: $49/month (includes 1 paid seat, each extra $12/month or $15/month yearly) with unlimited workspaces. One-time purchase price to be announced before launch. Without a license, the software works with basic features indefinitely but exports carry a watermark.
Key features
  • Annotate any page element with feedback
  • Chrome extension for instant feedback
  • Automatic feedback classification
  • Screenshots captured with every pin
  • Integration with AI agents via MCP
  • Source code context with Skyelight Build
  • Guest feedback without account
  • Slack and Linear integrations
  • REST API for custom integrations
  • Accessibility checks on elements
  • Supports Windows, macOS and Linux
  • Accepts Word and Markdown manuscripts
  • Generates print-ready PDF for KDP and IngramSpark
  • Creates EPUB 3 for ebook stores
  • Automatic layout of running heads and chapter openers
  • Professional typography with correct quotation marks and dashes
  • German language typography support
  • Works offline without requiring an account
  • Custom theme saving in licensed version
What makes it different
  • Passes feedback directly to coding agents to implement fixes
  • Captures browser errors and failed requests with each pin
  • Works on any page without code changes
  • Free reviewers and guest feedback on paid plans
  • Automatically classifies feedback as bugs, ideas or feedback
  • Runs natively on Windows, macOS and Linux while the best-known alternative only runs on Mac
  • Professional typography handling for both English and German
  • Offline desktop app with no account or cloud dependency required
  • One-time purchase model instead of subscription
  • Includes free tools for KDP formatting and quote/dash fixing
Community votes00
DR (Domain Rating by Ahrefs)18 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)240
Referring domains (Majestic)180

6 details filled in for both companies.

More alternatives to Skyelight More alternatives to Kernsetzer

Support