Skip to main content

Built by makers, shipped in public

Sign in

Second Read vs MarklyKit

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

Second Read compared with MarklyKit
DetailSecond Read logo Second ReadMarklyKit logo MarklyKit
What it doesEverything you save, read again. Browser extension for highlighting, annotating, and taking notes on any webpage
StageStartup Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingFree with no paid tier planned. Free plan includes unlimited highlighting and drawing with local-only storage. Pro plan costs $7.99/month with a 7-day free trial, including cloud sync, unlimited sticky notes, PDF export, AI connectors, and API access.
Key features
  • Drag-and-drop text capture from any screen element
  • Automatic passage selection on new tabs based on spaced repetition
  • Kindle highlight synchronization
  • Telegram bot integration
  • Email and Telegram digests
  • Web library with search and tagging
  • Export to Markdown or JSON
  • Works offline with local storage
  • Optical character recognition for non-selectable text
  • No password authentication
  • Privacy masking with blur tool for sensitive data
  • AI connectors for Claude, ChatGPT, and Grok via MCP server
  • Local-first storage with optional cloud sync on Pro plan
  • Keyboard shortcuts for rapid tool switching
  • Focus mode to toggle annotation visibility
  • Browser PDF highlighting support
What makes it different
  • Runs entirely offline with no external server storage of your captures
  • Uses spaced repetition to surface passages you are most likely to forget
  • No paid tier or premium features planned
  • Designed specifically for academic research with citation-ready PDF exports
  • Built-in MCP server enabling direct AI integration without copy-pasting
  • No account required to start highlighting immediately
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)156
Referring domains (Majestic)32

5 details filled in for both companies.

More alternatives to Second Read More alternatives to MarklyKit

Ask us