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InstaPrompt vs MarklyKit

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

InstaPrompt compared with MarklyKit
DetailInstaPrompt logo InstaPromptMarklyKit logo MarklyKit
What it doesHighlight text on any web page and get an instant AI result. No tab switching. No copy-pasting. Browser extension for highlighting, annotating, and taking notes on any webpage
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: ~25 AI uses per month, 3 saved responses, 3 custom prompts, 1 label. Starter: $4.99/month or $3.25/month billed annually, ~500 AI uses per month, 10 saved responses, 15 custom prompts, 5 labels. Pro: $11.99/month or $8.25/month billed annually, ~2,500 AI uses per month, choose any AI model, br 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
  • Select and click to run prompts on highlighted text
  • Right-click menu access to all prompts
  • Keyboard shortcut Alt+Shift+X for quick access
  • Popup launcher to paste or type text
  • Context Labels for saving tone and brand voice
  • Replace selected text with AI output
  • Cloud sync across multiple devices
  • Choice of AI models on Pro plan
  • 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
  • No API key required to get started with built-in AI
  • Works on any website without tab switching or copy-pasting
  • Context labels save and attach your tone to every prompt
  • 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)1 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)186
Referring domains (Majestic)102

5 details filled in for both companies.

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