MarklyKit vs InvestFellow

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

MarklyKit compared with InvestFellow
Detail	MarklyKit	InvestFellow
What it does	Browser extension for highlighting, annotating, and taking notes on any webpage	Stock ticker extension for Chrome and Edge with watchlist and price alerts
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	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.	Free: ticker bar and watchlist with prices refreshing every 2 minutes. Premium: $4.99 per month after a 7-day free trial, includes 4-second refresh, market movers, crypto, price alerts, and AI insights.
Key features	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	Stock ticker bar displayed on any website Customizable watchlist for stocks, ETFs, indices, and futures Price alerts with desktop notifications Market movers display on Premium AI stock insights on hover Cryptocurrency support on Premium Adjustable bar placement and styling Works on Chrome and Edge browsers Bid and ask price information on hover Quick access to stock charts
What makes it different	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	Slim, unobtrusive ticker bar that works on any website 4-second price refresh on Premium for near-real-time updates AI-generated insights providing momentum and timing context Free plan includes watchlist and ticker without trial required Supports international markets and cryptocurrencies
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	6	19
Referring domains (Majestic)	2	10

5 details filled in for both companies.

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