ProductPulse vs MarklyKit

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

ProductPulse compared with MarklyKit
Detail	ProductPulse	MarklyKit
What it does	Chrome extension that shows product listing age, reviews, and order volume on AliExpress and Shopify	Browser extension for highlighting, annotating, and taking notes on any webpage
Stage	Not given	Not given
Founded	Not given	Not given
Based in	PT	Not given
Pricing model	Freemium	Freemium
Pricing	Free: Listing age, total reviews and rating, orders/sales volume. Pro: €4.99/month or €19 one-time for Order Velocity chart.	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	Display product listing age on AliExpress and Shopify Show total reviews and rating on product pages Display order and sales volume Order Velocity chart tracking product growth over 60 days Automatic detection of AliExpress and Shopify product pages Free product checker for Shopify links Browser-local data storage with no account required	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	Works entirely in your browser without requiring an account or sending browsing data to servers Shows real data from stores rather than estimates, with full transparency on data sources Tracks product growth over time through your own visits without external tracking	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 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	0
Citation Flow (Majestic)	0	6
Referring domains (Majestic)	0	2

5 details filled in for both companies.

More alternatives to ProductPulse More alternatives to MarklyKit