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Stackpeek vs Kernline

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

Stackpeek compared with Kernline
DetailStackpeek logo StackpeekKernline logo Kernline
What it doesFree Shopify theme detector and app detector for Chrome and Firefox Give your AI the exact component from any site, not a screenshot
StageNot given Not given
FoundedNot given Not given
Based inNot given ZA
Pricing modelFree Freemium
PricingFree for theme, app and tracker detection; CSV product export is also free. A paid Store Intelligence tier with organic traffic data, SEO audits and backlink profiles is coming soon. Free: $0 with 3 Copy for AI and 3 Component captures a day. Pro yearly: $36/year ($3/month). Pro monthly: $6/month. Lifetime Pro: $59 one-time payment.
Key features
  • App fingerprinting with 885 apps in database
  • Tracker identification from Meta, TikTok, Snap, Pinterest, Reddit
  • Product catalogue export to CSV in Shopify import format
  • Up to 10,000 products per export with titles, descriptions, prices, SKUs, tags and image URLs
  • Open source code under MIT licence with published permissions
  • Auto-scan mode to detect Shopify stores across tabs
  • No account signup or browsing history collection
  • Detection results in about one second
  • Headless store detection labeled as headless instead of guessed
  • Component capture as HTML, React, or Vue with Tailwind
  • Tailwind v3 and v4 class export
  • Design token export as CSS variables or Tailwind theme
  • CSS inspector with box model and typography
  • Asset list for images, SVGs, icons, and fonts
  • Pixel-perfect mockup overlay with layers
  • Single-element or full-page Tailwind scanning
  • Offline inspection and copy functionality
What makes it different
  • Honest detection that labels unverifiable results and custom builds rather than guessing
  • Largest known app database of 885 fingerprinted apps, growing with every scan
  • Simplest workflow requiring only one click with no form submission or waiting
  • No data sent to server during product export; catalogue assembled in browser only
  • Works entirely in your browser with no page uploads or tracking
  • Runs only on the tab you open and never uploads the page
  • No ads, tracking, or data selling
  • Copy real styles and tokens from live websites instead of screenshots
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)7 −2 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)170
Referring domains (Majestic)90

5 details filled in for both companies.

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