SmartAutoFill vs Kernline

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

SmartAutoFill compared with Kernline
Detail	SmartAutoFill	Kernline
What it does	AI form filler for Chrome and Edge extensions that fills job applications, Google Forms, CRM forms, and repetitive browser workflows	Give your AI the exact component from any site, not a screenshot
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	ZA
Pricing model	Freemium	Freemium
Pricing	Free: 20 free credits (about 6 AI fills) valid for 365 days. Starter: $9 for 300 credits (about 100 AI fills). Pro: $19 for 1000 credits (about 333 AI fills). Power: $49 for 3000 credits (about 1000 AI fills).	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	Context-aware field detection using labels, placeholders, IDs, nearby text, and options Reusable profile data for contact, company, role, website, social, and signature details Review on the page before submission Sensitive-field guardrails excluding passwords, CAPTCHA, payment cards, banks, and identity verification Hosted AI model with Google sign-in, no API key required Advanced custom providers for existing API workflows Support for job applications, Google Forms, CRM, and support forms Chrome and Microsoft Edge browser support Paid AI Materials for richer source context and file uploads Manual form submission with no automatic submission	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	Review-first workflow where AI fills fields but users review and submit manually No API key setup required for new users with hosted AI and Google sign-in Handles complex form fields beyond just contact details Reusable profile data keeps answers consistent across forms Available directly from official Chrome Web Store and Microsoft Edge Add-ons	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 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)	3 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	13	0
Referring domains (Majestic)	10	0

5 details filled in for both companies.

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