source-lm vs ADA SafeCheck

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

source-lm compared with ADA SafeCheck
Detail	source-lm	ADA SafeCheck
What it does	Chrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages	Find ADA accessibility barriers before they find you.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	ES	Not given
Pricing model	Paid	Freemium
Pricing	Free plan: 5 bulk actions per month, single sources always free. Pro licence: $29 one time, unlimited bulk runs.	Starter: Free (up to 3 PDF exports per month, watermarked). Pro: $19/month with 7-day free trial (unlimited PDF exports, no watermark). Agency: $99/month with 7-day free trial (multi-domain workflows, branded templates, up to 10 devices).
Key features	Split JSON exports into Markdown files with 400,000-word budget Filter sources, detect duplicates, and batch delete Incremental uploads skip already-added content No account or login required Source-available code published unminified No data written to disk or stored on servers Supports Telegram Desktop and Telegram for macOS exports	One-click full-page WCAG 2.1 Level AA audit Barriers highlighted in place with plain-language fixes Accessibility score 0-100 with severity breakdown PDF audit report with remediation roadmap Privacy-first scanning runs entirely in browser 50+ automated WCAG rules per scan Full-page audit completes in 9 seconds average Multi-domain audits for agencies Branded report templates for client hand-offs Up to 10 device activation for teams
What makes it different	No backend or recurring costs: pay once, keep the licence forever Runs entirely in your browser with no account or login needed Smart splitting keeps records whole and avoids duplicates on re-runs Source-available and unminified so you can audit the code yourself Extends NotebookLM's interface with bulk operations and source management tools	No account required, install and scan immediately Runs entirely client-side; no content uploaded or stored Industry-standard axe-core engine with 57% issue detection Dated PDF reports with scope and methodology for compliance documentation Scans live pages, staging, production, or competitors
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)	15 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	18	0
Citation Flow (Majestic)	15	9
Referring domains (Majestic)	24	20

5 details filled in for both companies.

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