AtAt vs Broken Link Checker

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

AtAt compared with Broken Link Checker
Detail	AtAt	Broken Link Checker
What it does	Your agent, in any app.	Free Chrome extension that detects broken links, 404 errors, and redirects on any webpage
Stage	Growing	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	7-day free trial, then choose monthly subscription, yearly subscription at $59 (billed yearly), or lifetime license at $169 (one-time payment). Early bird pricing available until October 8.	Free plan: up to 150 links per scan. Lifetime License: $9.50 one-time (50% off, normally $19), includes unlimited links per scan, sitemap health checker, bulk URL checker (20 at a time), image checker, scan history, stats dashboard, and PDF export.
Key features	TabTab autocomplete suggests next words inline in text fields Screen context attachment when working with supported providers Selection actions to rewrite, explain, search, or ask about selected text Clipboard history searchable and pasteable via ⌘⇧V Native screenshot and screen recording tools Works with multiple AI agents including Claude Code and Codex Support for local models via Ollama and Siri AI Works in Finder to set working directory and include selected files Optional iCloud Sync for history and settings	Color-coded link status results (red for broken, yellow for redirects, green for working) Detects 404 errors, 500 server errors, timeouts and unreachable URLs Identifies 301 and 302 redirects with destination URLs CSV export of scan results Focus Mode to highlight individual links on the page Real-time progress bar during scans Filter results by status Sidebar panel for results review Sitemap health checker (Lifetime License) Image checker to flag broken images (Lifetime License)
What makes it different	Native macOS app with no Electron, seamlessly integrated into text fields Bring your own AI agent instead of being locked into one provider All data stays on your Mac by default with optional iCloud Sync TabTab suggests completions inline within the text field in the app's own font Works in all editable text fields and terminals without requiring app-specific integration	No account or sign-up required Runs entirely in your browser with no data leaving your device Only runs when you click Scan, does not slow down browsing Works on any website including password-protected pages Free to install and use with no credit card required
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)	12 +4 (up) since last check	43 no change since last check
Trust Flow (Majestic)	22	7
Citation Flow (Majestic)	23	25
Referring domains (Majestic)	60	36

5 details filled in for both companies.

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