RewriteBar vs Opsis

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

RewriteBar compared with Opsis
Detail	RewriteBar	Opsis
What it does	AI-powered macOS writing assistant for grammar, translation, and productivity	Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
Stage	Not given	Startup
Founded	Not given	2026
Based in	DE	AU
Pricing model	Paid	Freemium
Pricing	$29 one-time for Standard license (1 device), $59 one-time for Pro license (3 devices). Optional RewriteBar Gateway Credits: 100 once for $29 plan, 100 once for $59 plan, 3 million per month available. Free trial with up to 100 corrections.	Not given
Key features	Custom AI actions and workflows Side-by-side text comparison Keyboard shortcuts	Autocomplete with Tab to accept drafts Error detection and fact-checking Cross-app integration Source attribution for every suggestion Context-aware AI assistance One-click pause and privacy control Encrypted data storage Read-only app connections Natural writing style matching
What makes it different	Works in any macOS app without switching applications Lightweight and privacy-focused design Customizable AI workflows with preset templates One-time purchase with lifetime access	Finishes sentences from your actual work history and connected files, not generic AI Shows source for every suggestion so you can verify it before accepting Catches mistakes and contradictions between what you're writing and your work history Works inline in the apps you already use without installation You stay the author with full control over what gets written
Community votes	0	0
DR (Domain Rating by Ahrefs)	46 −1 (down) since last check	4 no change since last check
Trust Flow (Majestic)	10	0
Citation Flow (Majestic)	37	12
Referring domains (Majestic)	472	1

5 details filled in for both companies.

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