Private Writing Assistant vs ZoneBlade

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

Private Writing Assistant compared with ZoneBlade
Detail	Private Writing Assistant	ZoneBlade
What it does	Spelling and grammar checks in 101 languages, run entirely on your device	Free VPN for your browser with a country in every tab
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Free	Freemium
Pricing	Not given	Free: unlimited data in 6 countries, no card needed. Premium: €5.49/month or €44.99/year (also available in USD at $5.99/month or $47.99/year).
Key features	101 languages supported with automatic language detection Runs on device using Chrome's built-in AI model Works in email drafts, Google Docs, and Google Slides Fix single mistakes or all corrections at once Toggle checking on and off with visible AI status	Unlimited data in 6 countries (Free) All 180 countries (Premium) A different country in each tab with own cookies Hides IP address - sites see an address in your chosen country Encrypts browser connection so networks cannot see which sites you visit No logs of sites visited or pages opened WebRTC leak protection No ads on any plan
What makes it different	Nothing sent to servers - all processing happens on your device Supports 101 languages with automatic detection Uses Chrome's native AI - no external model required Works seamlessly across text boxes, email, docs and slides	Different country in each tab simultaneously Each country keeps separate cookies and sign-ins Works on your browser only, not other device apps 14-day money-back guarantee on Premium
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)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

4 details filled in for both companies.

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