Private Writing Assistant vs ExtBid

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 ExtBid
Detail	Private Writing Assistant	ExtBid
What it does	Spelling and grammar checks in 101 languages, run entirely on your device	Chrome extension to download Instagram posts, Reels, Stories, and Highlights
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Monthly: $4.99/month USD (auto-renews on PayPal). Yearly: $29.99/year (about $2.50/month). Lifetime: $79.99 one payment. Free plan includes 20 bulk runs per UTC week, Download New on 10 accounts, and 20 links per Download by Link task. Coupon LAUNCH20 gives 20% off the first period or lifetime.
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	Download All to back up a whole profile Download New for only new posts since last run Download by Link to save posts from URLs or lists Customizable naming and folder organization CSV export of downloaded files Download history by profile Google Drive integration for Pro users
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	Download New maintains baselines to avoid duplicates Human support within 24 hours Works inside Instagram tab with no redirects or external sites
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	2 no change since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	0	18
Referring domains (Majestic)	0	28

4 details filled in for both companies.

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