StackTools vs Apparent for Gmail

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

StackTools compared with Apparent for Gmail
Detail	StackTools	Apparent for Gmail
What it does	Private browser tools for everyday work	A Chrome extension that makes Gmail easier to read and manage
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	PDF merge, split and compress Convert Word, Excel, images to PDF OCR, redact and protect PDFs Compress images (JPG, PNG, WebP, AVIF) Convert HEIC images Background removal On-device image upscale Works offline after first load No signup required	Reverse conversation order to show newest messages first Show every message in threads instead of collapsed defaults Hide AI and Gemini overview summaries Minimize toolbars and hide visual clutter Minimize search and top bar Hide selected buttons like Gemini and Google One Upgrade
What makes it different	Files process in your browser with no uploads to servers No account, no credit card, no friction Works offline after first visit	Runs locally in your browser with no remote servers or data collection Requires no account or setup to use Privacy-focused with Gmail content never sent to Apparent servers
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)	8 no change since last check	3 no change since last check
Trust Flow (Majestic)	4	3
Citation Flow (Majestic)	14	20
Referring domains (Majestic)	4	13

4 details filled in for both companies.