How do their growth rates compare?

Dewey has a month-over-month growth rate of —; PDFgear has -3.4%.

How does pricing compare?

Dewey: Free. Completely free. The Chrome Web Store listing states Dewey is free with no ads, and no paid tier is advertised. PDFgear: Free. Free. The desktop apps and online tools are offered at no cost, with no signup required for typical tasks. A related e-signing service is also available.

What are alternatives to Dewey and PDFgear?

Other tools in related categories include Claude, Semantic Scholar, Wondershare, PDNob PDF Editor, LightPDF.

Dewey vs PDFgear — Traffic (0 vs 2.85M), Pricing & Verdict

Open AI Tools

Dewey vs PDFgear — Traffic (0 vs 2.85M), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Dewey	PDFgear
Official Domain	chromewebstore.google.com	pdfgear.com
Pricing Model	Free	Free
Monthly Visits	0 (0)	2.85M (2,845,280)
MoM Traffic Delta	0 (—)	-100.48K (-3.4%)
Primary Market & Share	🌐 Global (—)	🇺🇸 United States (23.3%)
Direct Visits / mo	0	675.08K
User Rating	4.4	4.5
Supported Platforms	Browser Extension	Website

Dewey

Find similar research papers in one click, powered by AI search

One-click similar-paper search

Press the extension on any research paper page and get a ranked list of conceptually related papers without retyping queries.

Semantic matching via Exa

Results come from the Exa AI search engine, which ranks by meaning and context rather than exact keyword matches.

Works on any paper page

Because retrieval runs through the Exa API, Dewey is not locked to a single repository and can act on publisher pages, preprint sites, and personal pages.

Zero-ads, lightweight build

The extension ships as a very small package and shows no advertising, keeping page load and interface overhead minimal.