PluginView vs 51Degrees

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

PluginView compared with 51Degrees
Detail	PluginView	51Degrees
What it does	Website technology detector that scans public websites to identify plugins, frameworks, analytics tools, and other web technologies	Device and IP intelligence APIs for developers
Stage	Not given	Established
Founded	Not given	2010
Based in	Not given	GB
Pricing model	Freemium	Freemium
Pricing	Free plan with 100 credits/month (no API, no bulk jobs). Developer $12/mo with 1,000 credits/month, 3 concurrent scans, and 100 URLs per bulk job. Growth $39/mo with 5,000 credits/month, 10 concurrent scans, and 500 URLs per bulk job. Business $99/mo with 20,000 credits/month, 25 concurrent scans, a	Free plan: 10,000 monthly requests (cloud and on-premise); Essentials: €49 per month for 100,000 requests (cloud); Pro: €360 per month for 1,000,000 requests (cloud); Pro Plus: €680 per month for 5,000,000 requests (cloud); Bespoke: unlimited requests, custom terms (cloud and on-premise)
Key features	Scans against 7,540+ proprietary fingerprints Confidence scores with plain-language explanations API access for developers and integrations	Device Detection - identify device model, OS, browser, and hardware IP Intelligence - location, network, carrier, and VPN detection Bot detection and Human Confidence scoring Geolocation and reverse geocoding powered by OpenStreetMap Pipeline API for custom data services 51Did Inspector tool to inspect identifiers Prebid.js RTD module integration Cloud and on-premise deployment options Support for multiple programming languages User-Agent Client Hints support
What makes it different	Evidence-based detections with proprietary fingerprints not published or disclosed No authentication bypass, paywall circumvention, or advertising influence on results Hosted service with proxy bandwidth and browser workers for production use Capacity-based pricing model, not per-technology licensing	Fifteen years of expertise in device detection with proprietary data Open source approach with published API source code Flexible deployment with both cloud and on-premise options Extensible Pipeline API for aggregating micro services Freemium model with free tier offering 10,000 monthly requests
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)	4 no change since last check	64 no change since last check
Trust Flow (Majestic)	0	17
Citation Flow (Majestic)	4	43
Referring domains (Majestic)	1	398

5 details filled in for both companies.

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