> ## Documentation Index
> Fetch the complete documentation index at: https://technologychecker.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# Technology lookup software comparison
> Compare TechnologyChecker with Wappalyzer, BuiltWith, 6sense, HG Insights, TheirStack, and Bloomberry. Side-by-side feature matrix, pricing, accuracy, and use-case fit for 2026.
The right technology lookup tool depends on your role and what you need from the data. This page compares TechnologyChecker with Wappalyzer, BuiltWith, 6sense, HG Insights, TheirStack, and Bloomberry.
## Which tool fits your use case
**Best for: Sales, GTM, and market analysis teams**
Combines technology data with verified contacts, real-time subscriber/churn signals, custom audience exports, and [full-stack detection](/differentiators#full-stack-detection) at an accessible price point.
**Best for: Enterprise market analysts and investors**
The largest database (95K+ technologies, 670M+ domains) for global market share trends and historical analysis. Strong on breadth, but doesn't include contact data or real-time signals.
**Best for: Developers and agencies**
The most widely-used browser extension (2.5M+ users) for frontend technology identification while browsing. Limited to client-side technologies with no backend or standalone platform detection.
**Best for: Enterprise revenue teams with \$25K+/year budgets**
Enterprise-grade platforms with AI intent data (6sense) and IT spend intelligence (HG Insights). Deep capabilities but inaccessible for most SMB and mid-market teams.
***
## Head-to-head comparison
| Feature | TechnologyChecker | BuiltWith | Wappalyzer | 6sense | HG Insights |
| ---------------------------- | ------------------------------------------------------ | --------------------------- | ------------------------------ | ------------------------ | --------------------------- |
| **Primary audience** | Sales, GTM, market analysts | Researchers, investors | Developers, agencies | Enterprise sales | Enterprise (Fortune 100) |
| **Detection method** | Hybrid: headless browser + multi-signal fingerprinting | Static crawling and parsing | Crowdsourced browser extension | Multi-signal intent | Multiple data sources |
| **Technologies tracked** | 40,000+ | \~95,000+ | \~8,000 | Extensive | 100,000+ |
| **Domains monitored** | 50M+ | \~670M+ | Not disclosed | Not disclosed | Not disclosed |
| **Backend detection** | Yes (server-side, APIs, databases) | Limited | No (frontend only) | Limited | Yes |
| **Standalone platforms** | Yes (Airtable, Notion, n8n) | Limited | No | Limited | Yes |
| **Subscriber/churn signals** | Real-time detection | Periodic updates | No | Intent-based (different) | No |
| **Contact data** | Verified decision-maker emails | Not included | At \$450+/month | Through platform | Through Intent-Driven Leads |
| **Custom audience exports** | LinkedIn, Facebook, Google Ads | Not available | Not available | AI-driven targeting | Not available |
| **Historical data** | 20 years (time-series) | Extensive (long-term) | Current state only | Limited | Extensive |
| **ICP pattern analysis** | Yes (from historical data) | Manual export analysis | No | AI-powered | Yes |
| **CRM integration** | Salesforce, HubSpot, Pipedrive | Limited | No | Full suite | Full suite |
| **Bulk enrichment** | Up to 100K domains | Available | Limited | Available | Available |
| **API access** | [REST API](/api-reference/introduction) | Available | Basic API | Available | Available |
| **Entry price** | \$89/month | \~\$295/month | \~\$250/month | \~\$25K/year | \~\$50K/year |
Competitor data is based on publicly available information as of February 2026. Technology counts and pricing may change. Visit each vendor's website for current details. See [TechnologyChecker pricing](https://technologychecker.io/pricing) for current plans.
***
## Detailed breakdowns
### TechnologyChecker
TechnologyChecker is built for B2B sales, GTM, and market analysis workflows. It connects technology usage data to the people you need to reach, combining [full-stack detection](/differentiators#full-stack-detection) with verified contacts, real-time subscriber/churn signals, custom audience exports, and 20-year historical data in a single platform.
* **Full-stack detection:** Identifies frontend, [backend](/differentiators#full-stack-detection), and standalone platforms (Airtable, Notion, n8n) using headless rendering, HTTP/DNS/TLS analysis, and infrastructure probing
* **Real-time subscriber/churn signals:** Know when companies start or stop using any technology, with replacement detection
* **Verified contacts included:** Decision-maker emails with deliverability confirmation, role matching, and LinkedIn integration at \$89/month
* **Custom audience exports:** Export technology-segmented email lists for LinkedIn, Facebook, and Google Ads custom audiences
* **20-year historical data:** ICP pattern analysis, market share tracking, and migration pattern detection
* **Sales-native workflows:** CRM automation (Salesforce, HubSpot, Pipedrive), bulk enrichment up to 100K domains, lead scoring, and webhook triggers
* **Accessible pricing:** Credit system starting at \$89/month, well below enterprise alternatives
* Smaller total database (50M+ domains) compared to BuiltWith's 670M+
* Fewer raw technology signatures (40K+ vs BuiltWith's 95K+), though it covers all major commercial tools
* Newer platform with a smaller user community than established alternatives
* No AI copilot or IT spend intelligence (available in HG Insights)
* No job posting analysis (available in TheirStack)
TechnologyChecker uses [multi-signal fingerprinting](/differentiators#full-stack-detection) combining headless JavaScript rendering, HTTP header analysis, DNS/TLS fingerprinting, and infrastructure probing. 95%+ overall accuracy.
Multi-signal detections (where DNS, HTTP headers, and JavaScript globals all corroborate) produce the highest confidence scores. Every detection includes a confidence score so you can filter by reliability in your workflows.
Balanced accuracy across frontend and backend layers. Browser-only tools have zero visibility into server-side technologies.
### BuiltWith
BuiltWith is the oldest and largest technology profiling platform, tracking over 95,000 technologies across 670M+ websites. It is primarily a research and market analysis tool.
* **Largest database:** 670M+ websites and 95K+ technology signatures
* **Extensive historical data:** Long-term adoption trends going back many years
* **Market share analysis:** Global technology adoption data with industry breakdowns
* **Cyber-risk auditing:** Technology exposure reports for security assessments
* **Broad coverage:** Tracks niche and legacy technologies not found elsewhere
* **No contact data:** Domain-level data only; you need a separate tool to find decision-makers
* **No real-time subscriber/churn signals:** Periodic updates, not instant detection
* **Frontend-heavy detection:** Limited backend and standalone platform visibility
* **Higher price point:** Starts at \~\$295/month with flat-rate pricing
* **No native CRM integration:** Requires manual export or third-party connectors
* **No custom audience exports:** Not designed for ad platform targeting
* **Research-oriented interface:** Not designed for sales workflows or outbound prospecting
BuiltWith excels at identifying large, well-known platforms through static page analysis and crawling. Strong accuracy for traditional CMS and e-commerce platforms.
Static crawling can struggle with modern JavaScript-heavy applications and server-rendered content, where technologies only appear after JavaScript execution. Backend and standalone platform detection is limited compared to headless-rendering approaches.
### Wappalyzer
Wappalyzer started as an open-source browser extension and relies on crowdsourced data from 2.5M+ users. It is the most accessible tool for quick, on-page technology identification.
* **Massive user base:** 2.5M+ browser extension users creating a data flywheel
* **Frontend accuracy:** Highest accuracy for client-side frameworks because the extension sees exactly what the browser renders
* **Market trust:** 18 years of history, 4.7/5 G2 rating with 46+ reviews, named clients including Google and Shopify
* **Browser extension:** Instant technology identification while browsing any website
* **Developer-friendly:** Open-source roots with a familiar interface for technical users
* **Frontend-only detection:** Can't see backend infrastructure, server-side frameworks, or standalone SaaS platforms
* **\~8,000 technologies:** 5x fewer than TechnologyChecker
* **No subscriber/churn signals:** No monitoring or real-time detection
* **No historical data:** Shows current state only, no adoption timelines or trend data
* \*\*Contacts require $450/month:** Business plan needed for decision-maker data; TechnologyChecker includes contacts at $89/month
* **No custom audience exports:** Not designed for ad platform targeting
* **No CRM integration at Pro tier:** Not designed for sales workflows
Wappalyzer's crowdsourced model means high accuracy for anything visible in the browser DOM. With 2.5M+ extension users contributing real-time data, frontend framework detection is strong.
The trade-off: no visibility into backend infrastructure, standalone SaaS platforms, or server-side technologies. These are architecturally invisible to a browser extension.
### 6sense
6sense is an enterprise revenue intelligence platform combining technology data with AI-powered intent signals to identify in-market buyers.
* **AI-powered intent data:** Identifies in-market buyers across millions of signals
* **Revenue AI:** Predictive analytics for pipeline prioritization
* **Full sales suite:** Integrates with major CRM and sales engagement platforms
* **Enterprise depth:** Built for large sales organizations with complex workflows
* **Enterprise pricing:** Starting at \~\$25K/year with annual contracts
* **No real-time technology subscriber/churn signals:** Intent-based approach is different from technology-specific signals
* **Technology is one feature, not the core product:** Technographic data is part of a broader platform
* **No custom audience email exports:** AI handles targeting within the platform
* **Inaccessible for SMB:** Pricing and complexity built for enterprise teams
### HG Insights
HG Insights is the enterprise leader in technology market intelligence, serving 90% of Fortune 100 B2B tech companies with technology intelligence, IT spend data, and Intent-Driven Leads.
* **100,000+ technologies:** Broadest coverage in the market
* **IT spend intelligence:** Unique capability for estimating technology budgets
* **Intent-Driven Leads (IDL):** Managed lead program for enterprise sales
* **AI Copilot:** Natural-language querying of technology data (recently launched)
* **Institutional credibility:** Fortune 100 client base, acquired TrustRadius and MadKudu
* **Deep enterprise features:** Full-featured for large-scale GTM operations
* **\~\$50,000/year pricing:** Inaccessible for most SMB and mid-market companies
* **No real-time subscriber/churn signals:** Different approach to technology intelligence
* **No custom audience email exports:** Enterprise platform not designed for self-serve ad targeting
* **Overkill for smaller teams:** Complexity and cost built for Fortune 500 use cases
***
## Niche and complementary tools
TheirStack combines technology lookup (37,000+ technologies) with job posting analysis (171M postings from 195 countries). Their unique angle is inferring buying intent from hiring — if a company posts for a "Salesforce Admin," they likely use Salesforce.
* **Strengths:** Unique hiring signal intelligence, broad technology coverage, job-posting-based intent
* **Limitations:** No verified contacts, no subscriber/churn signals, no historical data, no custom audience exports, no CRM integration
* **Best for:** Teams that want to combine technographic data with hiring signals. Works well alongside TechnologyChecker.
* **Pricing:** \~\$109/1K credits
Bloomberry (owned by Revealera) specializes in real-time subscriber and churn detection for \~1,200 B2B products. Strong methodology using DNS, certificates, and subprocessor data, with institutional credibility as a hedge fund data supplier.
* **Strengths:** Deep churn detection methodology, hedge fund client credibility, job posting data (2.5M jobs/month)
* **Limitations:** Only \~1,200 technologies (vs 40,000+), no verified contacts, no custom audience exports, limited historical data (since 2019)
* **Best for:** Financial analysts and investors who need high-confidence churn signals for a focused set of B2B products
* **Pricing:** \$199/month
An enterprise sales intelligence suite that includes technographic data alongside contact and company information. Technology detection isn't the primary product; it's one feature within a larger platform.
* **Strengths:** Large contact database, intent data, and sales engagement tools in one platform
* **Limitations:** Annual contracts typically start at \$15K+, technographic depth is limited compared to dedicated tools, and technology data may lag behind specialized platforms
* **Best for:** Enterprise sales teams already using ZoomInfo for contact data who want basic technographic filtering
Landbase is an agentic AI GTM platform (\$42.5M funded, 825% revenue growth) that automates entire GTM workflows. Their technology directory (\~20 categories) is primarily an SEO strategy, not their core product.
* **Strengths:** AI-powered GTM automation, well-funded with rapid growth, 1,500+ intent signals
* **Limitations:** Technology coverage limited (\~20 categories), no historical data, different product category (AI automation vs. technology intelligence)
* **Best for:** Teams wanting fully automated AI-driven GTM workflows rather than technology intelligence data
* **Pricing:** \~\$90/3K credits
Primarily contact databases that use technographic data as a filtering dimension. You can search for "companies using Shopify" as a lead filter, but the technology data isn't as deep or historical as dedicated platforms.
* **Strengths:** Strong contact data with email verification, affordable pricing, built-in outreach tools
* **Limitations:** Shallow technology data (used as filter, not core product), no historical trends, limited backend detection
* **Best for:** Teams that need contact data first and technology filtering as a secondary capability
***
## Choosing by use case
**Recommended: TechnologyChecker**
Outbound sales teams need technology signals connected to verified contacts. A tool that tells you "Company X uses Salesforce" without saying who to contact just creates more research work.
TechnologyChecker provides:
* Technology data + verified decision-maker emails in one lookup
* Real-time subscriber/churn alerts (with contacts attached)
* [Lead lists](/features/lead-lists) with technology and firmographic filters
* Custom audience exports for ad platform targeting
* CRM automation to sync data directly to your pipeline
* [Bulk enrichment](/api-reference/introduction#company-data) for pipeline building
**Alternatives:** ZoomInfo (if you need a broader sales intelligence suite and have budget for enterprise contracts), 6sense (if you need AI-powered intent data at enterprise scale), Apollo.io (if contacts are the priority and technology filtering is secondary).
**Recommended: TechnologyChecker**
GTM teams running ABM campaigns need technology-segmented audiences with verified contacts for ad targeting and personalized outreach.
TechnologyChecker provides:
* Custom audience exports for LinkedIn, Facebook, and Google Ads
* Technology + role + company size filtering for precise targeting
* Suppression lists based on current technology usage
* Subscriber/churn signals for dynamic audience refresh
* ICP pattern analysis from 20-year historical data
**Alternatives:** 6sense (if you have \$25K+/year budget and want AI-driven targeting), HG Insights (if you need IT spend intelligence for enterprise ABM).
**Recommended: BuiltWith or TechnologyChecker**
Market researchers and investors need broad datasets for trend analysis, market sizing, and competitive mapping.
BuiltWith has the broadest coverage (670M+ domains, 95K+ technologies). TechnologyChecker provides 20-year historical data with real-time subscriber/churn signals, company contacts, and accessible pricing ($89/month vs $295+/month). Sufficient for most research needs outside Fortune 500 enterprise analysis.
**Alternative:** HG Insights if you need IT spend intelligence and have enterprise budget (\$50K+/year).
**Recommended: Wappalyzer**
Developers and agencies doing quick technology checks while browsing need a lightweight, accurate extension for frontend identification.
Wappalyzer provides:
* Instant identification of frontend frameworks in the browser
* Highest accuracy for client-side libraries (React, Vue, Angular)
* Simple, developer-friendly interface with 2.5M+ user community
**Alternative:** TechnologyChecker if you also need backend detection, [live scanning](/api-reference/introduction#live-detection) via API, or integration with sales workflows.
**Recommended: TechnologyChecker**
Customer success teams monitoring existing accounts for competitor adoption need real-time subscriber/churn signals tied to historical patterns and verified contacts.
TechnologyChecker provides:
* [Real-time alerts](/differentiators#real-time-churn-and-adoption-alerts) when customers adopt competing platforms
* Churn prediction using 20-year historical data
* Replacement technology detection (see what they switched to)
* Verified contacts for proactive retention outreach
* Custom audience exports for targeted retention campaigns
**Alternative:** Bloomberry if you need high-confidence churn signals for a focused set of \~1,200 B2B products (strong in financial/institutional contexts).
***
## Related pages
Core differentiators, full-stack detection details, and platform capabilities.
Browse the full catalog of 40,000+ tracked technologies.
Build targeted prospect lists with technology and company filters.
Full REST API documentation with interactive examples.
## Frequently asked questions
TechnologyChecker is the only platform that combines technology detection with verified decision-maker contacts, real-time subscriber/churn signals, custom audience exports, and CRM automation in one tool at $89/month. Enterprise alternatives (6sense, HG Insights) have deeper AI and intent capabilities but start at $25K+/year. See the [outbound sales](#choosing-by-use-case) comparison for details.
All major platforms achieve high accuracy on well-known technologies like Shopify and WordPress. Wappalyzer leads on frontend frameworks because its browser extension sees exactly what the browser renders. TechnologyChecker achieves 95%+ overall accuracy with balanced detection across frontend and backend layers. BuiltWith excels on traditional platforms but static crawling can miss modern JavaScript frameworks. See the accuracy tabs in each [detailed breakdown](#detailed-breakdowns).
BuiltWith's 95K+ count includes many legacy, deprecated, and niche technologies accumulated over its longer history. TechnologyChecker's 40K+ signatures focus on commercially relevant technologies across all layers: frontend, backend, and standalone platforms. For most sales, GTM, and market analysis use cases, 40K+ technologies cover the tools that matter.
6sense ($25K+/year) provides AI-powered intent data for enterprise sales teams. HG Insights ($50K+/year) provides IT spend intelligence for Fortune 100 companies. TechnologyChecker provides real-time subscriber/churn signals, verified contacts, custom audience exports, and 20-year historical data at \$89/month. That makes it accessible to SMB and mid-market teams.
Yes. Some teams use BuiltWith for broad market research and TechnologyChecker for sales execution with contacts, signals, and custom audiences. Others combine TechnologyChecker's technographic data with TheirStack's hiring signals for multi-signal intelligence. The tools serve different primary use cases and can complement each other.
TechnologyChecker starts at $89/month with 10,000 credits (Pro plan). Wappalyzer starts at ~$250/month with \~5,000 lookups and no contacts. BuiltWith starts at \~$295/month with flat-rate pricing. Bloomberry starts at $199/month. TheirStack is \~$109/1K credits. Enterprise tools (6sense, HG Insights, ZoomInfo) typically require annual contracts starting at $15K-\$50K+. TechnologyChecker includes contacts, subscriber/churn signals, custom audience exports, and CRM integrations at the lowest price point.