The best Wappalyzer alternatives in 2026. Go past one site at a time.
We compared the best Wappalyzer alternatives on what they can see, how early they catch a switch, contacts and price.
The best Wappalyzer alternative is Incumbently if you need lists of accounts and alerts rather than single-site checks. BuiltWith is the closest like-for-like option for front-end technology data. TheirStack, Sumble and PredictLeads each fit a narrower need.
- Best overall: Incumbently, sales teams selling against a competitor
- Good for: BuiltWith, the widest list of front-end website technologies
- Good for: TheirStack, low-cost job-post data and a jobs API
Why teams look past Wappalyzer.
The extension is great for a quick look, not for building a pipeline.
Plan credits expire after 60 days.
Back-end tools and hiring plans don't show in the browser.
Its pricing page lists no AI or MCP features.
5 Wappalyzer alternatives, ranked.
- 1
Incumbently
Best for: Sales teams selling against a competitorAgents watch DNS records, subdomains, certificate logs, website code, job posts, new hires and press for 1,500+ software products. Every signal is dated. Ask in Claude, ChatGPT or Cursor through MCP, or use the dashboard, alerts and API.
- How it detects
- Infrastructure, job posts, new hires, news and 75+ other signals
- Price
- Free plan with a monthly report. Pro $149/mo (3 tracked tools). Max $249/mo (10). Enterprise custom.
- Sees back-end tools and hiring intent
- Switch alerts that say what changed
- Buyer contacts and MCP access included
- Tracks 1,500+ business software products, not every website widget
WebDNSCertsJobsHiresNewsSwitchContactsMCPAlertsWhich companies using Datadog look like they're moving to Grafana?Incumbently · find_switching_accountsincumbent: Datadog · challenger: Grafana · last 30 daysI found 18 accounts with switch signals in the last 30 days. Here are the strongest five, each with the signals behind it:
CompanySignalsSwitch scoreFirst signalCorvid LabsJobs8710d agoJuniper PayJobsCertDNS7912d agoTidewater FreightJobsHire7426d agoHalcyon HealthJobsCertDNS6216d agoSaltbox RetailCertDNS5226d ago46 sources · open any row to see the DNS record, certificate or job post
Ask a follow-up…Illustrative · asked in an AI assistant with the Incumbently MCP server connected - 2
BuiltWith
Best for: The widest list of front-end website technologiesBuiltWith crawls websites and identifies the technologies they load, with 128,000+ technologies across 490M+ domains. It is strongest on front-end tools like analytics tags, CMSs and plugins. It also offers MCP tools and a plain-English query API.
- How it detects
- Front-end website crawling
- Price
- $295, $495 or $995 per month. Basic tracks 2 technologies.
- Huge index of website technologies
- Long history of when sites added or dropped a tag
- Can't see most back-end tools
- No hiring or people signals
WebMCP - 3
TheirStack
Best for: Low-cost job-post data and a jobs APITheirStack reads job posts from hundreds of thousands of sources and infers which technologies companies use, with a confidence level and links to the jobs. It has a free plan, a cheap API, webhooks and an MCP server. Its docs say it does not infer when a company stops using a tool.
- How it detects
- Job postings only
- Price
- Free plan. API from $49/mo. App packs $109–$999 one-time.
- Large job-post dataset
- Low entry price and a free plan
- Webhooks and MCP server
- Job posts only, no infrastructure proof
- No removal detection
- No people or contact data
JobsMCPAlerts - 4
Sumble
Best for: Team-level account mapping in large accountsSumble builds a knowledge graph of companies, teams, people, technologies and projects, mostly from job posts and people data. It maps which teams use which tools and who to contact. It has an MCP server listed in Claude and ChatGPT, a free plan and a $99 Pro plan.
- How it detects
- AI-built knowledge graph from job posts and people data
- Price
- Free plan (500 credits/mo). Pro $99/mo.
- Team and org-chart detail
- Low price and a free plan
- MCP server
- Signals come from job posts and people data, not infrastructure
- No infrastructure-based removal events
JobsHiresContactsMCP - 5
PredictLeads
Best for: Developers who want raw signal feedsPredictLeads sells company signal datasets through an API: technology detections from job posts, website scripts and DNS, plus job openings and news events, each with first and last-seen dates and evidence references.
- How it detects
- Job posts, website scripts, DNS records and review sites
- Price
- Credits from $0.002 to $0.04 each, $40/mo minimum.
- Several detection sources with evidence
- Cheap per-record pricing
- A data feed, not a product for sellers
- No alerts or analysis built for sales
WebJobsNewsMCP
All five, feature by feature.
Who sees a switch first.
Each tool can only see the steps its data sources cover. Here is the same typical switch through each one.
Five questions to ask. Before you sign anything.
Run these against any Wappalyzer alternative, including us.
- Can it build a list of every company using a tool?
- Does it alert you when an account changes?
- Can it see tools a browser can't?
- Do credits roll over or expire?
- Can you ask it questions in plain English?
Wappalyzer alternatives, answered.
Incumbently, TheirStack and Sumble all have free plans. The Wappalyzer extension itself is also free for single-site checks.
Incumbently, BuiltWith, TheirStack and Sumble all offer MCP access. Incumbently returns switch events and stack changes, not only a list of tags.
- BuiltWith plans
- BuiltWith API
- Valley technographics guide (refresh rates)
- TheirStack pricing
- TheirStack: how we source tech stack data
- Sumble pricing
- Sumble MCP docs
- PredictLeads
Wappalyzer is a trademark of its owner. We compare products using public pricing and documentation. Features and prices change. If something here is out of date, email us and we will fix it.
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