Tellstack

Checked 28 Oct 2026 · Sources · All comparisons

Wappalyzer alternative

Wappalyzer’s cheap plans cover its extension and website lookups; its API starts on the $450 Business plan. Tellstack’s API is on every plan, free included, with 10,000 lookups for £49.

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Side by side

Tellstack and Wappalyzer side by side
FeatureTellstackWappalyzer
Cheapest paid plan£49 a month: 10,000 credits and 500 watches, API includedPlus: $10 a month for 200 lookups, the extension and iOS app; no lead lists, bulk lookups, CRM or API
Cheapest plan with the APIFree, then £49 a monthBusiness: $450 a month ($4,500 a year) with 20,000 API credits, 5 users
Price per lookup0.49p, or 0.39p from 5 blocks$0.05 on Plus and Pro; $0.0225 an API credit on Business
Other plans£41 a month billed yearly; £39 a block from 5 blocksPro $250 a month (5,000 lookups, lead lists for 2 technologies, no API credits); Enterprise from $850
Free100 lookups a month, 10 watches, the top 25 rows of any list, the whole API; no card50 lookups and email verifications a month, 5 website alerts, sample lead lists; the extension is free
What a credit isOne lookup, cached or live, or 10 list rows“typically 1 credit per website”; 5 for a live recursive lookup. Plan credits expire after 60 days
Lookup APIOne domain, or bulk jobs of up to 10,000 in JSON or CSV1 to 10 URLs a request; unknown sites are crawled and sent to a callback within 15 minutes
What a finding includesName, categories, version, confidence and the evidence that gave it awayName, categories, versions, traffic rank, confirmed date; company and contact fields at no extra cost
Sites using a technologyFrom our own index, most visited first, by country domain and first-seen date. The index is youngLead lists filtered by technology, country, industry, company size and traffic; 1 credit a website
ChangesPer-site history; watches on a domain or technology, sent to signed webhooksWebsite alerts; history by month “subject to availability”
Technologies7,647, from webappanalyzer, the open continuation of Wappalyzer’s old fingerprints8,166 across 106 categories
FreshnessIndex rescanned monthly, watched sites weekly, live scans on requestTechnologies re-verified “at least once a month”; company details quarterly
Contacts and CRMNone; webhooks and CSVEmails, phones and company data; Salesforce, HubSpot, Pipedrive, Zapier, Make
Browser extensionNoneChrome, Firefox, Edge and Safari, with “over 2.5M users”
Prices inPoundsUS dollars

Where Wappalyzer is stronger

Where Tellstack fits

Switching

Our fingerprints share Wappalyzer’s old open format, so technology names and categories will mostly look familiar. Run a free key over a sample of the domains you already enrich and compare before you move a pipeline.

Sources

Read on 28 Oct 2026. Wappalyzer prices are in US dollars, as its pricing page shows them. They may have changed since.

  1. wappalyzer.com/pricing: plans, quotas, credits
  2. wappalyzer.com/plus: what Plus covers
  3. wappalyzer.com/faq/pricing and faq/api: free plan, freshness, extension users
  4. wappalyzer.com/docs/api/v2/lookup: lookup API, credits, history
  5. wappalyzer.com/docs/api/v2/lists: lead lists
  6. wappalyzer.com/technologies: technology count
  7. wappalyzer.com/apps: extensions and integrations
  8. wappalyzer.com/about

Wappalyzer is a trademark of its owner. Tellstack is made by Onibaku and isn’t affiliated with or endorsed by Wappalyzer. Spot something out of date? Email admin@onibaku.co.uk and we’ll correct it.