TechnologyChecker.io
Depends
Confidence: Medium
Buy if your sales or GTM team prospecting by tech stack at scale . the data depth and churn signals are real.
New check
Comparison
TechnologyChecker.io vs Wappalyzer
TechnologyChecker.io and Wappalyzer both land on Depends.
Wappalyzer
Depends
Confidence: Medium
Buy if your GTM team targets prospects by tech stack weekly and will actually use the lists or APIs.
| Compare | TechnologyChecker.io | Wappalyzer |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Sales teams prospecting by tech stack | SaaS sales teams selling into specific tech stacks |
| Who it's not for | Small teams doing occasional one-off tech lookups | Small teams that just need a simple contact list |
| Privacy | No known public vulnerabilities found in the sources reviewed.11 | One disclosed breach in 2020; no newer incidents found in sources reviewed. |
| Support quality | Only tier names public; no quality evidence | No support evidence found |
| Public sentiment | The seven G2 reviewers rate it 4.9/5 and report few complaints, but independent user feedback is thin.⁷ | G2 users rate Wappalyzer 4.7/5 and praise its easy tech detection, while some Reddit users gripe about pricing and noisy results. |
| Biggest gotcha | API usage is credit-based per endpoint . costs can climb with volume³ | Pricing called "a mess" by third-party reviewers . audit plan limits before committing.13 |
Pick TechnologyChecker.io when
- Sales teams prospecting by tech stack
- GTM teams monitoring customer churn signals
- Market-share and competitive analysts
When TechnologyChecker.io is not a fit
- Small teams doing occasional one-off tech lookups
- Anyone unwilling to pay $89/mo for list building
- Buyers who need a large independent review base
- Risk-averse buyers wanting an established vendor
Pick Wappalyzer when
- SaaS sales teams selling into specific tech stacks
- Competitive intel on rival installs
- CRM enrichment for tech-led outreach
- Developers auditing site stacks
When Wappalyzer is not a fit
- Small teams that just need a simple contact list
- Buyers who hate confusing pricing tiers
- Anyone wanting occasional free lookups . extensions cover that
Sources
- TechnologyChecker.io homepagetechnologychecker.ioofficial
- TechnologyChecker.io Pricingtechnologychecker.ioofficial
- TechnologyChecker.io Docs . signals and credit coststechnologychecker.ioofficial
- About Us . Go Yazilim Danismanliktechnologychecker.ioofficial
- TechnologyChecker vs Wappalyzertechnologychecker.ioofficial
- BuiltWith Alternatives in 2026technologychecker.ioofficial
review
review
- Gridinsoft Reputation Reviewgridinsoft.comsecurity
- Trust Centertechnologychecker.iosecurity
- Wappalyzer Pricing Plans, Costs & What You Get in 2026derrick-app.comreview
- Plans & pricingwappalyzer.comofficial
- Wappalyzer - Technology profiler - Chrome Web Storechromewebstore.google.comofficial