
Testizer
ClassMarker
Teachable
Treehouse
CEFR language tests in 13 languages. Free test, instant QR-verified certificate for €8.

Website, pricing, platforms and company facts side by side.
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Full Stack Marketer
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| Website | examinizer.net | hackthejobhunt.com |
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| Company | Startup from the Czech Republic · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

Examinizer is a multilingual language proficiency testing platform aligned with the CEFR framework. Take free tests in 13 languages — English, German, French, Spanish, Italian, Portuguese, Turkish, Arabic, Chinese, Korean, Bulgarian, Czech, Polish — across all six levels A1–C2. Pass and get an...
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What each product offers, as listed by its team.

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As answered by people managing Examinizer and Full Stack Marketer.
Examinizer's answer
Examinizer is the only platform offering CEFR-certified language tests across 13 languages at all 6 levels (A1–C2). Most competitors focus on English only. Tests are free, the certificate costs €8, and it includes QR verification that employers can check in seconds.
Examinizer's answer
EF SET and Duolingo English Test cover only English. Testizer has limited languages and no instant certificates. Examinizer covers 13 languages, issues a verifiable PDF certificate immediately after passing, and allows one-click sharing to LinkedIn.
Examinizer's answer
Job seekers who need language proof for applications, students applying to international programs, HR teams screening candidates at scale, and independent learners tracking CEFR progress.
Examinizer's answer
Founded in Prague by Peter Shimanov (POSAYSHINE s.r.o.). The idea came from a simple problem: official language exams cost €150–300 and require travel to test centres. Examinizer offers a credible, affordable online alternative.
Examinizer's answer
PHP 8.2, MySQL 8.0, Python (ReportLab for PDF), Claude AI API for adaptive testing and question classification, myPOS for payments.
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Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
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