Examinizer VS Diffee

Compare Examinizer VS Diffee and see what are their differences

Rating: 0 reviews
Pricing: Freemium €8 (per certificate)
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Rating: 0 reviews
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Base details

Website, pricing, platforms and company facts side by side.

	Examinizer	Diffee
Website	examinizer.net	diffee.me
Pricing	Freemium €8 (per certificate) Official pricing	—
Platforms	Web Mobile	—
Company	Startup from the Czech Republic · 1 - 9 employees · 2025	—
Listed in	Online Education Education Exam Questions	Office & Productivity WordPress Personalization Online Services +1

About Examinizer and Diffee

In their own words, as submitted to SaaSHub.

Examinizer

Diffee

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...

Features and specs

What each product offers, as listed by its team.

Examinizer 3 features

Diffee 0 features

Languages
13 languages tested (EN, DE, FR, ES, IT, PT, TR, AR, ZH, KO, BG, CZ, PL)CEFR LevelsAll 6 levels: A1, A2, B1, B2, C1, C2CertificateInstant QR-verified PDF, shareable on LinkedIn
CEFR Levels
All 6 levels: A1, A2, B1, B2, C1, C2
Certificates
Instant QR-verified PDF, shareable on LinkedIn

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Examinizer

Diffee

Overall verdict

Examinizer appears to be a lesser-known online examination/testing platform, and there is limited independent, verifiable information available about its reliability, security, and overall performance. Without substantial user reviews, third-party audits, or a strong public track record, it's difficult to confidently vouch for its quality compared to more established competitors in the online exam software space.

Why this product is good

Lacks widespread user reviews or testimonials to verify claims of functionality and reliability
Limited information available regarding data security and privacy practices, which are critical for exam platforms
Unclear track record compared to established competitors like ProctorU, Examity, or Google Forms for simpler use cases
May offer basic features suitable for small-scale testing needs, but advanced features and scalability are unverified
Pricing transparency and customer support quality are not well-documented publicly

Recommended for

Users seeking a low-stakes, small-scale examination tool for casual or internal use
Educators or trainers who want to test out lesser-known platforms before committing to paid alternatives
Those willing to conduct their own due diligence and trial testing before relying on it for high-stakes exams
Not recommended for institutions requiring robust security, proctoring, or compliance certifications for formal certification exams

No analysis of Diffee yet.

Videos

Walkthroughs and reviews on video.

Examinizer 0 videos + Add

Diffee 3 videos + Add

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Mr. Diffee Reviews The Tattooed Sales Guy

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

Examinizer

Diffee

100% 100%

0% 0%

100% 100%

0% 0%

100% 100%

Questions & Answers

As answered by people managing Examinizer and Diffee.

What makes your product unique?

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.

Why should a person choose your product over its competitors?

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.

How would you describe the primary audience of your product?

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.

What's the story behind your product?

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.

Which are the primary technologies used for building your product?

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.

User comments

Share your experience with using Examinizer and Diffee. For example, how are they different and which one is better?

Alternatives to Examinizer and Diffee

When comparing Examinizer and Diffee, you can also consider the following products.

Testizer
TESTIZER is a web-based service that provides exams designed to evaluate language abilities and professional competencies

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