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Critikid vs OppTests

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Critikid compared with OppTests
DetailCritikid logo CritikidOppTests logo OppTests
What it doesCritical thinking resources for kids and teens Generate practice tests from PDFs with AI-powered multiple-choice questions
StageNot given Not given
FoundedNot given Not given
Based inNot given ES
Pricing modelPaid Freemium
PricingIndividual courses from US$10-US$20. Worksheets and lesson plans from US$5-US$12. Bundles from US$17-US$100 (discounted from US$20-US$100). Some materials free. Free: 0€/month with 3 files, 5 tests/month, 2MB file limit. Basic: 4.99€/month with 25 files, 100 tests/month, 25MB file limit. Premium: 9.99€/month with 100 files, 500 tests/month, 100MB file limit. Annual billing available with 17% savings.
Key features
  • Interactive story-based courses with videos and activities
  • Social media simulator for practicing misinformation detection
  • Printable worksheets and lesson plans for classroom use
  • Age-differentiated content from ages 5-18
  • Critical thinking bundles with discounts
  • Logic puzzle cards with varied difficulty levels
  • AI-generated multiple-choice questions from PDF content
  • OCR for scanned PDFs with automatic text recognition
  • Timed mock exam mode and untimed review mode
  • Answer review with explanations and source excerpts
  • Retry missed questions and selective review options
  • Export tests to PDF and Word formats
  • Score saving and progress tracking
  • Support for multiple languages
  • Private data storage with strict isolation architecture
  • Different question types beyond multiple choice on paid plans
What makes it different
  • Gamified critical thinking training through engaging story-based interactive courses
  • Safe environment for children to practice identifying misinformation and manipulation
  • Created by science educator and web developer with family commitment to quality
  • Short, engaging videos designed for modern learners
  • Covers essential skills for evaluating information in the digital age
  • Generated questions include source excerpts from your original documents for context-based review
  • Automatic OCR processing allows studying from scanned PDFs without selectable text
  • All user rights to generated content are assigned to the learner for personal educational use
  • User content is never used to train AI models or shared with other users
  • Free plan with no time limit gives access to core features without payment requirement
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)26 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)130
Citation Flow (Majestic)270
Referring domains (Majestic)580

5 details filled in for both companies.

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