Side by side
BioNinja vs Cognito
Both stand on study guide websites. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
BioNinja offers a broad set of free curriculum materials for IBDP Biology, including topic notes, worksheets, practical resources, and report guidance. Its work-in-progress status and stated possibility of broken links or errors are worth keeping in mind.
Visit BioNinja
Free plan Web
Students looking for revision materials and practice across the listed exam levels should consider Cognito, which offers free access and a broad course catalog. Those who need uncapped weekly flashcards and exam questions can consider Pro; schools can ask about tailored licensing.
Visit CognitoThe facts
| BioNinja | Cognito | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Free or on request | Cognito Pro: £9.99 a month |
| Plans published | 1 | 2 |
| Maker | Not published | Cognito |
| Website | ib.bioninja.com.au | cognito.org |
| On study guide websites | #8 of 31 | #12 of 31 |
BioNinja: what it does well
- Covers standard-level and higher-level IBDP Biology
- Worksheets span all 12 topics
- Includes quizzes and data-analysis tasks
- Links to practical-work and report resources
What to know first
- The site may contain broken links
- The site may contain spelling mistakes
- Described as a work in progress
Cognito: what it does well
- Covers KS3, GCSE, A-level, IB, and AP study.
- Offers video lessons, notes, quizzes, flashcards, and exam-style questions.
- Catalog spans 15 subjects and 10 exam boards.
- Students can create their own quizzes and flashcard decks.
- School licences include teacher dashboards and progress tracking.
What to know first
- Cognito Pro is £9.99 a month, billed monthly.
- AI marks are practice feedback rather than formal assessment.
- AI marking sends questions and answers to Cerebras in the United States.
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