Last updated 08-10-2026
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Doctrina
Doctrina was an AI education suite that helped students and teachers generate quizzes, exams, essays, and enriched class notes from study material. The platform also offered an AI chat tutor, math solver, geometry visualizer, and tools in more than 100 languages for global learners.
At the time of this check, doctrina.ai returned a Cloudflare origin DNS error (1016) and www.doctrina.ai was unreachable. Web search found no active replacement URL, though third-party reviews from early 2026 still described the product as live.
The listing is flagged for editorial review because the published domain no longer resolves to a working application.
Quiz and exam generator from uploaded study material or book titles
Essay writer and class note enrichment with a 350-character free-tier note limit
AI chat tutor and speech tutor on the premium plan
Geometry visualizer and step-by-step math solver for STEM subjects
Support for 108 plus languages across study tools
Lifetime premium access listed at a one-time $10 payment on third-party pricing pages
SDK for educational institutions to embed Doctrina tools in existing platforms
Combined quizzes, exams, essays, and tutoring in one education-focused suite
One-time $10 lifetime premium was unusually affordable versus subscriptions
108 plus language support for international students
Published domain no longer resolves to a working site
Free tier capped note enrichment and exam access
Live pricing and features could not be verified during this check
What was Doctrina?
Doctrina was an AI education platform for students and teachers to generate quizzes, exams, essays, summaries, and enriched study notes. Doctrina also included an AI chat tutor and subject-specific math and geometry tools.
Is Doctrina still online?
As of August 2026, doctrina.ai shows a Cloudflare DNS error 1016 and www.doctrina.ai does not load, so the Doctrina web app is not reachable at its published URL.
How much did Doctrina cost?
Doctrina offered a free tier with limited quiz, essay, and note tools. Doctrina premium was listed at a one-time $10 lifetime payment for unlimited access to exams, note enrichment, and AI chat according to third-party reviews.
What languages did Doctrina support?
Doctrina supported more than 108 languages across its study tools according to product directories, letting students generate quizzes and notes in languages beyond English.
Who was Doctrina for?
Doctrina targeted students, teachers, and educational institutions that wanted AI-generated study materials, lesson prep tools, and an SDK to embed generative AI into existing learning platforms.