More than an AI chat. Your full study system.
Upload anything and Didata builds your notes, flashcards, exercises, and mind maps — or start from scratch. Practice with a 10k+ question bank, fix your essays, and know what to review and how to improve, subject by subject.
- 435 studies
Proven by the science
Spaced repetition has been validated across 435 studies — and it's the engine scheduling every review inside Didata.
— Educational Psychology Review
- 61,000 students
Tested with real learners
The studies behind spaced repetition pooled results from more than 61,000 students — real learners across classrooms, not lab volunteers.
- 10k+ exercises
Real exam questions, drilled by source
ENEM, entrance exams, medical residencies, public tenders — organized by source, edition, and subject so you can drill exactly what you need.
- 5k+ flashcards
Ready-made decks, reviewable day one
Skip the deck-building chore and start reviewing immediately with curated decks across the subjects that matter.
- 01Ingest
Bring every source into one place.
PDFs, YouTube videos, audio, or plain text — Didata transcribes, processes, and indexes each one. No material yet? Type a topic and pull from our own bank: 10,000+ questions and 5,000+ ready-made flashcards.
- →Import any materialPDF, YouTube, audio, or text
- →Start from a topicGenerate without uploading anything
- →Question bank and pre-built decks10k+ questions, 5k+ flashcards
Your library
01 · 04Bring yours. Or start from ours.
PDFYouTubeAudioTextorCurated bankStart from a topic10k+ questions · 5k+ flashcards - →
- 02Materials
Didata builds your study material.
Notes with images and formulas. Flashcards that adapt to your recall speed. Multiple-choice and open-ended exercises across three difficulty levels. Mind maps you can reshape as you learn.
- →NotesStructured, editable, LaTeX support
- →FlashcardsSpaced repetition integrated
- →ExercisesMultiple choice and open-ended, calibrated
- →Mind mapsRadial, fully editable
Built from your material
One source. Four ways to study.
Your materialDidataNoteFlashcardExerciseMind mapStop assembling study material by hand — Didata handles the busywork.
- →
- 03Review
Practice the way that sticks.
Spaced repetition with four self-assessment levels. Exercises that pull from your material and our question bank. Essay correction using the rubric you pick — ENEM, vestibular, concurso, or your own — with inline comments and per-criterion scores. Pomodoro integrated with playlists.
- →Spaced repetitionEach card scheduled at the right moment
- →Essay correctionYour rubric, inline comments, scored
- →Pomodoro integratedFocus sessions with playlists
03 / 12Review in progress
Rate once. The next review adapts.
Biology · Krebs cycleWhich step regenerates oxaloacetate?
Forgot<1minHard3 daysGood7 daysNowNext reviewEasy14 daysRetention curve0d · 3d · 7d · 14d - →
- 04Progress
Know what to do in your next session.
Didata Score reads retention, performance, regularity, and consolidation for each subject to turn progress into direction. Instead of just showing a number, it points to what to review now, what needs reinforcement, and where you can keep moving forward.
- →Didata ScorePractical guidance by subject
- →Progress signalsShow where to push and where you're improving
- →Streaks and heatmapRhythm you can use to adjust your routine
Didata Score · Biology
This week's focusToday's recommendationReview 4 Krebs flashcards today to get Biology back into rhythm.
You barely revisited this topic across different study formats this week.
- →
Your library
01 · 04Bring yours. Or start from ours.
Progress with direction
Don't use progress only to look back. Use it to decide what to do now.
Didata tracks every subject and turns study signals into practical guidance: what to review, where to push harder, and what's already improving.
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Each subject shows your real priority
Didata Score summarizes where that subject stands so you do not waste energy interpreting the dashboard. In seconds, you can tell whether it is time to rebuild the basics, reinforce review, or keep your momentum.
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The signals explain the recommendation
Retention, performance, regularity, and consolidation show why that suggestion appeared. When one drops, you can tell whether you need more review, more practice, more consistency, or broader contact with the topic.
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A recommendation you can act on right away
‘Review 8 physiology flashcards before bed.’ ‘Redo the 3 mixed-chemistry questions you missed on Monday.’ Specific enough to act on — today, in the time you have.
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Your history helps you adjust your routine
The heatmap shows when you disappear, when you lock in, and when you perform best. That helps you plan the next week from what is actually happening, not from guesswork.
- Retention 82
- Performance 76
- Regularity 91
- Consolidation 48
Review 8 physiology flashcards before bed to get your rhythm back.
AI for studying
An AI that belongs in your study routine.
Not a general-purpose chatbot. A purpose-built study AI — with the right formats, the right focus, and real limits on what it touches.
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Built for learning, not chatting
Notes, flashcards, exercises, mind maps, essay feedback — every output is shaped for how people actually study, with formats, difficulty levels, and review cadence that match the material.
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Grounded in your material
Everything is generated from your PDFs, videos, audio, text, or our curated question bank — and the source sits right behind every answer so you can verify it.
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Your data stays yours
LGPD-compliant, with full deletion on request. Nothing you upload trains any model — ours or anyone else's.
Real students, real routines.
ENEM, entrance exams, medical residency, public tenders, college — same Didata, different finish lines.
Transparent pricing
One plan. Every tool. No paywalls between you and studying.
Full access to the whole hub with clear monthly limits — no per-tool upsells, no surprises. Cancel anytime.
Didata Plan
CompleteFor learners who want complete freedom to create and organize any study content.
equivalent to R$8/mo
Mind maps
100/mo
Flashcards
100/mo
Exercises
100/mo
Notes
100/mo
Essay correction
20/mo
Included in the plan
- Access to the Pomodoro focus timer that syncs with your favorite YouTube playlist
- Smart review scheduling that adapts to your learning pace
- Notes workspace with advanced editor, attachments, and material generation
- Build custom exercise lists from the exercises database
- Continuous Marathon mode for practice sessions at your own pace
- Access to free store decks
- Advanced analytics with exclusive Didata Score
- Support via email and WhatsApp
Didata+
For learners who want access to exclusive resources.
one-time payment
- Access to 4,000+ exclusive cards from premium store decks
- Access to exclusive mindmaps
Works alongside the plan. Access exclusive content created by specialists to strengthen your preparation.
Secure payment via Stripe. Cancel anytime, without bureaucracy.
FAQ
Questions before you start?
Straight answers on how Didata works, what it generates, and how your data is handled.
Still have questions?
Get in touchStart your study plan today.
Turn your first PDF, video, or class into notes, flashcards, exercises, and mind maps.