Take a photo. Get the grade.
Photograph the answer sheet and the AI compares it with the key, counts the hits and works out the student's grade, in seconds, with no manual marking.
Turn any document
into an intelligent test.
Upload a PDF, a note or a textbook chapter. Get a test, a mind map and a presentation in minutes. Study solo or challenge your class in the arena.
Upload the handout or the lesson chapter. Get a test with answer key and rationale, run it live in class through the arena and grade exams from a photo.
- Test — 10 questions with answer key in 35 s
- Arena — Your class answering live
- Mind map — The whole chapter on one screen
- Presentation — Slides ready for class
- Essay — Scored per competency, ENEM standard
- Photo grading — Snap the answer sheet, get the grade
- Classroom — Classes, assignments and tracking
- Library — Official ENEM exams ready to import
- VideoLab — Video lesson turned into study
No card · you choose to watch a video and generate free · For students and teachers
From raw document to ready-made test, in 3 steps.
Upload or describe
PDF, slides, photo of a note or a plain-text brief.
The AI structures
The AI generates the test, map and presentation. You review and edit each item.
Study or open an arena
Solve it alone or open an arena. Code and password auto-generated, ranking live.
Watch a PDF become a test and get answered, for real.
Real platform recording: a biology chapter in PDF becomes a 10-question test, the student answers it and gets the result with answer key. Generation and answering segments sped up.
Arena - study by competing, live.
Most correct answers in the shortest time wins. Open a room from any test: code and password auto-generated. Everyone answers at once, final podium.
Built for students and teachers.
Essays graded ENEM-style.
Students and teachers create essay prompts. The student practices and the AI analyzes the text, returning a score per competency (0–1000); the teacher grades the class's essays with the same support.
Ready-made exams to import.
A public library of themes and exams, such as the ENEM editions, that students and teachers import with one click and start using right away, without building from scratch.
Students and teachers in one place: import ready-made exams from the library, create and practice essays with AI analysis. Teachers also grade exams by photo and their class's essays.
Studying should be an act of discovery, not transcription. SimulAI gives that time back to you.
Every module.
One unified study flow.
Tests from PDF, DOCX or a photo of your notes.
Multiple choice with 4 to 8 alternatives. Each item carries an answer key, rationale and source reference. Everything editable, with AI suggestions.
Study by competing: multiplayer rooms with live ranking.
Open a room from any test. Score by accuracy and time, leaderboard at the end, history per player.
Maps that connect.
Navigable maps from the same source. Export to PDF (Free) or DOCX (PRO). Free editing.
Slides in minutes, not hours.
Decks with table of contents and chapters. Export to PDF or PPTX, or open in Gamma for visual polish.
Your lecture becomes a laboratory.
Analysis, mind map, study plan, test and chat - from a single video.
For teachers and institutions.
Reclaim the hours of prep - without giving up pedagogical rigor.
AI-editable question bank
Every question ships with answer key, rationale and source reference. Rewrite by hand or ask the AI.
Live in-class arena
Run in the lab or on student phones. Auto code, password, live ranking and final podium.
Moderation and room safety
Reports and sanctions inside the arena, with per-participant history. Healthy room in large groups.
Institutional privacy
LGPD/GDPR · isolated data · end-to-end encryption · full export anytime.
Start free.
Move to PRO when you need more.
| Free · R$ 0 | PRO · R$ 69.90 per month | |
|---|---|---|
| Tests per month | 5 | 20 |
| Alternatives per question | 4 | up to 8 |
| Pages per PDF | up to 30 | up to 60 |
| Mind maps per month | 5 · PDF export | 20 · DOCX export |
| Presentations per month | 5 | 20 |
| Graded essays per month | 3 | 20 |
| Photo grading | 1 per month · up to 5 students | 20 per month · classes up to 300 |
| Video to unlock the generation | Yes | No |
A short video, which you choose to watch, unlocks each generation. Cancel anytime, no lock-in.
Prices in Brazilian reais, as shown inside the app.
Frequently asked.
Which document formats can I upload?
PDF, DOCX and images (PNG, JPG, JPEG, AVIF). Photos of handwritten notes work well. You can also send a plain-text brief, no file attached.
How does the multiplayer arena work?
Open a room from any test: code and password auto-generated, players join via browser. Score by accuracy + time, leaderboard and per-question analysis at the end.
Is VideoLab available now?
Not yet - in final testing. Join the waitlist in the app for early access.
How are my data and documents handled?
LGPD and GDPR. Files isolated in your account, encryption in transit and at rest. Content sent to AI providers only to generate what you asked - never for training.
Can I manually edit the generated questions?
Yes. Edit prompt, alternatives, answer key and rationale. You can also build tests from scratch with AI help.
What's the difference between the Free and PRO plans?
Free generates tests (4 alternatives), maps and presentations within a monthly quota, with a short ad before each generation. PRO unlocks up to 8 alternatives, more questions, map editing, DOCX export and removes the ads. No card to start.
Does the Free plan show ads?
Yes, and you decide when you see them. On Free, each generation is unlocked by a short video (15 to 30 seconds) that only starts after you tap Watch and generate - nothing plays on its own, and you can cancel beforehand. This site carries a single ad block, at the end of blog articles — no other page has one. PRO has no ads in the app.