Frequently asked questions

FAQ: what the study app does — and what it doesn’t.

The app

What the app does — and what it doesn’t

Does the app teach languages or include exam content?

No. It organizes the studying you do with courses, books, videos and classes, and tracks the time spent on each part.

Does the report tell me whether I am learning?

No. It shows consistency and time per goal. Learning is measured in your own exercises, exams and conversations.

What happens when I don’t log a day?

The goal’s time becomes owed time, following the rule you chose: spread it over the next days, accumulate it and decide later, or just be notified. You can log it later if you studied and forgot.

Is it only for languages and civil service exams?

No. Any studying or practice with a time goal fits: entrance exams, college and residency, certifications, reading, an instrument. Languages and civil service exams are the most common cases, which is why they have their own pages.

Reviews, mock exams and achievements

Review, measure and celebrate, with no leaderboard

How do automatic reviews work?

After you study a topic, the app schedules reviews at 1, 7 and 30 days. The intervals are configurable, and the day’s reviews show up in today’s plan.

How do I log questions and mock exams?

In a question-type session, enter how many you did and how many you got right; the report shows accuracy per subject. Mock exams are logged separately, with correct answers per subject, and the app shows the progress between them. The questions and mock exams are yours: the app has no question bank.

What counts toward earning XP?

Minutes studied, daily goal met, questions logged, reviews done and mock exams. Accumulated XP sets your level, and there are more than 40 achievements, plus weekly challenges and personal records.

If I break my streak, do I lose achievements or XP?

No. What you earned stays with you: achievements, XP and level don’t go down. Only the count of consecutive days restarts. Making up 1 hour of owed time, by the way, earns the Comeback achievement.

Is there a leaderboard with other people?

No. The comparison is always with your own history.

Who is Tatá? Can I turn him off?

Tatá is the app’s mascot: a little stopwatch that follows your session, reading during focus, holding a cup on breaks, celebrating goals and sleeping on rest days. Yes, you can turn him off in Preferences.

Which plans include these features?

All of them, including Free: automatic reviews, mock exams and accuracy, achievements, levels and challenges, and Tatá.

Offline and devices

Offline, on phone and computer

Does it work offline?

Yes. Sessions are saved on the device and sync when you are back online. Signing in, paying and importing files need a connection.

What exactly works offline?

Viewing the daily plan, using the timer and logging sessions. Everything is saved on the device and syncs when the connection returns. Signing in, paying, uploading files and importing the syllabus need internet.

What if I log on my phone offline and then on my computer?

Logs from both devices are synced. When the same information was changed on both sides, the app shows you the conflict to decide, instead of choosing on its own.

Do I need to install anything?

No. It opens in the browser and can be added to your phone’s or computer’s home screen as an app.

Does it work on iPhone?

Yes, through Safari. To get reminders on iPhone or iPad, add the app to your home screen (Share → Add to Home Screen) and allow notifications when the app asks. Without that step, Apple’s system doesn’t deliver website notifications.

Do reminders ring with the screen locked?

Reminders use browser or installed-app notifications. On iPhone and iPad, you need to add the app to the home screen and allow notifications. The system may delay deliveries; we don’t promise an exact alarm.

Materials and import

PDFs, syllabus and what the AI does

My PDF is scanned, with no selectable text. Does the import work?

No. The import reads the PDF’s text layer; when there isn’t one, the app says it couldn’t read it instead of making up a structure. Text recognition from images (OCR) is not available. Paste the text manually or use the CSV template. As study material, a scanned PDF can be uploaded normally, with a page range.

What does the AI do in the app?

Every plan has AI actions: 10 a month on Free, 60 on Essential and 200 on Complete. It does four things, always optional and only when you ask: chat with Tatá about your studying (he answers from your data and never makes up numbers); suggest the subject and topic structure from a text or an import; suggest a plan distribution; write the weekly summary. Every answer is a preview: nothing changes until you review and confirm.

Does Tatá talk?

Yes. Each plan has a monthly quota of natural-voice lines (20 on Free, 300 on Essential and 1,000 on Complete). When the quota runs out, Tatá keeps talking with the device’s own voice, at no cost. Voice is off by default and you turn it on whenever you like.

And what doesn’t the AI do?

It doesn’t teach, grade exercises, assess your level, predict exam results or run in the background. AI features may be turned off; in that case the app tells you and you organize everything manually, without losing any essential function.

What is sent when I use an AI feature?

Only the necessary excerpt: the text you pasted or imported, or the topic titles and the period’s numbers. Your email, name and account identifiers are not sent. Details are in the privacy policy.

Data and privacy

Your data is yours

What data does the app keep?

What you create — goals, targets, sessions, tasks, materials — and what the account needs to work, such as email and login sessions. The full list, with purpose and retention, is in the privacy policy.

Can I export my data?

Yes, on any plan and at any time: all your data in a JSON file and the session history in CSV, which opens in spreadsheets. Export doesn’t depend on a subscription.

Can I delete my account?

Yes, from the app settings. The timelines and what gets deleted are described in the privacy policy.

Do you sell data or show ads?

No. The service is supported by Essential and Complete subscriptions. Usage metrics are only collected if you consent, and the answer can be changed later.

Plans and cancellation

Subscribe, cancel and keep your data

Can I cancel whenever I want?

Yes. Cancellation is done on the plans screen, with no hurdles. Your history and data export remain available.

What happens to my data after I cancel?

Nothing is deleted. You return to the Free plan at the end of the paid period; the history stays visible and export stays available.

Do I need a card to create an account?

No. The free account doesn’t ask for a payment method.

Didn’t find the answer? Write to contato@estudatta.com.br or use the contact page. Plans and limits are on the plans page; data handling is in the privacy policy.

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