ScrollBouncer is an Android app that locks distracting apps until you answer one quick learning question. This policy explains what the app and our website handle, why, and the choices you have. We've kept it short and in plain language.
The short version
- ScrollBouncer only sees which app is open in the foreground. It never reads your screen, messages, notifications, browsing or what you watch.
- The app works fully on your phone, without an account. Your rules, stats, answers and settings are stored on your device.
- An account is optional. If you create one, we sync your progress so you can restore it, and you can delete it at any time.
- No ads, no ad SDKs, and we never sell your data or share it for advertising.
- AI questions (Pro top-ups, and topics you add yourself) are written by Anthropic's Claude. Our server sends it only the pack, topic and difficulty, plus the subject name you typed for a topic of your own: never your personal data, your question history or which apps you use.
- Questions from my notes (Pro, only when you use it): the one photo or PDF you pick is sent to our server and to Anthropic's AI to write questions. We don't keep it after the questions are made.
- Weekly coach (off unless you turn it on): once a week, only your week's totals (minutes, counts and the name of a day, never app names) go to our server and to Anthropic's AI to write three short sentences for you.
What leaves your phone
Stays on your phone: which apps you use and for how long, your answers, streak and stats, and your routines and settings.
Leaves only when you use it:
- Anonymous app events, like “question answered” (switch them off in Settings).
- Your progress, if you sign in to back it up.
- What the AI needs for help you ask for: a subject name you typed, a question to explain or translate, notes you pick, your week's totals for the coach.
- A question you report as wrong.
Never: your messages, screen, notifications or browsing, your contacts or location. No ads, and we never sell your data.
Under 18? Setup asks. Then there's no account, no analytics, no notes upload and no weekly coach (see Children).
Who we are
ScrollBouncer is made by Suriya ("we", "us", "our"). You can reach us at thesuriya3@gmail.com.
What the app can see on your phone
ScrollBouncer asks for a few Android permissions. Here is exactly what each one is used for, and nothing else.
Usage Access
Used only to know which app is in the foreground, so ScrollBouncer can decide whether to show the lock. It never reads what's on your screen, your messages, your notifications, your browsing or what you watch.
Display over other apps
Used only to draw the lock screen on top of the app you opened.
Device admin (Strict Mode)
Strict Mode is optional and off by default. If you turn it on, ScrollBouncer uses Android's device admin permission only to stop the app from being uninstalled while Strict Mode is on. It uses no other device admin powers.
Photos and files (only the one you pick)
"Questions from my notes" uses Android's photo picker and the system file picker. ScrollBouncer can read only the one photo or PDF you pick, at the moment you pick it. It doesn't ask for permission to read your photos or your storage.
Notifications
ScrollBouncer shows local notifications, such as reminders and an alert if protection gets switched off. They're created on your phone.
Accessibility (not in this version)
This version of ScrollBouncer doesn't use Android's Accessibility service. A later version may offer an optional feature that does. If it comes, it will only be turned on with your explicit consent, after we explain what it does, and we'll update this policy first.
Data stored on your phone
Everything ScrollBouncer needs to work (your rules, stats, answers and settings) is stored locally on your device. The app works without an account. This data stays on your phone unless you choose to sync it (see below). You can remove it by clearing the app's storage or uninstalling the app.
Routine suggestions (for example "Sleep Time from 11:00 PM?") are worked out on your phone from the last week of usage. Nothing about them leaves your phone.
Optional account and sync
You can create an account with your email address. We sign you in with a one-time code sent to that address.
When you're signed in, ScrollBouncer syncs your progress to our backend so you can restore it on a new phone or after reinstalling:
- your email address (to sign you in)
- your streak and stats
- your learning progress
- your settings
- your routines, including the names of the apps you chose to guard (for example
com.instagram.android), so they can be restored
We never sync how long you used any app, your answer history or which apps you opened.
Our backend is run on Supabase, on servers in Mumbai, India (ap-south-1).
You can delete your account and synced data at any time:
- In the app: Settings → Account → Delete account.
- On the web: follow the steps at scrollbouncer.com/delete-account.
Your account itself is deleted immediately. Synced data is fully deleted within 30 days.
AI questions
AI writes questions in two cases: Pro top-ups for the built-in packs, and any topic you add yourself (free or Pro). In both cases the app sends our server only:
- the pack (for example, Python)
- the topic
- the difficulty
- for a topic you added yourself, the subject name you typed (for example, "NEET Biology")
- anonymous hashes of questions you've already seen, so you don't get repeats
Our server uses the hashes only to avoid repeats; it does not pass them on. It asks Anthropic's Claude API to write new questions using only the pack, topic and difficulty, and the subject name for a topic of your own. No personal data and no app usage data is sent to the AI provider, so don't type personal information as a subject name.
To keep AI use fair, our server counts the AI requests each account (or, without an account, each IP address, stored only as a salted hash) makes in a day. These counts are deleted after 2 days.
Questions from your notes (Pro)
If you use "Questions from my notes", you pick one photo, or one PDF of up to 5 pages, and the app sends our server:
- that photo or PDF (photos are made smaller and re-saved on your phone first, which also removes hidden details such as the location; a PDF is sent as it is)
- the app's language (English, Tamil or Hindi) and the difficulty you picked
The name you give the questions isn't sent with the file. Before your first upload, the app tells you what is sent and where.
Our server passes the file to Anthropic's Claude API, which writes up to 20 questions from it. Our server doesn't store the file: it is held in memory only while the questions are written, and it is never written to our database or our logs. The questions come back to your phone and are saved there, as a subject of your own. Anthropic processes the file only to write the questions, as our service provider, under its commercial API terms, which don't allow it to train its models on it. Anthropic deletes API inputs and outputs within 30 days, and may keep them longer only if its safety systems flag them for a review under its usage policy.
Questions made from your notes stay on your phone: they're never synced, never sent for "Explain simpler", and reporting one only removes it from your phone. Don't pick photos or files with personal details you don't want to share (for example an ID card); the AI is told to make no questions from such files. If a page has your name, roll number or school on it, crop that out first.
Weekly coach (optional)
The weekly coach is off unless you turn it on in Settings. When it's on, once a week (on Sunday evening) the app sends our server only these totals for the last 7 days:
- the minutes spent on your guarded apps on each day the phone measured (all guarded apps added together)
- how many questions you answered, and the percentage you got right
- how many times you chose "Not now"
- the minutes of Focus sessions you finished
- the name of the day with the least time on your guarded apps
It never sends app names, question text, times of day or anything you typed. Our server passes the totals to Anthropic's Claude API, which writes three short sentences. Neither the totals nor the sentences are stored on our server; the sentences are saved on your phone and shown on Stats. Turning the coach off also deletes its saved sentences.
Question reports
If you choose to report a question (for example, because an answer looks wrong), we receive the question ID, the reason you picked and any note you write. We use reports only to fix questions. Please don't put personal information in the note. Questions made from your own notes are never sent in a report: reporting one only removes it from your phone.
Analytics
We use privacy-friendly product analytics: anonymous events such as "lock shown", "question answered" and "unlock", tied to a random install ID. These events never include which apps you use or any content from your phone. We use them to understand whether ScrollBouncer works and how to improve it.
What we never do
- No ads, and no advertising SDKs.
- We never sell your data, and we never share it for advertising.
- We never read your screen, messages, notifications, browsing or what you watch.
Purchases
Purchases are handled by Google Play. We never see your card or other payment details. Google Play tells us the status of your purchase (for example, active or cancelled) so we can unlock Pro. Google's privacy policy applies to the payment itself.
Our website and waitlist
If you join the waitlist on our website, we collect the email address and/or phone number you give us, your referral code, the code of the friend who invited you (if any), and the fact that you signed up on the web. We use this only to tell you about the launch and to count the friends who join with your link. It's stored with Supabase. We don't sell it or use it for advertising. To be removed from the waitlist, email us.
The website has no ads, no tracking scripts and no cookies, and it serves its fonts itself. It saves your referral code in your browser's local storage so you can see your invite link when you come back; clearing your browser's site data removes it. Like any website host, our hosting provider processes technical data such as IP addresses to deliver the site and keep it secure.
Who we share data with
We use a small number of service providers to run ScrollBouncer. They process data only to provide their service to us:
- Supabase: hosts our backend (accounts, sync, the waitlist, question reports and analytics events).
- Anthropic: writes the AI questions. It receives only the pack, topic and difficulty, and the subject name of a topic you added yourself. The question hashes stay on our server. If you use them, it also receives the photo or PDF you pick for "Questions from my notes", and your week's totals for the weekly coach.
- Google Play: handles purchases.
- Vercel: hosts our website.
We'll only disclose data to anyone else if the law requires it.
How long we keep data
- On your phone: until you clear the app's storage or uninstall it.
- Account and synced data: until you delete your account. The account is removed immediately and synced data within 30 days. After that we keep only anonymous, aggregated stats that can't identify you.
- Question reports: for as long as we need them to review and fix the question.
- Photos and PDFs for "Questions from my notes", and the weekly coach's totals: not kept by us. Our server holds them in memory only while the AI works, and never writes them to a database or logs. The questions and the coach's sentences are kept on your phone.
- AI request counts: 2 days.
- Analytics events: only as long as they're useful for improving the app. They're tied to a random install ID, not to your name, email or phone number.
- Waitlist: until you ask us to remove you, or until we no longer need it for the launch.
Security
- Data sent between the app or website and our servers is encrypted in transit (HTTPS/TLS).
- Our database uses row-level security, so each account can only access its own data.
- We collect as little as we can in the first place.
No system is perfectly secure, but we work hard to protect your data, and we'll notify you of a breach that affects you as the law requires.
Your rights and choices
Depending on where you live (for example, under India's Digital Personal Data Protection Act, 2023, or the EU's GDPR), you have rights over your personal data. In practice:
- Access and export: use Export data in the app to get a copy of your data, or email us.
- Correction: change your details in the app, or email us to correct account data.
- Deletion: delete your account in the app or on the web; remove local data by uninstalling.
- Withdraw consent: turn off sync, sign out, or turn off any permission in Android settings at any time (some features need certain permissions to work).
- Complaints: contact us first and we'll try to fix it. You can also complain to your local data protection authority (in India, the Data Protection Board of India).
To exercise any of these rights, email thesuriya3@gmail.com. We may need to confirm the request comes from you.
Children
ScrollBouncer is intended for people aged 13 and over. We don't knowingly collect personal data from children under 13. If you think a child under 13 has given us personal data, contact us and we'll delete it.
Under-18 mode. Setup asks “Are you under 18?”. If the answer is yes, ScrollBouncer keeps everything on the phone:
- No account. You can't sign in, and nothing is backed up or synced to our server.
- No usage analytics. The anonymous usage events described above are not collected or sent.
- No notes upload. “Questions from my notes” is turned off, so no photo or PDF leaves the phone.
- No weekly coach. The weekly totals are never sent to the AI.
The lock, the questions, Learn, routines and stats all work as usual, on the phone. Built-in questions and downloaded exam packs come from our server the same way for everyone, and nothing about the user is sent to get them. A question the user reports as wrong is sent with only its id and the reason. Under-18 mode can be changed later in Settings → Your data. If an account was signed in before under-18 mode was turned on, backup sync stops; the account can still be deleted in Settings, or by writing to us.
Changes to this policy
If we change this policy, we'll update the effective date at the top. For important changes, we'll let you know in the app (and by email if you have an account) before they take effect.
Contact
Questions or requests about privacy: thesuriya3@gmail.com
Suriya [postal address, if required]