Privacy Policy: Folio

Effective date: 21 October 2026
App: Folio (package com.folio.pdfeditor)
Developer / contact: Darpan Khurana, mail@gurukulashram.com

This policy describes what Folio does and does not do with your information. It matches how the app actually works. If the app's behaviour changes, this policy will be updated first.

Short version

Your documents, photos and scans never leave your device unless you choose to share them. Folio has no account system and does not require sign-in. The app shows ads through Google AdMob; Google may use your device's advertising ID for that, subject to the consent choices shown to you. Editing, text recognition (OCR), translation and background removal all run on your phone.

What stays on your device

• Every document, spreadsheet, presentation, design and scan you create or import is stored only on your device, encrypted with a key held in the Android Keystore.
• We cannot see, access, back up or recover these files. No server receives your documents. If you uninstall the app or lose your device without a backup you made yourself, this content is gone.
• Camera captures for the scanner are written to the app's private storage and are never uploaded by the app.

What leaves your device, and only when you ask for it

1. Template library (optional). If you enter a template-library address in Settings and open "Published templates," the app sends an HTTPS request to that address to list and download templates. No document content, filenames or device identifiers are included. If you never set a library address, this never happens.
2. On-device language models (Google ML Kit). Text recognition and background removal use models that ship inside the app. The first time you translate to or from a language, the app downloads that language's model (about 30 MB) from Google. Your text is not sent; translation then runs on your phone. Google's ML Kit may send anonymous usage and diagnostic statistics to Google: developers.google.com/ml-kit/terms.
3. Advertising. Folio shows ads through the official Google Mobile Ads SDK (AdMob). No ads are requested during the first days after installing, while you are editing, or before the consent form (where legally required) has been answered. See "Advertising" below.
4. Feedback e-mail. "Send feedback" opens your own e-mail app with a draft to the developer. Nothing is sent unless you press send there.

There is no analytics SDK, crash-reporting SDK or tracking pixel in the app.

Permissions

• Internet and network state: used for advertising, translation model downloads and the optional template library.
• Advertising ID (AD_ID and Android ad-services permissions): used only by the Google Mobile Ads SDK to serve and measure ads.
• Camera: Folio does not request camera access itself. Tapping "Scan" opens your device's own camera app through an Android system intent. Folio receives only the photo you take, which is then stored locally like any other image.
• Files: Folio uses Android's system file picker to open and save files you choose. It does not request broad "all files" access.

Advertising

Folio uses the official Google Mobile Ads SDK and Google's User Messaging Platform (UMP) for consent.

• Google and its advertising partners may process identifiers (such as the advertising ID) and general device and usage signals to serve and measure ads, subject to the choices you make in the consent form.
• You can review or change your ad-privacy choices from Settings at any time.
• Folio does not combine ad data with your documents or any other content you create.
• For what Google's SDKs collect, see support.google.com/admob/answer/6128543 and developers.google.com/admob/flutter/privacy.

Regional privacy rights

• European Economic Area and United Kingdom (GDPR / UK GDPR). Before any ad request, Google's UMP shows a consent form to EEA and UK users, following the IAB Transparency and Consent Framework. Darpan Khurana is the controller for the app itself. For the optional template-library requests, your device sends only the package name, app version and Android version, with no name, email or other directly identifying field. You may access, correct, erase, restrict, object to or port your personal data, and lodge a complaint with your local supervisory authority. Because the app holds no server-side personal data, these requests resolve to what is already on your device.
• United States (CCPA/CPRA and similar state laws). Folio does not sell or share personal information for cross-context behavioural advertising. Google, as the ad provider, may process the advertising ID. US users can opt out through the privacy options in the app's Settings and through their device's "Delete advertising ID" setting.
• India (Digital Personal Data Protection Act, 2023). Folio does not collect personal data beyond the optional network requests described above and has no account system. For questions or grievances, contact mail@gurukulashram.com.
• Japan (APPI). When ads are enabled, Google may process ad identifiers outside Japan. Google's privacy disclosures linked above describe this. Folio itself does not transfer any other personal data across borders.

Children's privacy

Folio is not directed at children and does not knowingly collect personal information from children. The app is rated for ages 13 and up.

Your choices and data deletion

• Delete any document inside the app (it moves to Trash, then can be permanently deleted) to remove it from device storage.
• Uninstalling the app removes all of its private data on Android, including the encryption key. Any remaining encrypted files become unrecoverable.
• Because Folio has no account and no server-side copy of your documents, there is no separate "delete my account" request. Deleting the app or its local data is complete deletion.
• To ask a question about this policy, write to mail@gurukulashram.com.

Changes to this policy

If Folio's data practices change, for example if the app adds a cloud feature or changes how ads work, this policy will be updated before the change ships, and the effective date above will change.