Privacy Policy
Last updated: July 29, 2026
Nolej – Learning with Flashcards Privacy Policy
Welcome to Nolej – Learning with Flashcards ("Nolej", "we", "our", or "us").
Your privacy is important to us. This Privacy Policy explains what information may be collected when you use our application, how that information is used, and the choices available to you.
By downloading or using the application, you agree to the practices described in this Privacy Policy.
1. Information We Collect
Information You Provide
Nolej is designed to help users learn efficiently through flashcards and spaced repetition.
You can use the core features of the application without creating an account.
Flashcard decks, study progress, learning statistics, and personal preferences are generally stored locally on your device unless a future feature explicitly offers cloud synchronization.
If you voluntarily contact us for support, we may receive information such as your email address and the content of your message.
Automatically Collected Information
When you use the application, certain information may be collected automatically, including:
Device model
Device manufacturer
Operating system version
Language and region settings
App version
Device identifiers (including Advertising ID where applicable)
Firebase Cloud Messaging (FCM) device token
IP address (processed by Google services when required)
Crash reports
Performance metrics
Diagnostic information
Anonymous usage statistics
Advertising interaction information
This information helps us improve the reliability, security, and performance of the application.
2. Firebase Services
Nolej uses Google Firebase services to improve application quality and user experience.
The Firebase services currently used include:
Firebase Analytics
Firebase Crashlytics
Firebase Remote Config
Firebase Cloud Messaging (FCM)
These services may collect information such as:
App usage statistics
Feature usage
Session information
Device information
Crash logs
Performance metrics
Diagnostic information
We use this information to:
Understand how users interact with the application
Improve features
Fix crashes and bugs
Optimize app performance
Deliver configuration updates without requiring a new app release
Learn more about Firebase Privacy:
https://firebase.google.com/support/privacy
3. Push Notifications
Nolej uses Firebase Cloud Messaging (FCM) to send push notifications.
Notifications may include:
Daily study reminders
Flashcard review reminders
Learning streak reminders
New feature announcements
Important service notifications
Firebase generates a unique device token that enables notification delivery.
You may disable notifications at any time through your device settings.
4. Advertising
The application displays advertisements using Google AdMob.
AdMob may automatically collect information including:
Advertising ID
Device information
Approximate location
IP address
App interactions
Ad performance data
Diagnostic information
This information may be used to:
Display advertisements
Measure advertising effectiveness
Prevent fraudulent activity
Improve advertising services
Depending on your region, Google may request your consent before serving personalized advertisements.
Learn more:
https://policies.google.com/technologies/ads
5. Premium Subscription and Google Play Billing
Nolej offers optional Premium subscriptions and one-time purchases through Google Play Billing.
All payments are securely processed by Google through the Google Play Store.
We do not collect, process, or store:
Credit card numbers
Debit card information
Bank account information
Payment credentials
Google may collect and process payment information to:
Complete transactions
Verify purchases
Manage subscriptions
Prevent fraud
Comply with legal requirements
The application may receive limited purchase information from Google, such as whether a subscription is active, solely to unlock Premium features.
For more information:
https://policies.google.com/privacy
6. How We Use Information
Information collected through the application is used to:
Provide core learning functionality
Save learning progress
Improve flashcard study experience
Analyze application performance
Diagnose crashes
Improve stability
Deliver push notifications
Display advertisements
Verify Premium purchases
Prevent abuse and fraud
Comply with legal obligations
7. Data Storage
Most learning data, including flashcard decks, study history, and user preferences, is stored locally on your device.
If cloud synchronization is introduced in future versions, this Privacy Policy will be updated accordingly.
8. Sharing of Information
We do not sell your personal information.
We may share limited information only with trusted service providers necessary to operate the application, including:
Google Firebase
Google AdMob
Google Play Billing
Google Play Services
These providers process information according to their own privacy policies.
We may also disclose information if required by law or to protect our legal rights.
9. Data Security
We implement reasonable administrative, technical, and organizational measures to protect information collected through the application.
However, no method of electronic storage or internet transmission can be guaranteed to be completely secure.
10. Children's Privacy
Nolej is intended for a general audience.
We do not knowingly collect personal information from children in violation of applicable laws.
If you believe that a child has provided personal information through the application, please contact us so that appropriate action can be taken.
11. Your Rights and Choices
Depending on your country or region, you may have rights regarding your personal information, including the right to:
Access your personal information
Request correction of inaccurate information
Request deletion where applicable
Object to certain processing activities
Withdraw consent where consent is the legal basis
You may also:
Disable push notifications through device settings
Reset or limit your Advertising ID
Manage personalized advertising through your Google account
Uninstall the application at any time
12. Third-Party Services
The application uses third-party services that maintain their own privacy policies.
These include:
Google Firebase
Google AdMob
Google Play Billing
Google Play Services
We encourage you to review their privacy policies for additional information.
13. International Data Transfers
Some information collected through the application may be processed or stored on servers located outside your country by Google and its affiliated service providers.
Such processing is performed in accordance with applicable data protection laws.
14. Changes to This Privacy Policy
We may update this Privacy Policy from time to time.
Any changes will become effective immediately after the updated Privacy Policy is published.
The "Last updated" date at the top of this page will always indicate the latest revision.
Continued use of the application after changes become effective constitutes acceptance of the revised Privacy Policy.
15. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy, please contact us:
Google Store: SWIFTSCALE SYSTEMS LLC
Application: Nolej – Learning with Flashcards
Email: jorsterkacky@gmail.com