Last Updated: November 17, 2025
Introduction
Welcome to Notesmakr. We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our mobile application and related services.
Notesmakr is a study app that helps learners understand and retain knowledge using the Feynman Technique. Our app allows you to collect material from various resources and transform them into simplified explanations.
Information We Collect
1. Audio Recordings
Purpose: Notesmakr uses your device's microphone to record audio for transcription and note-taking purposes.
- What we collect: Audio recordings you create within the app
- How we use it:
- To transcribe audio into text using Google's Gemini AI API
- To generate study materials (flashcards, quizzes, mind maps) from your recordings
- To enable you to create notes using the Feynman Technique
- Storage: Audio files are uploaded to secure cloud storage (Supabase) and processed server-side
- Retention: Audio recordings are retained until you delete them from your account
- Your control: You can delete your recordings at any time through the app
2. Account Information
- Email address (for authentication and account management)
- Display name
- Profile picture
3. Photos and Media
Purpose: Notesmakr accesses your device's camera and photo library to enhance your note-taking experience.
- Camera Access: Scan documents, take photos of textbooks, whiteboards, or other study materials to include in your notes
- Photo Library Access: Select existing images from your device to add to your notes
- Media Library Access: Select audio files from your device to transcribe and process
- Storage: Photos and media you add are uploaded to secure cloud storage (Supabase)
- Your control: You can revoke camera/photo library permissions at any time through device settings. You can delete images and media from your notes within the app
4. Content You Create
- Notes and study materials you create
- Text content you input or generate
- Flashcards, quizzes, and mind maps
- PDFs and documents you upload
- Images and photos you capture or select
5. Usage Data and Analytics
- App usage patterns and features accessed (collected via PostHog analytics)
- Device information (device type, operating system, app version)
- Subscription and payment information (processed by RevenueCat)
- Usage limits tracking (notes created, generations used, audio transcription time)
- Anonymous analytics data to improve app performance and user experience
6. Authentication Data
- Google Sign-InWe receive basic profile information (email, name, profile picture) from Google OAuth
Note: An account is required to use Notesmakr. We do not support anonymous usage.
How We Use Your Information
We use your information to:
- Provide core functionality: Transcribe audio, generate study materials, and enable note-taking
- AI Processing: Send your content to Google's Gemini AI for transcription and content generation
- Account management: Authenticate users and manage subscriptions
- Service improvement: Analyze usage patterns to improve app features
- Subscription management: Track usage limits based on your subscription tier
- Customer support: Respond to your inquiries and provide technical assistance
Third-Party Services
We use the following third-party services to provide and improve Notesmakr:
1. Google Gemini AI API
- Purpose: Audio transcription and AI-powered content generation
- Data shared: Audio recordings, text content you want to process
- Privacy Policy: Google Privacy Policy
- Data retention: Google processes data according to their API terms; we do not control Google's retention policies
2. Supabase (Cloud Storage & Database)
- Purpose: Secure storage of your data, authentication, and database services
- Data stored: Account information, audio files, notes, and generated content
- Privacy Policy: Supabase Privacy Policy
3. RevenueCat (Subscription Management)
- Purpose: Manage in-app subscriptions and purchases
- Data shared: User ID, subscription status, purchase information
- Privacy Policy: RevenueCat Privacy Policy
4. PostHog (Product Analytics)
- Purpose: Anonymous product analytics to understand app usage and improve features
- Data collected: App usage patterns, feature interactions, session duration, device type, operating system version, app version
- Data hosting: PostHog EU Cloud (data stored in European Union servers)
- Privacy Policy: PostHog Privacy Policy
- Personal data: PostHog does not collect personally identifiable information. All analytics are anonymized
- No cross-app tracking: PostHog does not track you across different apps or websites
5. Google OAuth
- Purpose: Enable sign-in with Google account
- Data received: Email address, name, profile picture (basic profile information only)
- Privacy Policy: Google Privacy Policy
- Your control: You can revoke Google account access at any time through your Google Account settings
6. Apple App Store / Google Play Store
- Purpose: App distribution and payment processing
- Data shared: Purchase information handled by respective platforms
- Privacy Policies:
Data Security
We implement appropriate security measures to protect your data:
- Encryption: Data is encrypted in transit (HTTPS/TLS) and at rest
- Authentication: Secure authentication via Supabase Auth
- Access Control: Strict database security policies ensure users can only access their own data
- Secure Storage: Audio files and content stored in protected cloud storage with access controls
Your Rights and Choices
You have the following rights regarding your data:
- Access: View all personal data we have about you
- Deletion: Request deletion of your account and all associated data
- Correction: Update or correct your personal information
- Data Portability: Export your data in a machine-readable format
- Microphone Permission: Revoke microphone access at any time through device settings (iOS Settings → Notesmakr → Microphone)
- Camera Permission: Revoke camera access at any time through device settings (iOS Settings → Notesmakr → Camera)
- Photo Library Permission: Revoke photo library access at any time through device settings (iOS Settings → Notesmakr → Photos)
- Marketing Opt-out: Unsubscribe from marketing communications (if any)
To exercise these rights, contact us at [email protected]
Data Retention
- Audio Recordings: Retained until you delete them or close your account
- Notes & Content: Retained while your account is active
- Account Information: Retained until you request account deletion
- Usage Analytics: Aggregated data may be retained indefinitely for service improvement
- Email Hash (After Deletion): When you delete your account, we retain a one-way cryptographic hash (SHA-256) of your email address to prevent re-registration with the same email. This hash cannot be reversed to recover your original email address. This is based on our legitimate interest in fraud prevention and maintaining platform integrity.
Upon account deletion, we will delete all your personal data within 30 days, except:
- A hashed version of your email address (to prevent re-registration)
- Data we are legally required to retain for compliance purposes
- Anonymized analytics data that cannot identify you
Important: Account deletion is permanent and irreversible. You will not be able to recover your data or re-register with the same email address.
Children's Privacy
Notesmakr is not directed to children under 13 years of age. We do not knowingly collect personal information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete such information immediately.
International Data Transfers
Your data may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. By using Notesmakr, you consent to the transfer of your data to our servers and third-party service providers.
Changes to This Privacy Policy
We may update this privacy policy from time to time. We will notify you of any changes by:
- Posting the new privacy policy on this page
- Updating the "Last Updated" date
We encourage you to review this privacy policy periodically for any changes.
Contact Us
If you have questions about this privacy policy or our data practices, contact us at:
- Email: [email protected]
- Support: [email protected]
Data Sharing and Sale
We do not sell your personal data to third parties. Your data is only shared with the service providers listed above who are necessary for app functionality (Supabase, Google AI, RevenueCat, PostHog). These providers are contractually bound to protect your data and use it only for the purposes we specify.
AI-Generated Content Disclaimer
Notesmakr uses artificial intelligence (Google Gemini AI) to transcribe audio and generate study materials including flashcards, quizzes, and summaries. While we strive for accuracy, AI-generated content may contain errors or inaccuracies.
Important: You should review and verify all AI-generated content, especially for academic or professional purposes. We recommend cross-referencing generated materials with your original sources.
Subscription and Cancellation Policy
- Subscription Management: Subscriptions are managed through Apple App Store or Google Play Store
- Cancellation: You can cancel your subscription at any time through your device's subscription settings:
- iOS: Settings → [Your Name] → Subscriptions → Notesmakr
- Android: Google Play Store → Menu → Subscriptions → Notesmakr
- Access after cancellation: Your premium access continues until the end of your current billing period
- Refunds: Refund policies are determined by Apple App Store and Google Play Store
Device Permissions Summary
Notesmakr requests the following permissions to provide core functionality. All permissions are optional and can be revoked at any time.
iOS Permissions:
- Microphone (NSMicrophoneUsageDescription): Record audio notes for transcription
- Camera (NSCameraUsageDescription): Scan documents and take photos for notes
- Photo Library (NSPhotoLibraryUsageDescription): Select images to add to notes
- Photo Library Add (NSPhotoLibraryAddUsageDescription): Save images to your photo library
- Media Library (NSAppleMusicUsageDescription): Select audio files for transcription
Android Permissions:
- Microphone (android.permission.RECORD_AUDIO): Record audio notes for transcription
- Camera (android.permission.CAMERA): Scan documents and take photos for notes
- Storage (android.permission.READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE): Access and save media files
User Control: You can deny or revoke these permissions at any time through your device settings. Revoking permissions will disable related features, but other app functionality will continue to work.