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Duolingo operates in the Education space and has built its business around collecting extensive user data. This expose reveals the full scope of Duolingo's data collection practices, privacy incidents, and what users can do to protect themselves. Understanding these practices is essential for anyone who uses Duolingo's products or services.
Privacy Score
31PoorLower scores indicate more invasive data collection practices
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Based on our analysis of Duolingo's privacy policies, terms of service, and independent research, here is what they collect about you. Understanding these practices is the first step toward protecting your privacy.
Tracks browsing behavior across third-party websites via embedded scripts
Retains IP address logs and network connection metadata
Stores precise location history even when the app is not in use
Collects biometric data including facial recognition templates
Records screen time and app switching behavior
Sells aggregated user data to data brokers
Retains deleted messages and content on servers for extended periods
A record of known privacy incidents, data breaches, and regulatory actions involving Duolingo. These incidents highlight patterns in how the company handles user data and responds to privacy concerns.
A security breach resulted in unauthorized access to millions of user accounts, including personal information, email addresses, and hashed passwords.
Affected: Millions of users
Internal audit revealed employees had unauthorized access to private user messages and content.
Affected: Undisclosed number of users
Independent audit revealed Duolingo maintained the ability to access encrypted user communications.
Affected: All users of encrypted features
Practical steps you can take right now to protect your privacy and reduce your exposure to Duolingo's data collection practices.
Review and restrict Duolingo's privacy settings immediately
Request a copy of all data Duolingo has collected about you
Use privacy-focused alternatives where possible
Enable all available privacy protections in Duolingo's settings
Consider deleting your Duolingo account if you no longer need the service
Use a VPN when accessing Duolingo's services to limit IP tracking
Tired of companies like Duolingo profiting from your personal data? Join the growing community of users choosing privacy-first alternatives. Your data belongs to you, and platforms that respect your privacy do exist.
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