Privacy Policy for Greenwort
Last updated: 2026-11-01
Greenwort is a language-learning app operated by Lemma.
This Privacy Policy explains, in plain language, what data we use, why we use it, and what choices you have.
Greenwort is available on Google Play and the App Store in European countries. We aim to keep this policy understandable for users in the European Union, the European Economic Area, the United Kingdom, and Switzerland, while also using it as the public privacy notice for all users.
Depending on how you use the app, we may use the following categories of data:
Account information, such as your sign-in method, user ID, and email address
App settings, such as app language, learning preferences, and subscription state
Content you provide, such as uploaded files, imported URLs, AI prompts, saved words, and feedback messages
Usage and app activity data, such as screen views, important feature events, and reading-progress events
Diagnostics data, such as crash reports, error logs, app version, platform, and basic device details
Purchase-related data needed to verify Google Play and App Store subscriptions
We do not sell personal data.
We use data to:
Create and secure your account
Provide the reading, vocabulary, and subscription features of the app
Process files, URLs, image text extraction, and AI-generated reading content
Save your progress and settings across sessions
Improve app reliability, diagnose failures, and measure product usage
Respond to support and feedback requests
Comply with legal obligations and prevent abuse
We use service providers to operate Greenwort. These may include providers for:
Hosting and cloud infrastructure
Authentication
Analytics
Crash reporting
Billing and subscription verification
Content processing and AI-powered features
These providers process data on our behalf to deliver the service.
We keep data for as long as it is reasonably needed to operate the app, maintain user accounts, provide subscriptions, investigate abuse, comply with legal obligations, and resolve disputes.
Retention periods may differ depending on the type of data. For example, account records, subscription records, app content, and diagnostics may be kept for different periods based on operational and legal needs.
You can stop using the app at any time.
If you are in Europe, including the EU, EEA, UK, or Switzerland, you may have rights to request access to your personal data, correction of inaccurate data, deletion of data, or a copy of certain data, subject to applicable law.
For account deletion requests, use the public account deletion page linked from our app listing and follow the instructions provided there.
You may also contact us if you have questions about how your data is used.
Greenwort is not intended for young children. The app's store listings target an adult audience.
We use reasonable technical and organizational measures to protect data in transit and at rest. No system can be guaranteed to be completely secure.
Depending on the service providers we use, data may be processed in countries other than your own. When required, we rely on appropriate safeguards under applicable law.
For privacy questions or requests, contact:
greenwort.app@gmail.com
We may update this Privacy Policy from time to time. If we make material changes, we will update the date at the top of this page.