Lingua Playlist
Privacy Policy
Last updated:
1. Overview
Lingua Playlist is a language learning app that lets you create sentence playlists, translate sentences, generate audio, record your voice, review with spaced repetition, and track learning progress.
This Privacy Policy explains how Lingua Playlist collects, uses, stores, and shares information when you use our iOS and Android apps. Some features and services differ by platform or subscription plan.
Lingua Playlist is operated by To complete: developer’s legal name or company name (“we,” “us,” or “our”).
For privacy questions or requests, contact avdev2024@gmail.com.
2. Information We Process
Information you provide
Depending on the features you use, we process:
- Account information: Your email address, account identifier, and name, where provided through Apple Sign-In, Google Sign-In, or email registration.
- Learning content: Sentences, translations, playlists, and content you submit or import.
- Audio and pronunciation information: Voice recordings, reference text, transcriptions, pronunciation scores, and related assessment results.
- Learning progress: Review history, spaced-repetition progress, streaks, and other saved learning activity.
- Preferences: App settings and learning preferences.
- Support communications: Information you provide when contacting us.
Information generated through app use
We also process:
- Local activity records: Events such as adding sentences or completing study actions, stored on your device to support app features.
- AI usage records: Counts of translations, audio generations, pronunciation checks, and sentence suggestions, used to apply free-plan, trial, subscription, and fair-use limits.
- Purchase information: Purchase and subscription status, product identifiers, and transaction or entitlement information made available by the relevant app store.
Payments are processed by the applicable app store. We do not receive your full payment-card details from Apple or Google.
3. How We Use Information
We use information to:
- Create and manage your account.
- Provide translations, AI sentence suggestions, text-to-speech, speech recognition, and pronunciation assessment.
- Save and, when enabled, sync your content and learning progress.
- Support spaced repetition, streaks, and other learning features.
- Manage usage limits and access to free and paid features.
- Verify purchases, restore eligible purchases, and manage subscription entitlements.
- Respond to support requests and troubleshoot problems.
- Maintain the security and reliability of the service.
- Comply with applicable legal obligations.
Free and paid features may process different information depending on which features you choose to use.
4. Local Processing and Cloud Features
Some information is stored or processed locally on your device. Account and sync features also use cloud services.
Using the app without cloud sync does not mean that all processing happens on your device. When you use online translation, AI suggestions, natural text-to-speech, or pronunciation assessment, the text or audio needed for that feature is sent to the relevant service provider.
The processing used for system text-to-speech and speech recognition depends on your platform, the selected service, and the feature being used, as described below.
5. Service Providers
We use the following services where applicable to your platform and the features you use.
Supabase
Purpose: Authentication, cloud sync, database and file storage, server-side functions, and usage-limit tracking.
Information processed: Account information, synced sentences and translations, playlists, recordings, pronunciation results, learning progress, and AI usage records.
OpenAI
Purpose: AI translation and sentence suggestions.
Information processed: Text you submit for translation or sentence suggestions, together with any learning context included in the request.
Microsoft Azure
Purpose: Natural text-to-speech and pronunciation assessment.
Information processed: Text submitted for audio generation, and audio recordings and reference text submitted for pronunciation assessment.
Apple System Text-to-Speech — iOS
Purpose: Text-to-speech using Apple system voices.
Information processed: Text selected for spoken playback. When you use offline text-to-speech, audio generation is handled locally on your device, and the text is not sent to our servers for that generation.
Apple Speech Recognition — iOS
Purpose: Speech-to-text when recording or dictating sentences.
Information processed: Audio submitted for speech recognition. Processing may occur on your device or through Apple’s services, depending on the feature, device capabilities, and configuration.
Android Text-to-Speech and Speech Recognition
Purpose: Spoken playback and speech-to-text on Android.
Services used: To complete: Identify the Android text-to-speech and speech-recognition services actually used.
Information processed: To complete: Describe the text or audio supplied to each service, whether processing is local or remote, and when transmission occurs.
Provider privacy policy: To complete: Insert the relevant provider privacy-policy links.
Apple App Store / StoreKit — iOS
Purpose: Purchases, subscriptions, trials, lifetime purchases, and restoring eligible purchases.
Information processed: Purchase status, subscription status, and transaction or entitlement information.
Google Play Billing — Android
Purpose: Purchases, subscriptions, trials, lifetime purchases where offered, and restoring eligible purchase entitlements.
Information processed: Purchase status, subscription status, and purchase or entitlement information.
Apple Sign-In and Google Sign-In
Purpose: Account authentication, where available.
Information processed: Account identifiers and information made available through your chosen sign-in method, such as your name and email address. If you use Apple’s Hide My Email feature, we may receive an Apple private relay address instead of your personal email address.
6. How We Share Information
We do not sell, trade, or rent your personal information.
We share information with service providers as needed to deliver the features described in this policy.
We may also disclose information when reasonably necessary to comply with applicable law or a valid legal request, protect users and the service, or investigate fraud or security incidents.
Your saved sentences, playlists, recordings, and learning progress are not made publicly visible to other users by Lingua Playlist. If you choose to export or share content outside the app, its handling will depend on the recipient or service you choose.
7. Tracking and Advertising
Lingua Playlist does not display third-party advertisements.
We do not use your information to track you across apps or websites owned by other companies for advertising purposes.
8. Device Permissions
Depending on your platform and the features you use, Lingua Playlist may request access to:
- Microphone: To record your voice, assess pronunciation, or support speech input.
- Speech recognition: To convert spoken audio into text where the platform requires this permission.
- Selected files: To import or export learning content through your device’s file-selection features.
You can manage applicable permissions in your device settings. Disabling a permission may prevent the associated feature from working.
9. Data Storage and Security
Information may be stored locally on your device and in the cloud through Supabase and the other providers described above.
We use To complete: insert verified security safeguards, such as encrypted HTTPS connections, authenticated access, and database access controls to help protect personal information against unauthorized access, loss, misuse, or disclosure.
No method of electronic storage or transmission is completely secure.
10. Data Retention
We retain account information and saved cloud content while your account is active, or as needed to provide the features you use.
Retention depends on the type of information:
- Local content: Remains on your device until you remove it or clear the app’s stored data. Copies included in device backups may remain subject to your backup settings.
- Account information and synced content: Retained until you delete the relevant content or request account deletion, subject to the deletion process below.
- Usage and operational records: To complete: Specify how long usage records, server logs, and similar operational information are retained, or the criteria used to determine retention.
- Backups: To complete: Specify whether deleted information remains in backups and when those copies expire.
- Purchase records: Relevant records may be retained where necessary to meet legal, accounting, or fraud-prevention obligations. Apple and Google manage their own transaction records under their policies.
Information sent to external providers may also be subject to the retention arrangements applicable to those services. Deleting content in Lingua Playlist does not necessarily remove records that a provider independently retains for its own legal obligations.
11. Deleting Your Content or Account
You can delete individual recordings, sentences, and playlists using the controls available in the app.
You can request deletion of your account and associated cloud data:
- Inside the app: From the profile or account screen.
- Outside the app: By visiting our About your data page (account and data deletion instructions) and following the instructions.
If you need assistance, contact avdev2024@gmail.com. We may need to verify that you own the account before completing a request.
Account-deletion requests are completed within To complete: insert actual deletion timeframe. Associated account data and cloud content are deleted, except for information that must be retained for legitimate legal, security, or fraud-prevention reasons. Any retained information is limited to what is necessary for that purpose and retained for To complete: specify the applicable period or criteria.
Backup copies are handled according to the retention periods described above. Deleting your account may not remove files you previously exported or copies stored outside the service.
Deleting your account or uninstalling the app does not itself cancel a store-managed subscription. Manage or cancel your subscription through the Apple App Store or Google Play.
12. Your Choices and Rights
You can:
- View and manage your saved content within the app.
- Export your learning data using the available export feature.
- Delete individual content or request account deletion.
- Manage device permissions in your device settings.
- Choose whether to use optional cloud and AI features.
- Contact us about your personal information.
Depending on where you live, you may also have rights to request access to, correction of, or deletion of personal information; request portability; object to or restrict certain processing; or withdraw consent where processing relies on consent.
To make a request, email avdev2024@gmail.com. We will handle requests in accordance with applicable law. You may also have the right to complain to your local data-protection authority.
13. International Processing
Our service providers may process information in countries other than the country where you live.
To complete: Specify the relevant hosting regions or processing locations and, where required, the safeguards used for international transfers.
14. Children’s Privacy
Lingua Playlist is not directed to children under 13. We do not knowingly collect personal information from children under 13.
If you believe a child under 13 has provided personal information to us, contact avdev2024@gmail.com so we can investigate and take appropriate action, including deleting the information where necessary.
15. Changes to This Policy
We may update this Privacy Policy as our features, service providers, or legal obligations change.
We will post the revised policy on this page and update the “Last updated” date. Where required by law, we will provide additional notice or obtain consent for material changes.
16. Contact
Lingua Playlist
Email: avdev2024@gmail.com