Lantern Support

Last updated: August 1, 2026

Get help with the Lantern mobile apps, browser extension, websites, account, or learning features.

Contact Support

Email support@withlantern.ai.

We review support requests as soon as reasonably possible. Response times can vary depending on the issue and request volume.

What to Include

To help us investigate, include:

• The Lantern product you are using: Android app, iOS app, browser extension, or website
• Your device, operating system, or browser and its version
• The Lantern app or extension version, if available
• A short description of what happened and what you expected to happen
• Steps that reliably reproduce the problem
• A screenshot or screen recording, if useful, after removing personal or sensitive


information

• The email associated with your Lantern account, if the issue concerns a signed-in


account

Never send your password, sign-in code, access token, API key, or complete sensitive document. Lantern support will not ask you for a password or authentication code.

Account and Sign-In Help

The mobile apps may create an anonymous or guest account automatically so that Lantern can work before you choose to sign in. Google sign-in is optional and can make an account easier to recover and use across devices.

When contacting us about an account issue, tell us whether you are:

• Using Lantern without an email sign-in
• Signed in with Google
• Moving between the mobile app and browser extension
• Unable to access the email previously associated with the account

Do not uninstall the app, clear its storage, or sign out before contacting support if the problem affects an anonymous account. Doing so can remove the local credential we may need to help diagnose the issue.

Vocabulary and Sync Help

Lantern can synchronize saved vocabulary, word collections, selected settings, and learning or streak information. Some mobile information, including certain notes, saved books, quotes, preferences, lesson progress, and caches, may remain only on the device.

If sync appears incomplete:

1. Confirm that the device is online.
2. Confirm that the same signed-in account is being used on each product, if applicable.
3. Avoid repeatedly deleting and recreating the same item while the device is offline.
4. Contact support before clearing app or extension storage if the data is important.

Translation, Simplification, and AI Features

Lantern uses automated language-processing services for features such as translation, text simplification, dictionary assistance, exercises, and language-learning conversations. Results can occasionally be incomplete, unavailable, or incorrect.

When reporting an output problem, include the source and target languages, the selected learning level, and a short non-sensitive example. Do not send confidential, financial, medical, authentication, or other highly sensitive text.

Browser Extension Help

For extension issues, include:

• Browser name and version
• Lantern extension version
• Whether the problem occurs on one website or many websites
• The feature involved, such as word lookup, translation, simplification, saved words,


exercises, or the Lantern panel

Lantern processes webpage context only when needed for an extension feature. If a problem is specific to a webpage, you may include its public URL. Do not send private document, email, or account-page URLs.

Mobile App Updates

The mobile apps may receive app-store releases and approved web-bundle updates. If the app behaves unexpectedly after an update, include the app version, platform, and the approximate time the issue began.

Account and Data Deletion

Deleting the app or extension does not by itself delete information already synchronized with Lantern.

For deletion instructions, visit withlantern.ai/account-deletion. In a mobile version that provides authenticated in-app deletion, use Settings → Account → Delete Account, especially for an anonymous account that has no associated email.

For other privacy requests, email support@withlantern.ai.

Security Reports

To report a suspected security vulnerability or unauthorized access, email support@withlantern.ai with the subject Lantern Security Report. Include enough detail to reproduce the issue, but do not access, modify, download, or disclose another user's data.

Legal and Privacy Information

• Privacy Policy: withlantern.ai/privacy
• Terms of Service: withlantern.ai/terms
• Account and Data Deletion:


withlantern.ai/account-deletion

Operator

Lantern operates the Lantern Services. For support, privacy, security, or legal questions, contact support@withlantern.ai.