Privacy Policy

Last updated: May 17, 2026

Introduction

This Privacy Policy ("Policy") describes how personal information is handled in Caplica ("the App"). By using the App, you agree to this Policy.

1. Information We Collect

1.1 Learning Data

The App stores the following user-registered information on your device:

  • Vocabulary and sentence data
  • Learning history (number of sessions, achievement rate, etc.)
  • Favorites and review lists

This information is used only on the device and is not transmitted to external servers.

1.2 AI-Generated Data

The App uses the Google Gemini API for features such as meaning and example sentence generation.

  • Text entered by the user or extracted from images is sent to Google's servers for AI processing.
  • Generated results are stored on the device.

For information about how Google handles AI-generated data, please refer to Google's Privacy Policy.

1.3 Analytics Data

The App uses Google Analytics for Firebase (Firebase Analytics) to collect anonymized usage data.

  • App usage frequency and feature usage
  • Device information (model, OS version, etc.)
  • App performance data (crash logs, etc.)

This data does not identify individuals and is used for app improvement purposes. For details, please refer to Google's Privacy Policy.

1.4 Advertising Data

The App uses Google AdMob to display advertisements. AdMob may collect the following information for ad delivery:

  • Device advertising identifier (IDFA)
  • Approximate location
  • App usage

For information about advertising data handling, please refer to Google's advertising policy. Users can opt out of personalized ads from iOS Settings.

1.5 Payment Data

The App uses RevenueCat for in-app purchases and subscription management.

  • Purchase history and subscription status
  • Anonymized device identifiers

For information about how RevenueCat handles data, please refer to RevenueCat's Privacy Policy.

2. Data Storage

2.1 Local Data

All data created in the App is stored locally on your device:

  • Vocabulary and sentence data
  • Learning history and achievement rate
  • Favorites and review lists
  • App settings

This data is securely stored on the device using SwiftData and is not transmitted to external servers.

2.2 Data Deletion

All data stored on the device will be deleted when the App is uninstalled.

3. Information Sharing

The App does not share personal information with third parties except in the following cases:

  • Google: AI generation processing via Gemini API, analytics data via Firebase Analytics, ad delivery data via AdMob
  • RevenueCat: In-app purchase and subscription management data
  • As required by law: When necessary to comply with legal obligations

4. Children's Privacy

The App is available for users of all ages. When used by children under 13, ads are served with child-appropriate settings and personalized ads are not shown. Parents and guardians should appropriately supervise their children's use of the App.

5. Security

To protect user data, we take the following measures:

  • Data is stored in the device's local storage and relies on the device's encryption features.
  • No unnecessary data transmission to external servers.

However, we cannot guarantee complete security for information transmitted over the internet.

6. User Rights

Users have the following rights:

  • Opt out of ads: You can disable personalized ads from iOS Settings.
  • Data deletion: You can delete all data stored on your device by uninstalling the App.

7. Changes to This Policy

This Policy may be updated as needed. If significant changes are made, we will notify you within the App. The latest policy is always available on this page.

8. Contact Us

If you have any questions or concerns about this Policy, please contact us at: