Chigovoca Privacy Policy

Effective date: July 2, 2026

Chigovoca (the "App") helps you learn foreign-language vocabulary by extracting words from text in photos using spaced repetition. This policy explains what information is processed while you use the App.

1. No account information collected

The App does not require sign-up or login. We do not collect personally identifiable information such as your name, email address, or phone number.

2. How photos are processed

Photos you take or select from your gallery are sent to the Google Gemini API for word extraction, routed through a server we operate (a Cloudflare Workers–based proxy).

The submitted image itself is not stored on our server and is discarded immediately after word extraction.
To prevent abuse, the requesting IP address is temporarily retained for up to 48 hours and then automatically deleted (not used to identify or profile individual users).
Images are transmitted to and processed by the Google Gemini API, which is subject to Google's own privacy practices.

3. Information stored on your device

Extracted words, study (review) history, favorites, streaks, and notification/timer settings are stored only on your device and are never sent to an external server. Deleting the App also deletes this data.

4. Third-party services

Service	Purpose	Notes
Google Gemini API	Extracting words from text in photos	Images and OCR text are transmitted
RevenueCat	Processing and validating Premium subscription purchases	Purchase history and subscription status are processed (payment details themselves are handled by Google Play)
AppLovin MAX	Showing rewarded ads to free-tier users	Device information such as advertising identifiers may be collected by AppLovin and its connected ad networks
Cloudflare Workers	API relay server infrastructure	Request IP addresses are processed temporarily

Each service's data handling is governed by that company's own privacy policy. (Google: policies.google.com/privacy, RevenueCat: revenuecat.com/privacy, AppLovin: applovin.com/privacy)

5. Permissions requested

Camera — to take photos of vocabulary sources
Notifications — to send review reminders (can be turned off in Settings)

We do not request broad access to device storage.

6. Children's privacy

The App is not primarily directed at children under 14, and we do not knowingly collect personally identifiable information from children.

7. Data deletion

All study data is stored only locally on your device, so deleting the App also deletes that data. Since no photos or study data are retained on our servers, no separate deletion request process is necessary.

8. Changes to this policy

This policy may be revised due to changes in law or our services. Any changes will be posted on this page.

Contact
For privacy inquiries: studio.ktoolu@gmail.com