This Privacy Policy describes how MiroLang ("we", "the app") collects, uses, and protects your data. By using MiroLang you agree to the practices described below.
When you sign in with Google or Apple, we receive your email address, name, and a unique account identifier from the sign-in provider. This data is used to create and maintain your MiroLang account and to sync your progress across devices.
The app stores your learning progress (words learned, levels completed, review schedule) tied to your account so you can resume on any device. This data is stored in Firebase Firestore (Google LLC).
If you purchase MiroLang Pro, we receive a confirmation that your subscription or one-time purchase is active. We do not see or store your payment method — all payments are processed by Apple App Store. The purchase status is linked to your account.
If the app crashes, anonymous crash reports are sent to Firebase Crashlytics so we can fix bugs. Crash data is not tied to your personal identity.
Firebase Analytics collects anonymized events about how you interact with the app (which screens you visit, which features you use) so we can improve the product. Events are tied to your User ID for product analytics.
Firebase Analytics generates a per-install instance ID. This identifier is not linked to your personal identity and is used solely for product analytics.
We rely on the following processors. Each of them handles your data under their own privacy policies:
We do not sell your personal data. We do not share data with third-party advertisers. Data is shared only with the processors listed above strictly to deliver the app's functionality.
MiroLang does not track you across other companies' apps or websites. We do not use third-party advertising networks. As declared in the App Store's Privacy Nutrition Labels, no data we collect is used for tracking purposes.
Account data and learning progress are kept while your account is active. If you delete your account from Account → Settings → Delete account, all your personal data is permanently removed from our servers, typically within 30 days. Anonymous crash and analytics data may be retained longer in aggregated form.
You can at any time:
MiroLang is rated 4+ and is suitable for general audiences. We do not knowingly collect personal data from children under 13. If you are a parent or guardian and believe your child has provided us data, contact us and we will delete it.
Firebase services are operated globally by Google LLC. Your data may be processed on servers located outside your country of residence. Google operates under the EU Standard Contractual Clauses for international data transfers.
We may update this Privacy Policy. Material changes will be announced via the app or the App Store update notes.
For privacy questions, email support@mirolang.ru.