Ustozim — Privacy Policy

Developer / Data Controller: Fazon Digital LLC

Brand: Ustozim (edu‑tech products and services)

Effective Date: 14 July 2025

1. Introduction

Ustozim is an AI-powered language-learning service delivered through iOS, Android, and web apps (together, the "Service"). This Privacy Policy explains how we collect, use, share, and protect your personal data.

2. Data We Collect

CategoryExamplesPurpose
Account DataPhone/email, Telegram ID, display name, avatarCreate & secure your account; login sync
Learning DataCourse progress, answers, XP, streaks, vocabulary lists, mistakesPersonalize lessons, analytics, leaderboards
Audio & VoicePronunciation recordings, role-play dialoguesProvide speech feedback & scoring
Mentorship DataSession bookings, mentor notes, optional session recordingsSchedule, conduct, and review live sessions
Device & LogDevice model, OS, app version, crash logs, city-level IPDiagnostics, fraud prevention, performance
Payment InfoTransaction ID, plan, masked payment tokenProcess subscriptions via Apple / Google
Optional ContentImages or notes you uploadEnhance personalized learning

We do not collect precise GPS location, contact lists, SMS content, or full payment card numbers.

3. How We Use Your Data

  • Deliver and improve core features.
  • Adapt content difficulty & recommendations.
  • Provide pronunciation and grammar feedback.
  • Sync progress across devices.
  • Send reminders and service messages (opt-out anytime).
  • Process purchases and manage subscriptions.
  • Monitor, debug, and secure the Service.
  • Comply with legal obligations.

Legal bases (GDPR): contract performance, legitimate interests, consent, and legal compliance.

4. Sharing & Disclosure

RecipientPurposeSafeguard
Service Providers (hosting, speech-to-text, analytics, payments)Operate infrastructureConfidentiality & DPA contracts
Educational Institutions / MentorsIf you join an institutional course or schedule a sessionLimited to necessary learning data
Legal / SafetyRespond to lawful requests or protect usersAs required by law
Business TransfersMerger, acquisition, or asset saleData remains subject to this Policy

We never sell personal data to advertisers.

5. Cookies & SDKs

  • Apps use Firebase Crashlytics & Analytics (aggregated, pseudonymous).
  • Website uses first-party cookies for session management; no third-party ad cookies.
  • Opt-out anytime in Settings → Privacy or via your device privacy controls.

6. Payment Security

In-app purchases are processed by Apple App Store or Google Play. Card data is tokenized and handled under PCI-DSS; Ustozim servers never store full card numbers.

7. Data Retention

Data TypeRetention
Account & LearningStored while account is active; erased or anonymized within 90 days after deletion request.
Voice RecordingsAuto-deleted after 12 months (configurable in Settings).
Payment RecordsUp to 7 years for tax/legal compliance.
Back-upsPurged on rolling 30-day cycle.

8. Security

  • TLS 1.3 encryption in transit; AES-256 at rest.
  • Encrypted local cache on device.
  • Role-based staff access; annual penetration tests.

9. Children's Privacy

Ustozim is not directed to children under 13. If we learn we collected data from a child without parental consent, we delete it promptly.

10. Your Rights

Depending on your region, you may:

  • Access, correct, or delete personal data.
  • Export (port) your learning history.
  • Object to or restrict processing.
  • Withdraw consent at any time.
  • Lodge a complaint with a data-protection authority.

Exercise rights via Profile → Settings → Privacy or email privacy@ustozim.com. We respond within 30 days.

11. International Transfers

Data may be processed outside your country (UZB, EU or US servers). We use Standard Contractual Clauses or equivalent safeguards for cross-border transfers.

12. Account & Data Deletion

Delete your account in-app (Profile → Settings → Privacy → Delete Account) or submit a request at https://ustozim.uz/delete. All personal data is removed per §7.

13. Changes to This Policy

We may update this Policy. Material changes will be notified in-app or via email 30 days before taking effect.

14. Contact

Fazon Digital LLC

Ziyolilar 9, Tashkent, 100170, Uzbekistan

Email: privacy@ustozim.com

By installing or using Ustozim, you acknowledge that you have read and understood this Privacy Policy.

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