1. Overview
Welcome to Congo 3D: Play & Learn, developed by Zunnka. Congo 3D is a photorealistic 3D Cuban percussion simulation and rhythm masterclass for Tumbadora, Conga, and Quinto drums.
We deeply respect your privacy. The app does not collect or store any personal information: no account registration, no name, no email address, no phone number, and no tracking of your real-world location. The app contains zero commercial ads.
2. Third-Party Services Used & Why
Congo 3D relies on a few essential services to deliver acoustic sounds, ensure stability, and optimize gameplay:
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Google Firebase Analytics: Collects aggregated, non-personally identifiable telemetry (such as drum finishes viewed, camera views selected, and lessons completed). This helps us understand general feature popularity and improve future updates. No personal identities or profiles are collected.
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Google Firebase Crashlytics: Automatically captures anonymous technical crash reports and system state at the time of an unexpected error, allowing our engineering team to quickly diagnose and fix bugs.
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Cloudflare Services (Workers & Cloudflare R2): Used to securely deliver the studio-recorded acoustic percussion sound samples (from the
Congas/ sound library) to your device when the app is first set up.
3. Device Permissions & Why They Are Needed
We request only the minimal permissions necessary for core musical and tuning functionality:
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Internet
Sound Download & Crash Reporting:
Needed to download the acoustic conga sound resources from Cloudflare on initial setup and to transmit anonymous crash logs to Firebase Crashlytics.
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Audio Recording (RECORD)
Real-Time Chromatic Tuner:
Used exclusively by the built-in acoustic chromatic tuner to detect the pitch frequency of your drum head in real time.
Important: Audio is analyzed in volatile device memory and is never recorded, never saved to storage, and never transmitted over the internet.
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Vibration
Haptic Feedback:
Used to provide tactile vibrations when tapping the drumheads, simulating physical acoustic resonance.
4. Beat Recording & Offline Playability
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Local Rhythm Patterns: When you use the in-app recording feature, only note event timing and drum pad touches are saved locally on your device. No microphone audio is ever recorded during beat sequencing.
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Private to Your Device: Your recordings are stored strictly inside your private app space on your device. They are never uploaded to any remote server or shared. You can replay or delete them anytime in the Recordings dialog.
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Full Offline Capability: Once sound files are downloaded on initial launch, Congo 3D operates completely offline without requiring an active internet connection.
5. Children's Privacy
Congo 3D is designed for music learners of all ages. We comply with the Children's Online Privacy Protection Act (COPPA) and Google Play Families Policy. We do not collect any personal information from children under 13.
6. Contact Us
If you have any questions or feedback regarding this Privacy Policy, please contact us at: