Quantum Shieldz Cipher(QSC)

100+
Downloads
Content rating
Everyone
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About this app

The Quantum Shieldz Cipher is a standalone voice encryption device that works with your smartphone. The user's voice is safely encrypted with a cryptographic key generated by a Quantum Random Number Generator (QRNG) and transmitted to the other party, preventing eavesdropping or unwanted recording using spyware. Quantum Shieldz Cipher is a simple yet highly secure communication device that works with your smartphone.
Updated on
Jul 8, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

What’s new

1. Added function to receive domain as QR-Code when 'user registration'
2. Modify each port information to be received from the server
3. Add functionality to report to server when forced to shut down app
4. Shorten access counterpart status check time
5. Complement the problem of some BLE disconnects when forced to shut down apps after OS upgrade
6. Correction of other errors

App support

About the developer
EYL Inc.
jnkim@eylpartners.com
대한민국 16971 경기도 용인시 기흥구 신구로 52 401호 (구갈동,심구프라자)
+82 10-6357-0222