OTG Master

Content rating
Everyone
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Content rating
Everyone
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About this app

OTG Master lets you mount VeraCrypt-encrypted USB drives directly on your Android device — no root required.

Connect a VeraCrypt volume via USB OTG, enter your password, and access your encrypted files through Android's built-in Files app. Unmount safely when done.

FEATURES
• Mount VeraCrypt volumes formatted as FAT32 or exFAT
• Read and write files on mounted volumes
• Auto Mount — automatically unlocks known drives on connect using biometric authentication
• Hub support — multiple USB drives connected via a hub are all prompted in a single biometric step
• Keyfile support — use a keyfile in addition to or instead of a password
• Custom PIM — supports non-default PIM values for stronger key derivation
• Cipher selection — AES and Serpent supported
• Partitioned disks — scans MBR partition tables and lets you pick the right volume
• No root required — works on standard, unmodified Android devices
• No cloud, no tracking — your files never leave your device

REQUIREMENTS
• Android 8.0 (Oreo) or later
• USB OTG cable or adapter
• A VeraCrypt-encrypted USB drive

OTG Master is free and open source.
Mount VeraCrypt-encrypted USB drives on Android - no root required
Updated on
Aug 15, 2026

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
  • No data collected
    Learn more about how developers declare collection
  • Committed to follow the Play Families Policy

What’s new

Updated target SDK to Android 16 (API level 36) to meet Google Play requirements.