Onvellum — Cards & Docs Wallet

The Heisenberg

In-app purchases

About this app

Onvellum is a premium, 100% offline, zero-knowledge digital vault designed to organize and protect your payment cards, identity documents, scanned files, and personal records directly on your device.

Protected by hardware-backed AES-256 bit encryption and your personal Master Passcode, Onvellum ensures your sensitive financial and personal data remains completely private, secure, and accessible only to you.

🌟 KEY FEATURES

💳 PAYMENT CARD MANAGER
• Store credit & debit cards with interactive 3D visual preview flip animations.
• Customize card appearance with custom color swatch palettes.
• Automatic card brand detection (Visa, Mastercard, Amex, Discover, Rupay).
• Instant copy for card numbers & CVVs.

🪪 IDENTITY VAULT
• Store driver's licenses, passports, national IDs, student IDs, and medical cards.
• Upload HD front & back image scans.
• High-resolution pinch-to-zoom image viewer.
• Direct 1-click image download to device Downloads folder.

📄 ENCRYPTED DOCUMENT VAULT
• Store PDFs, contracts, insurance policies, and personal documents.
• Built-in HD PDF viewer with fast page navigation.
• Camera photo scanner for instant document import.
• Direct 1-click document export.

🔒 HARDWARE AES-256 ENCRYPTION & PRIVACY
• Zero-Knowledge Architecture: No cloud servers, no remote databases, and no user accounts. Your data never leaves your physical device.
• PBKDF2 Key Derivation: Encryption keys are generated locally using PBKDF2 with SHA-256 from your 4-digit Master Passcode.
• Zero Tracking: No advertising SDKs, no analytics packages, no telemetry tracking tools, and no third-party code.

🎨 MODERN DESIGN
• Sleek dark matte charcoal design system.
• Squircle navigation headers & smooth transitions.
• 100% Free, Private & Ad-Free.

Take complete control of your digital privacy with Onvellum!

What’s new

• Fixed the tab bar sitting behind the Android navigation bar
• Vault contents are now hidden in the app switcher and from screenshots
• Faster, safer passcode changes
• Support the Developer now shows correct regional prices
• Stability fixes