Qpher

Quantum-Safe Document Security, On Your iPhone

Encrypt, sign, and securely share sensitive documents with post-quantum cryptography. Your private keys never leave our secure enclave.

Free to download. No credit card required.

9:41

Documents

Search documents
NDA_Acme_2026.pdf
245 KB · Mar 28
ProtectedSigned
Tax_Return_2025.docx
1.2 MB · Mar 25
Protected
Passport_Scan.jpg
3.8 MB · Mar 20
ProtectedShared
API_Credentials.json
512 B · Mar 15
Protected
Documents
Shared
Account
FIPS 203 / 204
Secure Enclave
End-to-End Encrypted
Zero Knowledge

FEATURES

Everything You Need to Protect Sensitive Documents

Military-grade quantum-resistant encryption in a simple, intuitive app.

Quantum-Safe Encryption

Encrypt documents with ML-KEM-768 and X-Wing hybrid mode. Your files are protected against both classical and future quantum attacks.

Digital Signatures

Sign documents with FIPS 204 ML-DSA-65 quantum-resistant signatures. Prove authenticity and integrity that will hold up for decades.

Secure Sharing

Share encrypted documents with anyone. Set view-only or download permissions, add expiration dates, and prevent resharing.

Biometric Protection

Lock your vault with Face ID. Auto-lock when you step away. Screen capture detection prevents unauthorized screenshots.

Team Collaboration

Invite team members to your organization. Share documents instantly within your team with zero extra encryption overhead.

Share Extension

Encrypt files from any app on your iPhone. Use the iOS share sheet to send documents directly into Qpher Vault.

SECURITY

Security You Can Trust

Built with the same cryptographic infrastructure trusted by enterprises and government agencies.

Secure Enclave Integration

Encryption keys are generated and stored in your iPhone's Secure Enclave hardware. Even if your device is compromised, keys remain protected.

Screen Capture Detection

Qpher Vault detects and blocks screenshots and screen recordings when viewing sensitive documents. Your data stays on your screen.

Watermark Protection

View-only documents display a visible watermark with the recipient's identity. Discourages unauthorized distribution.

Access Audit Logs

Track who accessed your documents, when, and from where. Full activity trail for compliance and peace of mind.

GET STARTED

Protect Your First Document in 60 Seconds

No technical knowledge required. Just download, sign up, and encrypt.

1

Download the App

Get Qpher Vault free from the App Store. Available for iPhone and iPad.

2

Create Your Account

Sign up with Apple or email. Your encryption keys are generated automatically.

3

Encrypt & Share

Pick a file, tap encrypt, and share securely. It's that simple.

USE CASES

Built for Professionals Who Handle Sensitive Documents

Legal Professionals

Protect attorney-client privileged documents, contracts, and litigation files. Quantum-resistant signatures serve as tamper-proof evidence.

Financial Services

Secure KYC documents, transaction records, and audit reports. Meet regulatory requirements with encryption that withstands quantum threats.

Healthcare

Encrypt patient records, lab results, and prescriptions. HIPAA-compliant document protection with quantum-safe cryptography.

WHY QPHER

Future-Proof Security, Today

Traditional encryption will be broken by quantum computers. Qpher Vault uses NIST-standardized post-quantum algorithms to keep your documents safe — now and decades from now.

Encryption Algorithm
TraditionalAES / RSA (quantum-vulnerable)
QpherML-KEM-768 (quantum-safe)
Key Storage
TraditionalSoftware keychain
QpherSecure Enclave hardware
Sharing Security
TraditionalPassword-protected links
QpherPQC re-encapsulation
Screenshot Protection
TraditionalNone
QpherBuilt-in detection & blocking
Digital Signatures
TraditionalRSA / ECDSA
QpherFIPS 204 ML-DSA-65
Compliance Standard
TraditionalPre-quantum only
QpherNIST PQC (FIPS 203 / 204)

PRICING

Free to Receive. Upgrade to Send More.

Every free user can receive, decrypt, and verify unlimited documents. Upgrade when you need to send more.

Free Forever

Explorer

Free

Receive and verify documents with no limits. Free forever.

  • Unlimited receive & decrypt
  • Unlimited signature verification
  • 50 MB cloud storage
  • 5 MB max file size
  • 3 shares / month
  • All PQC algorithms
  • L1 key storage
Most Popular

Personal

$7.99/mo

Send and share more with full encryption features.

  • Everything in Explorer
  • 5 GB cloud storage
  • 50 MB max file size
  • 50 shares / month
  • Hybrid encryption
  • Access logs
  • Face ID & auto-lock
  • Share extension

Business

Included

Included with Qpher API Professional ($199/mo). Manage your team's Vault access.

  • Everything in Personal
  • Multiple Vault accounts
  • Admin portal & dashboard
  • Team invitations & roles
  • Shared org tenant & keys
  • Organization policies
  • Priority support

Already using Qpher API? Your team gets Business automatically.

Protect Your Documents Today

Download Qpher Vault for free and encrypt your first document in under a minute. No credit card required.

Ask Qpher AI