Qpher

Opened only by the people you choose.

Encrypted on your iPhone, signed in your name, shared with any email address (the recipient opens it in Qpher Vault). Web version coming soon.

Free to download. No credit card required.

NIST post-quantum algorithms
Encrypted on your device
Isolated key service
Lock the app with Face ID

FEATURES

What Qpher Vault does

Encrypt, sign and share documents on your iPhone, with the people you choose.

Share with the people you choose

Share with any email address (the recipient opens it in Qpher Vault). Choose whether they can save a copy.

Signed in your name

Sign a document with ML-DSA in your name before you share it; recipients see that it is signed.

Face ID lock

Turn on Face ID and the app locks whenever you switch away from it.

Encrypt from any app

Use the iOS share sheet to send a file from another app straight into Qpher Vault.

Your organization's documents

Members of an organization share inside it with no key re-wrap; admins manage members in Qpher Portal.

Post-quantum key wrapping

Each document is encrypted on your iPhone with AES-256-GCM; its key is wrapped with X-Wing (X25519 + ML-KEM-768).

SECURITY

How your documents are protected

Keys are generated and used only inside Qpher's isolated key service; documents are encrypted on your iPhone before upload.

Keys held in an isolated key service

Private keys are generated and used only inside Qpher's isolated key service. No API can export them.

Screen capture detection

While the screen is being recorded, the document is covered by a warning; screenshots are detected and logged.

Watermarked view-only shares

View-only recipients see their email address and the date as a watermark across the document.

Access log

On paid plans, see when each document was opened, shared or signed, and by whom.

GET STARTED

Protect your first document in a minute

Download, sign in, and encrypt.

1

Download the app

Get Qpher Vault free from the App Store. iPhone, iOS 17 or later.

2

Sign in

Sign in with Apple or email. Your keys are created in Qpher's isolated key service.

3

Encrypt and share

Pick a file, encrypt it, and share it with any email address (the recipient opens it in Qpher Vault).

PRICING

Free to Receive. Upgrade to Send More.

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

Free Forever

Free

Free

Receive and open documents with no limits. Free forever.

  • Unlimited receive & decrypt
  • 10 encryptions / month
  • 5 shares / month
  • 50 MB cloud storage
  • 5 MB max file size
  • L2 Cloud KMS key storage
Most Popular

Personal

$7.99/month

Send and share more with full encryption features.

  • Everything in Free
  • 50 encryptions / month
  • 50 shares / month
  • 50 exports / month
  • 5 GB cloud storage
  • 10 MB max file size
  • Access logs

Start with one document

Download Qpher Vault for free and encrypt your first document on your iPhone.

Ask Qpher AI