WhisperKey

Encrypt messages you send

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Try WhisperKey free for 30 days. Encrypt messages before you send them in WhatsApp, Signal, iMessage, and more. Subscribe after your trial to keep encrypting. WhisperKey is free to download and adds an extra layer of encryption to messages you send in apps you already use—like WhatsApp, Signal, iMessage, SMS, Teams, Slack, and email. Type in WhisperKey, encrypt, then share or copy into any messaging app. HOW IT WORKS Open the Compose tab and type your message. Choose an encryption mode: Open, WhisperKey, or a paired contact. Tap Encrypt. Tap Share or Copy and send it through your favorite messaging app. When you receive an encrypted message, paste it into Compose, choose the same mode, and tap Decrypt. ENCRYPTION MODES • Open — send plain text with no encryption. • WhisperKey — encrypt so any WhisperKey user can decrypt. No setup required. • Private — pair with a contact using a shared phrase. Only you and that contact can decrypt each other’s messages. PAIRING Create or share a pairing phrase with someone you trust. Both users save the phrase, verify that the generated verification code matches, and complete pairing. Verified contacts appear in the encryption mode menu. PRIVACY All encryption and decryption are performed locally on your device. WhisperKey does not store your messages, pairing phrases, or decrypted content on external servers. Shared pairing information is protected using Apple’s secure Keychain technology. FREE 30-DAY TRIAL New users receive a free 30-day trial with full access to encryption and decryption in Compose. No subscription is required during the trial. After the trial ends, WhisperKey Annual ($9.99/year) is required to continue using Encrypt and Decrypt. You can still browse the app, manage contacts, and use the tutorial without a subscription. SUBSCRIPTION WhisperKey Annual unlocks continued access to encryption and decryption after the free trial. Subscribe, restore purchases, or manage your plan in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ai2-3d.com/privacy-policy Questions or support: See the links available in Settings within the app.

Ratings & Reviews

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• Welcome message explains your free 30-day trial on first launch • Clear notice when your trial ends, with a quick path to subscribe in Settings • Improved subscription and trial messaging in Settings • Privacy Policy link updated

Version 1.0.2

The developer, Eugenio Liscio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Eugenio Liscio
    Size
    2.8 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    13+
    In-App Purchases
    Yes
    Copyright
    © 2026 Eugenio Liscio
  • Developer Website
  • Privacy Policy

    • More by Eugenio Liscio