CryptoDuck - Secret Chat

Custom Cipher for Secret Chats

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

Create your secret language. Custom rules, one-tap encrypt/decrypt, beautiful share cards—processed locally. Pro unlocks unlimited rules & iCloud sync. CryptoDuck helps you and your friends create a secret language only insiders can read. Type a message, pick an encryption rule, and get ciphertext in one tap. Share it anywhere - only those who know the rule can decode it. Perfect for couples, close friends, and fun group chats. [Core Features] - Encrypt and decrypt text with custom rules - Build your own cipher: letters, numbers, emoji - mix freely - Rule management: create, edit, import, export, and share via Deep Link - Share as plain text, file, or beautiful ciphertext card (Pro: no watermark) - History: auto-save sessions with one-tap refill (Pro) - Rule Store: couple packs, emoji ciphers, gaming codes and more [System Extensions] - Home Screen Widget: see your active rule, jump straight to encrypt or decrypt - Shortcuts: encrypt or decrypt without opening the app, results copied to clipboard (Pro) - iCloud sync: keep rules across your devices (Pro) [Privacy First] - Plaintext, ciphertext, and rules stay on your device by default - No ads, no third-party analytics, no cross-app tracking - Optional iCloud sync is handled by Apple [Free vs Pro] Free: 3 manual rules, 12 total, 500 chars per encryption Pro: unlimited rules, no char limit, history, iCloud sync, watermark-free cards, Widget, Shortcuts and all paid rule packs [Important Notice] CryptoDuck uses custom character mapping - not AES or military-grade cryptography. Do not use for highly sensitive data. Ideal for fun secret messaging between people who share a rule. Download CryptoDuck and start your secret conversation. [Auto-Renewable Pro Subscription] 1. Subscription: Continuous (Monthly/Yearly) Pro Membership 2. Duration: One month or one year. Pro features are available during the active subscription period. 3. Price: Monthly and Yearly plans available (actual price shown on the App Store purchase sheet). 4. Payment: Charged to your Apple ID account upon confirmation of purchase. 5. Cancellation: To cancel auto-renewal, turn it off at least 24 hours before the current period ends in Settings > Apple ID > Subscriptions. Otherwise, the subscription renews automatically. 6. Renewal: Your Apple ID account will be charged within 24 hours before the period ends. Upon successful payment, the subscription extends for one more period (1 month or 1 year). 7. Privacy Policy: https://baitemi.com/jmy/privacy.html 8. Subscription Terms: https://baitemi.com/jmy/subscription.html

Ratings & Reviews

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Welcome to CryptoDuck! • Custom encryption rules for your secret language • One-tap encrypt & decrypt with emoji support • Import, export & share rules via Deep Link • Beautiful ciphertext share cards • Home Screen Widget & Shortcuts (Pro) • iCloud rule sync (Pro) • Rule Store: couple, emoji, gaming & festival packs

Version 1.3.0

The developer, Beijing Baitemi Technology Co., Ltd, 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 based, for example, 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

    Provider
    • Beijing Baitemi Technology Co., Ltd
    Size
    • 11.4 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 15 more
    • English, Arabic, Dutch, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Vietnamese
    Age Rating
    4+
    In-App Purchases
    Yes
    • Pro Yearly USD 9.99
    • Pro Monthly USD 0.99
    • Festival Pack USD 0.99
    • Emoji Pack USD 0.99
    • Couple Pack USD 0.99
    • Pro Lifetime USD 17.99
    • Learn More
    Copyright
    • © 火棍App
  • Privacy Policy

    • More by Beijing Baitemi Technology Co., Ltd

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