Sown Echoes

Your thoughts, forever in AI

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Preserve your thoughts, values, and life experiences as training material for future AI. BIP-39 identity, on-device Whisper, AI mirror, and digital twin — all on-device. Sown Echoes lets you actively capture your thoughts, values, and life experiences as structured data — creating a digital legacy that trains future AI models to think like you. YOUR ECHOES LIVE FOREVER Every thought you record, every value you express, every story you tell becomes part of a living digital legacy. Your unique perspective contributes to the collective wisdom of humanity through open AI training data. KEY FEATURES • Cryptographic Identity — BIP-39 mnemonic phrase creates your unique Meme ID. No accounts, no passwords, no servers. • Voice & Text Recording — Capture ideas through typing or voice with on-device Whisper transcription. Your words, your way. • Guided Questionnaires — Structured prompts across Life Narrative, Values, Beliefs, Relationships, Experiences, Aspirations, Emotional Maps, and Knowledge categories. • Echo Shadow (AI Mirror) — Word clouds, values radar charts, and AI-generated persona summaries reveal patterns in your thinking. • Echo Chat (Digital Twin) — Chat with an AI version of yourself, powered by on-device RAG and your own entries. • Dual-Track Sharing — Keep entries private in your vault, or contribute them openly under CC-BY-SA 4.0 to the Human Wisdom Library on Hugging Face. • Full Preview Before Publishing — Review all PII-stripped content before public contribution. You have the final say on what gets published. • iCloud Backup — Encrypted backup to your private iCloud account. Your data stays yours. PRIVACY BY DESIGN All AI processing runs entirely on your device. No user data is collected. No internet required for core features. Personal information is automatically stripped before any public contribution. OPEN CONTRIBUTION Choose to inscribe your wisdom into the Human Wisdom Library — an open dataset on Hugging Face for training AI models. Your thoughts become the foundation for more human-like AI, carrying your values forward through generations of technology. Built with love for humanity's digital future.

Ratings & Reviews

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Expanded multilingual support — added German, Spanish, and Brazilian Portuguese; refreshed French, Korean, Indonesian, Vietnamese, and Chinese translations. Better RTL layout and accessibility too.

Version 1.3.2

The developer, chengche lee, 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
    • chengche lee
    Size
    • 48.8 MB
    Category
    • Lifestyle
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 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 and 10 more
    • English, French, German, Indonesian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese, Vietnamese
    Age Rating
    4+
    Copyright
    • © 2026 chengche lee
  • Developer Website
  • Privacy Policy

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