Idevo - Private AI Archive

Own Your History. Local & Safe

Free · In‑App Purchases · Designed for iPad

Reflect. Preserve. Build.  v1.2 introduces Timeline Highlights and incremental import.  Idevo is now built for long-term AI conversation archiving. What began as “Thought Log,” a simple archive for ChatGPT, has evolved into Idevo — a beautifully crafted, privacy-first knowledge companion for the AI age. Idevo works entirely offline — your conversation data is processed and stored on your device. It helps you preserve your most valuable conversations and ideas by importing your ChatGPT history and turning it into a permanent, organized record. Save important answers, revisit insights from months ago, and trace how your thoughts evolve over time. Idevo follows a freemium model. The Basic plan (free) includes core features such as PDF export, Favorites, and the Timeline view, with an import window limited to the most recent three months of chat history. There are no ads and no tracking. For users who need more, we offer: Lite Mode — remove the 3-month limit and grow your archive over time with incremental imports and tags Pro Mode — includes Lite, plus Insights for visualizing message counts, model usage, and long-term patterns Key Features • Mark important responses and return to them instantly • Export beautifully formatted conversations as PDF • Visualize your activity and ideas over time with the Timeline view • Import ChatGPT history effortlessly (.zip / .json) • All conversation data is AES-encrypted and stored locally on your device only • Filter and search to rediscover past conversations with ease • (Basic / Free) All major features available; import up to 3 months • (Lite) Removes the import limit and archives the full span of your ChatGPT conversations  Supports incremental imports and up to 5 tags • (Pro) Everything in Lite + Insights (visualize message counts and model usage distribution) Language Support Available in English and Japanese. The app automatically adapts to your device’s language settings. FAQ What is Idevo? Idevo is the next evolution of Thought Log — an AI chat archiver designed to preserve the conversations that shape your thinking. It organizes your past dialogues into a refined, searchable “record of knowledge,” helping you connect past insights with future ideas. Think of it as a bridge between reflection and creation. Who is Idevo for? Professionals, creators, students, engineers—anyone who uses AI as part of their work or learning. Idevo brings structure, clarity, and longevity to your most important conversations. It’s like having your own personal knowledge base in your pocket. How do I export my ChatGPT history? From your ChatGPT account settings, use the “Export Data” feature to download your conversation history. (See the official OpenAI help page for details.) For more questions, please visit our FAQ: https://idevo.app/faq.html Disclaimer Idevo is not an official product of OpenAI or ChatGPT. It is an independent tool designed to help users privately archive, organize, and preserve their own AI conversations.

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Refined interaction handling for a smoother scrolling experience. Minor polish and stability improvements.

The developer, Mindframe, 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

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

    • Seller
      • Mindframe
    • Size
      • 6.8 MB
    • Category
      • Productivity
    • Compatibility
      Requires iOS 17.6 or later.
      • iPhone
        Requires iOS 17.6 or later.
      • iPad
        Requires iPadOS 17.6 or later.
      • Mac
        Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.3 or later.
    • Languages
      • English and Japanese
    • Age Rating
      4+
    • In-App Purchases
      Yes
      • Idevo Pro $12.99
      • Idevo Lite $5.99
      • Idevo Pro Upgrade $6.99
    • Copyright
      • ©︎ 2026 Mindframe.jp