日々の断片を検索できる記憶に変えるAI日記
Memexは考え、音声、写真、振り返りをAIで整理し、時間が経つほど探しやすい日記にします。

「次に何を作るべきか明確だった瞬間を見せて」
AI journal app
What is an AI journal app?
An AI journal app is a journaling tool that uses artificial intelligence to help capture, organize, search, summarize, or reflect on personal entries. Some AI journaling apps focus on prompts and coaching. Memex focuses on turning text, photos, and voice notes into searchable life context you can keep.
AIは日記を軽くするべきです
良いAI日記は人生を代筆するものではなく、記録した内容を整理し、見つけやすくするものです。
プライバシーを前提に設計
ローカルファースト保存、データ所有権、透明なAIルーティングを中心に日々の思考を保ちます。
ファイルではなく生活を検索
断片的な記録、写真、音声を後から見つけられるタイムラインカードに整理します。
振り返りを助けるAI
AIで記憶を整理し、パターンを見つけ、日記をブラックボックスにせずやさしい促しを作ります。
AI journaling workflows Memex is built for
The strongest AI journal apps do more than show a blank page with a chatbot. They support the real moments when personal records happen: quick voice notes, photos, scattered thoughts, and later searches.
Morning reflection
Start the day with a short intention, then let Memex keep it connected to later notes, tasks, and decisions.
Voice journal
Record spoken thoughts, transcribe them, and turn the useful parts into searchable journal context.
Photo journal
Keep visual memories alongside text so places, people, and objects do not disappear into a camera roll.
Memory search
Ask for old moments by meaning instead of remembering exact words or dates.
Weekly insight review
Review patterns across entries so your journal becomes more than an archive of isolated days.
Bring-your-own-model AI
Choose the LLM provider that fits your privacy, cost, and offline workflow instead of relying on one hidden model.
Who is Memex for?
Memex is not trying to be a therapy app or a generic AI chatbot. It is for people who want journaling to become a durable memory layer.
People who capture fragments
If your journal is made of quick notes, photos, voice memos, and half-finished thoughts, Memex gives those fragments structure.
Privacy-conscious journalers
If your journal contains sensitive thoughts, local-first storage, open-source code, and clear AI routing matter.
Voice and photo journalers
If typing is not your default, Memex treats voice and photos as first-class journal inputs.
Builders and power users
If you want inspectable code, custom agents, and model choice, Memex is closer to a personal memory system than a closed diary.
AI日記 vs 従来の日記アプリ
従来の日記は入力内容を保存します。Memexはそれを使える記憶レイヤーへ変えます。
| Capability | Traditional journal app | Memex AI journal |
|---|---|---|
| Capture | Mostly text entries | Text, photos, and voice notes |
| AI role | Prompts or light summaries, if any | AI-powered organization across entries |
| Organization | Manual tags or folders | AI-generated timeline cards |
| Search | Exact keyword search | Meaning-based memory search |
| Voice journaling | Audio may stay as an attachment | Voice can become transcribed, searchable journal context |
| Privacy posture | Often cloud-first | Local-first and open source |
AI日記には強いプライバシーモデルが必要です
AIを使うなら、保存、書き出し、モデルへの送信経路が明確であるべきです。
ローカルファースト基盤
記録と保存は、サーバー中心ではなくデバイスを中心に設計されています。
ポータブルな記録
MarkdownやSQLiteなど、アプリ外でも使いやすい形式を重視しています。
AIの経路を選ぶ
機密性の高いプロンプトがどこへ流れるかを、より明確に管理できます。
AI日記 FAQ
What is an AI journal app?
An AI journal app uses AI to help capture, organize, search, summarize, or reflect on personal entries instead of only storing dated text. Memex focuses on AI-powered organization: text, photos, and voice notes become searchable timeline cards.
What is the difference between an AI journal app and an AI journaling app?
Most people use the terms interchangeably. In practice, an AI journaling app often emphasizes prompts and reflection, while an AI journal app can also include search, transcription, organization, and long-term memory across entries.
Does Memex write my journal for me?
Memex is focused on organizing and helping you rediscover what you capture, not replacing your own reflections.
Can an AI journal be private?
Yes, but the details matter. Look at where records are stored, how exports work, and how AI prompts are routed.
Does Memex work as an AI voice journal app?
Yes. Memex supports voice capture and turns spoken notes into journal records that can be organized and searched alongside text and photos.
Who is Memex best for?
Memex is best for people who want journaling to become a long-term personal memory system.