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2026年に試すべきトップ10のデジタルノートブック

6月5日
読了時間: 14分
Top 10 Digital Notebook You Must Try in 2025

2026年に試すべきトップ10のデジタルノートブックアプリは次のとおりです: remio, Notion, Microsoft OneNote, Evernote, GoodNotes, Apple Notes, Google Keep, Zoho Notebook, Obsidian, and Simplenote. 各デジタルノートブックは、アイデアをキャプチャし、ノートブックを整理し、情報をすばやく見つけるのに役立つように設計されています。デジタルノートブック市場は、$1 billion in 2025 を超えると予測されており、今後10年間も成長を続けます。AI機能を備えたデジタルノートブックアプリは、人々の作業を最大30%高速化し、ノートブックをより効率的に整理できることが研究で示されています。

Source

Finding

Gartner

AIを活用したデジタルノートブックアプリは、人々の作業を最大30%高速化できます。

Harvard Business Review

AIを活用したデジタルノートブックツールを使用すると、最大25%多くの情報を記憶できます。

Pew Research Center

デジタルノートブックでメモを探す時間が最大50%短縮されます。

McKinsey & Company

AIデジタルノートブックツールを使用する企業は、20〜30%速く作業し、15〜20%多くの新しいアイデアを生み出します。

Key Takeaways

  • Try top digital notebook apps like Remio, Notion, and Evernote. These apps help you take better notes in 2026.

  • Use AI features in digital notebooks を活用して作業を高速化しましょう。最大30%多くの成果を上げることができます。最大25%多くの情報を記憶できます。

  • Keep your notes neat with folders, tags, and clear headings. This makes searching and sorting much easier.

  • Connect your digital notebook with other tools like calendars. You can also use project management apps. This helps you work better.

  • Test different apps to find the one you like most. Pick the app that fits your style and needs. This helps you get more done.

Digital Notebook Trends 2026

Productivity Features

2026年、デジタルノートブックアプリには多くの便利な機能が搭載されます。これらの機能は、毎日の作業をより効率的にします。多くのアプリがAI to give you coaching やライティング支援を提供します。一部のアプリでは気分をトラッキングする機能もあります。AIノートテイカーは会議を聞き取り、メモを自動作成できます。要約やアクションアイテムのリスト作成も可能です。これにより、タイピングではなく会議に集中できます。一部のアプリは多言語対応で、チャットプラットフォームと連携します。チームでブレインストーミングを行い、AIが重要なアイデアを表示してタスクを即座に割り当てます。

Trend

Description

スマートアシスタントによるパーソナルコーチング、ライティング支援、気分トラッキング。

Data Privacy Measures

ブロックチェーンセキュリティ、エンドツーエンド暗号化、生体認証。

Integration with Wearables

スマートウォッチによるジャーナリング、音声メモ、IoT対応同期。

You can use tools to make daily notes and manage tasks. Expandable outlines help you keep things neat. These features help you work faster and keep your notes tidy.

Organize Your Notes

It is easier than ever to organize your notes できるようになりました。多くのアプリでフォルダー、タグ、カラーを使えます。たとえば、Google Keep ではノートに色を付け、音声メモを使用できます。話した内容を書き起こすことも可能です。Apple Notesではフォルダー、タグ、書類のスキャンが利用できます。これらのツールは、素早い検索とノートの整理に役立ちます。階層タグやclear names をノートに付けることを試してみてください。これによりAIがノートをより良くソート・検索できるようになり、時間を節約できます。

Tip: Use clear and simple headings in your notes. This helps AI tools read your notes and makes searching much faster.

Integration Tips

You can save time by syncing your notebook with other tools. Make templates for different kinds of notes. This keeps your work neat and easy to follow. Use tags in levels so AI can organize your notes better. Give your notes clear names and add extra info to each one. This makes it easier to search and sort. Sync your notebook with your calendar, email, and project tools. This saves you time and keeps everything together.

  1. Make templates for each kind of note.

  2. Use tags in levels to organize better.

  3. Name your notes clearly so you can find them.

  4. Add extra info to help you work faster.

  5. Sync your notebook with other tools you use.

Watch your API use and costs if you use many services. Saving content you use a lot can also help you work faster.

Top 10 Digital Notebook Apps

Top 10 Digital Notebook Apps

1. remio

remio 3.0 (released April 2026) is the most capable personal knowledge system on this list, built around a complete Agent system rather than a note editor. Connect your sources — web browsing, meetings, local files, Slack, Gmail, Outlook, and even your ChatGPT and Gemini conversation histories — and remio builds a searchable, AI-queryable knowledge base automatically. Nothing needs to be manually organized.

The 3.0 release introduced rOS (remio Agent OS) and 30+ agentic apps (aApps). AK Wiki — an implementation of Andrej Karpathy's LLM Wiki pattern — ships as a built-in aApp, turning your knowledge corpus into a structured wiki with zero manual page creation. Smart Todo extracts action items from meetings. My Headlines generates daily briefings from your saved content. Skills include PPT generation, spreadsheet analysis, deep research, and Browser-Use. One-click connectors for Notion, Linear, Zapier, Stripe, and full MCP standard.

The five-level memory system spans your foundational preferences, session context, daily activity logs, cross-platform AI conversation history (ChatGPT, Gemini, Grok, DeepSeek), and full knowledge corpus. rVault creates automatic backups before any Agent writes to files.

Key Features

  • Automatic capture from web, meetings, files, emails, and external AI chats

  • Five-level persistent memory — context that compounds over time

  • 30+ aApps: AK Wiki, Smart Todo, My Headlines, WeChat/Telegram gateway, academic search

  • Connectors: Notion, Linear, Zapier, Stripe, plus full MCP standard

  • BYOK: connect OpenAI, Anthropic, Gemini, X-AI, or OpenRouter

  • Pricing: Free ($0), Pro ($11.6/mo annual), BYOK ($14.9/mo)

2. Notion

Overview

Notion gives you one place で思考、ノート、タスク、プロジェクトを管理できます。チームで共同作業し、同時に編集可能です。ページを自由にカスタマイズでき、ホーム用と仕事用に複数のワークスペースを作成できます。NotionにはAIライティング支援機能と豊富なテンプレートがあります。

Pros

  • Helps you handle projects and clearly see your work steps.

  • You can use templates to quickly start new notebooks.

  • Integrates with calendars.

  • Features AI-powered meeting notes.

  • Suitable for both individuals and teams.

Cons

  • It may seem a bit complex at first and has a learning curve.

  • Some advanced features require a paid subscription to use.

Pricing

Plan

Features Included

Price (USD)

Free

Personal notes, basic collaboration

$0

Plus

Unlimited blocks, advanced collaboration

$8/month

Business

Team management, advanced security

$15/month

Enterprise

Custom solutions, admin controls

Custom

Notion is great if you want to keep notebooks, manage tasks, and work with others.

Key Feature

Ideal Use Case

Centralized workspace

Keeping thoughts, notes, tasks, and projects

Collaboration features

Team projects and editing together

Multiple workspaces

Organizing for home and work

Customizable pages

Making pages fit your needs

Task and project management

Planning and doing team projects

Visual project workflows

Seeing project steps and what needs to be done

Extensive template library

Starting tasks and projects quickly

AI writing assistant

Helping you write and sum up info

Knowledge library (Wikis)

Sharing info and helping new team members

Calendar integration

Keeping calendars and tasks together

AI meeting notes

Writing down and summing up meetings

3. Microsoft OneNote

3. Microsoft OneNote

Overview

You use OneNote to put info from many places into one spot. The app works with Microsoft 365, so you can add Word, Excel, and PowerPoint stuff. OneNote lets you set up tasks and sync notes with calendars and project tools. You can use other platforms to connect OneNote with more apps.

Pros

  • Ability to gather information from many sources.

  • Helps in keeping notebooks organized.

  • Facilitates sharing of notes.

  • Supports viewing notes on any device.

Cons

  • Can become messy if you have many notebooks.

  • Some features are optimized for Microsoft 365.

Pricing

Plan

Features Included

Price (USD)

Free

Basic note-taking, cloud sync

$0

Microsoft 365

Full integration, advanced features

$6.99/month

Enterprise

Team management, admin controls

Custom

OneNote is a smart pick if you want to save notes from different places and use Microsoft tools.
4. Evernote

4. Evernote

Overview

Evernote keeps your notes すべてのデバイスで同期します。ノートを明確な順序で整理でき、強力な検索ツールを備えています。Evernoteはチームでの共同作業にも適しています。

Pros

  • You can see your notebooks anywhere.

  • The search tool helps you find notes fast.

  • Evernote lets you work with others and share notes.

Cons

  • The free plan has some limits.

  • Paid plans cost more than other free digital notebooks.

  • Evernote is not made for project management.

Pricing

Plan

Features Included

Price (USD)

Free

Basic notes, device sync

$0

Personal

More storage, advanced search

$10.83/month

Professional

Team features, integrations

$14.17/month

Teams

Collaboration, admin controls

Custom

5. GoodNotes

5. GoodNotes

Overview

GoodNotes gives you a big space for mind maps and diagrams. You can use templates to start creative work. The app lets you draw and write with a stylus. GoodNotes helps you plan and brainstorm with pictures.

Pros

  • The big canvas allows for detailed diagrams.

  • Templates help in quickly starting new notebooks.

  • The app is great for creative people and students.

Cons

  • Works best on tablets with a stylus.

  • Some features do not work on every device.

Pricing

Plan

Features Included

Price (USD)

Free

Basic note-taking, limited templates

$0

Full

Unlimited notebooks, all templates

$7.99 one-time

Premium

Advanced diagramming, cloud sync

$9.99/year

6. Apple Notes

6. Apple Notes

Overview

Apple Notes works on iPhone, iPad, and Mac. You can change how notes look, add checklists, pictures, and sound. The app lets you share and work with others. Apple Notes has strong search tools to help you find notes fast.

Pros

  • You can see your notebooks on any Apple device.

  • The app keeps notes neat with folders and tags.

  • You can work with others easily.

Cons

  • Apple Notes works best with Apple products.

  • Some features do not work on non-Apple devices.

Pricing

Plan

Features Included

Price (USD)

Free

All features, cloud sync

$0

Apple Notes is made to work well with Apple devices. You can get to your notes from any Apple product. This makes it easy to keep working and find your notes anytime.

7. Google Keep

7. Google Keep

Overview

  • Google Keep is easy to use for quick notes. You can use colors and voice memos. The app works on all your devices and with Google services.

Pros

  • You can make and sort notebooks fast.

  • The app is free and good for short notes.

  • Google Keep is simple to learn.

Cons

  • Google Keep does not have some basic features like sub-lists and fancy formatting.

  • You cannot lock notes or share them as PDFs.

  • The app does not let you do math functions.

Pricing

Plan

Features Included

Price (USD)

Free

All features, cloud sync

$0

8. Zoho Notebook

8. Zoho Notebook

Overview

Zoho Notebook works on all your devices. You can make notes as text, audio, sketches, or photos. The app lets you share safely and backs up your notes in the cloud. Zoho Notebook cares about your privacy and does not use ads.

Pros

  • You can use many note types for different needs.

  • The app saves your notebooks for backup and easy access.

  • Safe sharing lets you work with others.

Cons

  • Some top features need a paid plan.

  • The app may feel different from other note apps.

Pricing

Plan

Features Included

Price (USD)

Free

Basic notes, cloud sync

$0

Premium

Advanced features, extra storage

$4/month

  • Works on all devices

  • Lets you make notes as text, audio, sketches, and photos

  • Safe sharing for teamwork

  • Cloud backup for safety and access

  • Keeps your info private and does not use ads

9. Obsidian

9. Obsidian

Overview

Obsidian lets you link notes about certain topics. The app uses plugins to put tagged items into lists. You can keep track of tasks and ideas easily. Obsidian is liked for managing knowledge and research.

Pros

  • You can make linked notebooks for deep learning.

  • Plugins help you sort and find info fast.

  • Obsidian works offline and uses Markdown.

Cons

  • The app may look hard for new users.

  • Some plugins need setup and learning.

Pricing

Plan

Features Included

Price (USD)

Free

Personal use, markdown support

$0

Catalyst

Early access, community support

$25 one-time

Commercial

Business use, priority support

$50/year

10. Simplenote

10. Simplenote

Overview

Simplenote gives you a clean and easy way to take notes. You can sync notes on all your devices and use tags to sort them. The app works with markdown and keeps old versions.

Pros

  • You can use Simplenote for quick, simple notes.

  • The app is free and works on many devices.

  • Tags help you keep notebooks sorted.

Cons

  • Simplenote does not let you add images or files.

  • The app has fewer tools than other note apps.

Pricing

Plan

Features Included

Price (USD)

Free

All features, cloud sync

$0

Simplenote is a good pick if you want free digital notebooks for fast notes and easy sorting.

Boost Productivity with Digital Notebooks

Note Taking Best Practices

You can get more done by using digital notebooks for notes. Stop using paper notebooks to work better and keep ideas safe. When you write things in a digital notebook, you do not lose important info. Try making mind maps to sort your thoughts. Start with one main idea, then add smaller details around it. This way, you can split big topics into small parts and link ideas together. Mind maps help you see what is important and come up with new ideas.

  • Use digital notebooks to keep things neat and get more done.

  • Write down info so you do not forget anything.

  • Mind maps help you see your ideas and work better.

  • Make a mind map for each topic.

  • Split big ideas into smaller ones.

  • Link ideas to understand everything better.

Tip: Mind maps are great for studying and thinking of new ideas. You can look at one topic and add more ideas step by step.

Organize Your Notes Efficiently

You can keep notes neat by using folders, tags, and reminders. This helps you work faster and find notes quickly. Many apps let you make groups inside groups, so you can sort notes by subject or project. Add tags to each note to search easily. Evernote is a good app that helps you keep notes neat and easy to find. When you use tags and folders, you can focus on your work and get more done.

  • Keep notes in notebooks to stay neat.

  • Add tags and reminders to find notes fast.

  • Use groups inside groups for better order.

Note: Keeping your notes neat helps you focus and makes it easier to work well every day.

Integration for Productivity

You can get more done by linking your digital notebook with other tools. Sync your notes with your calendar to set reminders and plan tasks. Use templates for different notes to work faster. Many apps have smart search tools to help you find info fast. The table below shows how search tools help you work better and stay focused.

Feature

Description

Efficient Retrieval

Linked notes help you find info fast.

Smart Retrieval

Smart tools find details by looking at what you need.

AI Organization

Notes are sorted by smart tools to make a network of ideas.

Automatic Retrieval

You get ideas right away by using keywords or memories, so you feel less stress.

Tip: Link your notebook with your calendar and email. This helps you work better and get more done every day.

Comparison Table

Features Overview

Picking a digital notebook is about what you need. Each app has special features to help you stay organized and get more done. Remio uses AI to gather info from many places and answer your questions. Notion and OneNote help you handle projects and work with others. GoodNotes and Apple Notes are good for drawing and creative tasks. Obsidian and Simplenote help you link ideas and keep things easy.

App Name

Key Features

Benefits

Remio

AI-powered search, multi-source integration

Personalized productivity

Notion

Custom pages, templates, collaboration

Flexible workspace

OneNote

Microsoft 365 integration, task management

Easy info capture

Evernote

Powerful search, note hierarchy

Fast note retrieval

GoodNotes

Infinite canvas, stylus support

Creative note-taking

Apple Notes

Folders, tags, media support

Seamless Apple integration

Google Keep

Color coding, voice notes

Quick note capture

Zoho Notebook

Multi-format notes, privacy focus

Secure organization

Obsidian

Linked notes, markdown, plugins

Deep knowledge management

Simplenote

Tagging, markdown, version history

Simple and fast notes

Tip: Pick features that fit how you work each day. This will help you stay neat and get more done.

Pricing & Platforms

Think about cost and what devices you use. Some apps are free, but others need payment for extra tools. Most apps work on many devices, but some are only for Apple.

App Name

Price

Platform Support

remio

Free, Pro $8/mo, Enterprise

Web, Windows, Mac

Notion

Free, Plus $8/mo

Web, Windows, Mac, iOS, Android

OneNote

Free, 365 $6.99/mo

Web, Windows, Mac, iOS, Android

Evernote

Free, Personal $10.83/mo

Web, Windows, Mac, iOS, Android

GoodNotes

Free, Full $7.99 one-time

iPad, iOS, Mac

Apple Notes

Free

iOS, Mac

Google Keep

無料

Web, iOS, Android

Zoho Notebook

無料、プレミアム $4/月

Web, Windows, Mac, iOS, Android

Obsidian

無料、$25一括払い、$50/年

Windows, Mac, Linux, iOS, Android

Simplenote

無料

Web, Windows, Mac, iOS, Android

注: 無料版はシンプルな用途に適しています。有料版では、より多くのツールを使ってさらに多くのことを行えます。

最適な用途

仕事や働き方に合った最適なアプリを選びましょう。学生は勉強ノートやマインドマップ用のアプリが必要です。社会人は会議ノートやチームツールを求めます。クリエイティブな人は描画やアイデアのリンク機能を探します。

  • 学生: GoodNotes、Apple Notes、Whimsical、Tanna

  • 社会人: Remio、Notion、OneNote、Fireflies AI

  • クリエイター: Obsidian、Napkin、GoodNotes、Genei

働き方に合ったアプリを選びましょう。適切なアプリは、生産性を大幅に向上させます。

デジタルノートブックには多くの選択肢があります。remio stands out 強力なAI機能が特徴です。NotionとOneNoteはプロジェクト管理に役立ちます。GoodNotesとApple Notesはクリエイティブな作業に適しています。ObsidianとSimplenoteはシンプルさを保ちます。最適なアプリを見つけるためのヒントを試してみてください:

  • トライアル版を試す 気に入った機能を確認しましょう。

  • チュートリアルを利用して各アプリの使い方を学びましょう。

  • 同期と検索機能がニーズに合っているか確認しましょう。

スタイルと目標に合ったアプリを選びましょう。

FAQ

デジタルノートブックとは何ですか?

A デジタルノートブックはアプリ で、デバイス上でノートを書いたり保存したり整理したりできます。学校、仕事、個人的なアイデアに利用可能です。多くのアプリでノートを素早く検索・並べ替えできます。

デジタルノートブックは整理にどのように役立ちますか?

フォルダー、タグ、色を使ってノートを分類できます。多くのアプリでキーワード検索が可能です。これにより必要なものを簡単に見つけることができます。重要なタスクのリマインダーを設定することもできます。

異なるデバイスでデジタルノートブックを使えますか?

ほとんどのデジタルノートブックは、スマートフォン、タブレット、コンピューターで動作します。ノートをデバイス間で同期できます。つまり、あるデバイスでノートを始め、別のデバイスで完了できます。

デジタルノートブックは情報の安全性は確保されていますか?

多くのアプリで暗号化を使用してノートを保護しています。パスワードを設定したり、指紋ロックを使用したりできます。アプリのプライバシー設定を確認して、情報を安全に保ちましょう。

学生に最適なデジタルノートブックはどれですか?

学生はしばしばGoodNotesやApple Notesを、描画や勉強ノートの整理に選びます。remio is great AIを活用した高速な情報検索を求める場合に最適です。さまざまなアプリを試して、自分に合うものを見つけてください。

 
 

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