The Top 15 Best Second Brain Apps to try in 2025 (Free and Paid)

Do you have no idea how to keep track of your notes, ideas, and tasks and find it challenging? 

But don't worry! In the ever-changing world of productivity apps, there's a new wave of software aimed to help you manage the chaos and improve your cognitive abilities. 

These are known as the Second Brain apps and are very helpful in organizing, connecting, and extending your digital mind. 

Whether you're a student, professional, or creative thinker, the year 2025 has a wealth of free and paid second-brain apps to help you become more efficient and creative. 

In this post, we will reveal the top 15 best second-brain apps to consider in 2024. So let's get started:

Best Second Brain Apps At a Glance 

• Elephas: Personal AI Writing Assistant for Mac that simplifies your writing process.
• Milanote: Visual workspace for creative thinkers.

• Obsidian: Unique note-taking tool using markdown files for organization.
• Mem AI: Uses AI to optimize note-taking and establish connections between notes.
• Roam Research: Sophisticated app for interconnected thinking with backlinks and visual graphs.
• Reflect Notes: Uses backlinks and AI to improve recall for second-brain notes.

• Logseq: Free tool for organizing notes, ideas, and thoughts.
• Notion: Advanced note-taking and collaboration tool for building a second brain system.
• Taskade AI: Cutting-edge organizational tool with AI-powered features for individuals and teams.

• Workflowy: Straightforward task management for capturing ideas and organizing notes.
• Bear App: Easy-to-use Markdown note-taking tool for collecting, writing, and organizing information.
• Evernote: Robust platform for organizing thoughts, photos, contacts, and reminders.
• Microsoft OneNote: Feature-rich digital note-taking application with excellent organization.
• Google Keep: User-friendly note-taking app with labels and search for the personal knowledge base.
• Apple Notes: Built-in note-taking app on Apple devices for quick notes and to-do lists.

What is a Second Brain System?

Image Credit: Fortelabs 

The Second Brain concept, pioneered by Tiago Forte, focuses on organizing and structuring your digital note-taking system to manage information effectively. It alleviates the burden of trying to remember everything and minimizes the risk of forgetting important details. 

This concept aims to provide a reliable repository for notes, ideas, and snippets, fostering personal growth and life development. 

A dedicated Second Brain system, like the one developed by Forte, becomes a crucial tool for success and mental clarity. 

Forte himself has used this system for over a decade to enhance his daily productivity and memory retention.

Benefits of Using Second Brain Apps

Second-brain apps, like note-taking and knowledge management tools, offer several benefits for users seeking to enhance their productivity, organization, and creativity.

1- Efficient Information Organization

Second brain apps allow users to store and organize vast amounts of information, including notes, ideas, articles, and images, in a structured and easily accessible manner. With features such as tags, folders, and search capabilities, users can quickly locate and retrieve specific information, enhancing efficiency and saving valuable time.

2- Enhanced Creativity and Idea Generator

Second brain apps promote creative thinking by giving a concentrated area to capture and develop ideas. Users can brainstorm, mind map, and scribble down ideas on a variety of themes. 

Having a dedicated forum to foster creativity frequently leads to more unique ideas and problem-solving solutions.

3- Improved Productivity and Task Management

Task management tools are common in second-brain apps, allowing users to construct to-do lists, make reminders, and set priorities. 

Integrating task management with data storage guarantees that key tasks are not forgotten and that users remain focused and productive.

4- Better Knowledge Retention and Learning 

These apps facilitate active learning and knowledge retention by allowing users to take structured notes, highlight key points, and create summaries. 

The process of organizing and summarizing information helps reinforce learning and improves long-term retention of knowledge, making it an excellent tool for students and lifelong learners.

5- Collaboration and Knowledge Sharing

Second-brain apps often support collaboration features, enabling users to share notes, documents, and ideas with others. 

Whether for team projects, research collaborations, or educational purposes, these apps facilitate seamless sharing and collaboration, fostering a sense of community and collective knowledge-building.

Our Selection Criteria to Pick the Best Second Brain Apps in 2024

Creating a Second Brain can help you organize your stuff and increase your productivity. To set up a powerful second brain, you can use some of the best second brain apps on the internet. These powerful tools can help you capture information, connect ideas, and build a knowledge base that works for you.

But with so many options available, choosing the best second-brain app can be a challenge. To help you make an informed decision, we considered several key factors during our selection process.

• Functionality: Does the app offer features that cater to your specific needs? Whether you prioritize note-taking, task management, or visual brainstorming, there's a perfect app out there.
• Ease of Use: A good second-brain app should be intuitive and user-friendly. Learning a complex interface can hinder your productivity.
• Organization: How effectively does the app help you structure your knowledge? Look for features like backlinks, tagging, and visual maps to keep your ideas connected.
• AI Integration: While not essential, some apps offer AI-powered features like smart reply and chat functionalities that can further enhance your workflow.

• Platform and Pricing: Consider whether you need a desktop app, a mobile app, or both. Pricing plans also vary greatly, so factor in your budget.

By carefully evaluating these criteria, we created a list of the top 10 best second-brain apps in 2024. This diverse selection caters to different learning styles, project types, and budgets. With a little research, you're sure to find the perfect app to transform your information into a powerful second brain.

1- Elephas App

Do you get bored of spending hours drafting emails, creating content, and digging through stacks of documents? Consider a second brain in which your writing activities are simplified, improved, and altered. Elephas.app is a Personal AI Writing Assistant for Mac that will revolutionize your writing process.

Elephas Key Features

• ​Elephas' Super Chat enables engaging conversations with expert "brains" for insightful answers to your questions.

• Create topic-specific brains and share their URLs for collaborative learning.

• ​Elephas Super Brain is the best AI powered second brain you can build right now.
  
• It simplifies Tiago Forte's C.O.D.E. framework. So that the capture and organizing of information is done by AI. And you can chat with it to distil and express. More in this article -
  ​How to create your own AI powered second brain​

• Utilize the "Smart Reply" feature to respond to emails and social media posts with info

• rmed and insightful responses from selected brains.

• The best part is that it integrates with your favourite note-taking apps like Obsidian, Notion, Roam Research etc.
  
• If you have a Mac, Elephas app is the best second-brain/AI assistant you can get. As it is a perfect ChatGPT Mac app.​

Elephas Pricing 

​Elephas app is also one of the best ChatGPT apps of this year.​

You can try it out for free, for 30 days,  from the Elephas home page here -

- Elephas Home Page

Elephas Reviews 

2- Milanote

Milanote is an excellent tool tailored for individuals who thrive on visual learning and thinking. 

It offers an ideal solution for those who prefer storing visual notes and ideas over plain text.

Milanote Key Features

• Milanote offers a versatile and visual workspace, allowing users to create customizable and enjoyable boards.

• Jumpstart your projects using templates, enabling a swift start in building your second brain app.​

• Collaborate seamlessly with team members by sharing and working together on notes, projects, and ideas.

• Integrate effortlessly with popular platforms like Dropbox and Google.
  

• But it lacks AI or ChatGPT integration features.
  

Milanote Pricing 

Milanote Reviews 

Some users have reported that it lacks practical and useful features for their day-to-day lifestyle, while others have reported that the tool slows down for certain tasks.

3- Obsidian

Obsidian is a promising newcomer who could become your next go-to note-taking tool. In contrast to well-known competitors, this new Second Brain AI takes a unique approach by organizing your notes in markdown files. 

Obsidian Key Features

• Establish links and connections between notes, whether related to people, ideas, books, or places.

• Visualize and map the intricate relationships existing within your notes.

• Enjoy limitless space for research, idea organization, diagramming, and brainstorming.

Obsidian Pricing 

How to use AI to chat with your Obsidian vault

Obsidian Reviews 

Several users have expressed concerns about the tool's complexity and similarity to Word. Additionally, a few users have pointed out the tool's higher pricing in comparison to other similar tools.

4- Mem AI

Mem utilizes artificial intelligence to optimize your note-taking experience. It leverages data like dates, keywords, and other relevant elements to establish connections between notes, resulting in a seamlessly organized system.

Mem AI Key Features

• Create custom note templates in Mem for organized note-taking.

• Establish a dedicated workspace within Mem to centralize and manage all your notes.

• Employ tags for efficient note retrieval and expansion on specific topics.

• Facilitate seamless note-sharing and collaboration. 

Mem AI Pricing

Mem AI Reviews 

Users have reported that the tool has too many bugs. Additionally, some have noted that the tagged items do not always appear. Others have reported that the collaboration feature in the tool does not work.

5- Roam Research

Roam Research is a sophisticated note-taking application designed to foster interconnected thinking. It seamlessly integrates the simplicity of a document with the robust capabilities of a graph database, enabling efficient organization of research and ideas.

Roam Key Features

• Facilitates the creation of bi-directional links between notes. 

• Fostering a network of interconnected information.

• Transforms connections into visual knowledge graphs. 

Roam Pricing

Roam Reviews 

Users have reported that the tool is difficult to maintain as a personal knowledge management (PKM) system in Roam. Additionally, some have reported that the tool is not very practical for daily use.

6- Reflect Notes

Reflect Notes is a popular personal knowledge management (PKM) tool that is ideal for taking second-brain notes. 

It, like Obsidian, allows users to interlink notes using backlinks. 

Reflect Notes Key Features

• Seamlessly connect and organize your notes with backlinks and AI for improved recall.

• Capture web snippets and Kindle excerpts instantly for better retention.

• Build a comprehensive network of information, contacts, and event details.

• Effortlessly retrieve older notes through quick keyword searches.

Reflect Notes Pricing

Offering one Plan of $10/month (If billed annually). 

Reflect Notes Reviews 

Users have mentioned that they were unable to drag and drop or use any hierarchy system in the tool. Some have also raised concerns about the tool not being able to access hidden content and not having the ability to add a visualization check for content displayed when hovering over an element.

7- Logseq

Logseq is an excellent tool for organizing notes, ideas, and thoughts, transforming it into a useful archive for future reference. Logseq quickly becomes a favorite second-brain software among note-taking enthusiasts.

Logseq Key Features

• You can connect notes with ease and extend your knowledge network.

• Logseq supports Markdown for flexible text editing, including headings, lists, and more.

• Customize Logseq to match your preferences with various themes and plugins.

• Visualize relationships and insights within your notes by using the graph view.

Logseq Pricing

It’s a Free tool! 

Logseq Reviews 

Users have reported that it is difficult to use copy-paste modes on Android, and it is also impossible to not create an entry for the current day by default. Some have also reported that the tool is a bit laggy and that the free tier plan is missing the canvas feature.

8- Notion

​Notion is an advanced note taking and collaboration tool. 

You can use it to build your second brain system. It is accessible on both iOS and Android platforms, offering convenient access to notes, tasks, and a knowledge base. 

It's versatile mobile workspace also caters to your team's requirements while they are on the go.

Notion Key features

• Robust spreadsheet and database capabilities with advanced sorting and filtering options.

• Kanban board for visual task and project organization.

• Integrated calendar providing a holistic overview of your schedule and task management.

Notion Pricing

- How to use AI to chat with your Notion Second Brain

Notion Reviews 

Users have reported that when the tool is used, sometimes the paragraphs of text disappear or the AI may copy the same paragraph 3 to 4 times. This results in a lot of time being spent on editing these errors. Additionally, some users have reported that the customer service of the tool is not up to par.

9- Taskade AI

Taskade stands as a cutting-edge organizational tool, functioning as a second brain for both individuals and teams. This highly adaptable platform incorporates five advanced AI-powered. 

Taskade ensures effortless coordination of all your tasks within a unified workspace. 

Taskade AI Key Features

• Collaborate with integrated video chat, screen sharing, and live syncing.

• Taskade transforms ideas into interactive workflows with its dynamic mind map functionality.

• Create unlimited relationships and layers of structure within your content.

Taskade AI Pricing

• Personal & Family

• Teams & Business

Taskade AI Reviews 

Users have reported that the tool engages in unethical price gouging. They also mentioned that the tool fails to provide a reasonable amount of AI credit for the money paid. Some users have noted that the AI credits are more expensive compared to other tools.

10- Workflowy

Workflowy excels in straightforward task management, capturing ideas on the go, and organizing meeting notes efficiently. Additionally, the app provides a user-friendly guide for constructing a second brain through its intuitive interface.

Workflowy Key Features

• Workflowy offers a wide array of features comparable to Notion, enabling versatile second-brain creation.

• Once you grasp the various templates and systems. 

• Workflowy empowers you to tailor your experience to your liking.

Workflowy Pricing

Workflowy Reviews 

Users mentioned that they prefer a better option for formatting, such as larger headings or other styling options, to differentiate their notes. Some others reported that the tool has high prices compared to other tools.

11- Bear App

Bear app stands out as an easy-to-use Markdown-based note-taking tool built for effortlessly collecting, writing, and organizing all elements of your life. Bear, unlike previous programs, does not rely on traditional folders or notebooks for organization.

Bear App Key Features

• Create and manage notes with text, images, tables, and to-do lists. 

• Access powerful tools for note-taking, weekly planning, project writing, and wiki creation.

• Ensure the confidentiality of your notes by storing them exclusively in your iCloud account.

Bear App Pricing 

Bear App Reviews

Some users have reported that the customer service of the tool is not great and that it lacks the ability to collaboratively take notes. Additionally, the sync between mobile and desktop feels a bit steep.

12- Evernote

Evernote is a top choice for second-brain AI, offering a robust platform for organizing thoughts, photographs, contacts, and reminders. 

This powerful note-taking tool consolidates your life's work into a single digital center.

Evernote Key Features

• Seamless integration with Evernote through Zapier's pre-designed templates.

• A user-friendly Classic Evernote interface for a familiar experience.

• Robust asynchronous collaboration tools for effective teamwork.

• Comprehensive task management capabilities.

Evernote Pricing

Evernote Reviews 

Users have expressed that the free version of the tool could offer improved features, as it is not suitable for beginners. Additionally, some have reported issues with the tool's billing system.

13- Microsoft OneNote

Microsoft OneNote stands out as a remarkable digital note-taking application, with extensive functionality and outstanding organizational skills. It is a good choice for developing a second brain.

Microsoft OneNote Key Features

•  Create individual notebooks, sections, and pages to organize and store notes.

• Extensive formatting options, including tags, symbols, and flexible note and image placement.

• Seamless integration with Microsoft tools like Word, Excel, and Outlook.

Microsoft OneNote Pricing

Microsoft OneNote Reviews 

Users have reported that it is not possible to create more than three categories and subcategories in the tool. They suggest that introducing subsections in the tool would improve its functionality. Additionally, they believe that the input language should be changeable. Some users have also reported that the tool is not user-friendly and is disorganized.

14- Google Keep

It is a user-friendly note-taking application available on Windows and Android devices by default and as a Chrome extension. Google Keep can also be downloaded on Apple devices with a Google account.

Google Keep Key Features

• Keep allows users to create and apply custom labels for note organization.

• Users can incorporate notes into their personal knowledge base.

• Advanced search capabilities facilitate efficient note retrieval.

• Seamless integration with Google tools such as Docs and Drive for referencing external documents and files.

Google Keep Pricing

Google Keep Reviews 

Some users believe that the tool is too simplistic and not suitable for daily quick notes. If someone wants to use it as a second brain, they feel that it lacks sufficient features. Some users suggest adding more customization options, such as color and background choices.

15- Apple Notes

Apple Notes, often known as Notes or iCloud Notes, is a note-taking tool that comes pre-installed on all Apple devices such as the iPhone, iPad, and Mac. Its simple and user-friendly layout is ideal for taking quick notes and organizing to-do lists.

Apple Notes Key Features

• Create customizable folders and subfolders for note organization.

• Apple Notes accommodates multimedia content, including images, drawings, audio, and videos for versatile information storage.

Apple Notes Pricing 

Apple Notes Reviews 

Users have experienced problems with the locking system of the tool. Additionally, some users have reported that a significant amount of their time using the tool is spent deleting unnecessary commas and other punctuation that are automatically added.

How Can You Choose the Best Second Brain App According to Your Needs?

We have discussed many Best Second Brain Apps because having a system for organizing your thoughts, ideas, and projects is more important than ever. Enter the concept of a "Second Brain" app: a digital tool that acts as an extension of your mind. But with so many options available, how do you choose the Best Second Brain App for you?

There are many Second Brain app available, each with its own strengths. The best Second Brain app for you depends on your specific needs and preferences. Here are some factors to consider when making your choice:

• Your Needs: Do you want a visual workspace like Milanote, or prefer the flexibility of markdown editors offered by Obsidian and Bear? Consider how you'll use the app to brainstorm, take notes, and connect ideas.
• Features: Do you need an app with AI-powered features like Elephas' Super Chat, which lets you chat with "expert brains" for answers to your questions? Or are you looking for a more basic note-taking app like Apple Notes?
• Organization: How do you prefer to organize your information? Some apps use folders and notebooks, while others rely on backlinks and tags. Elephas goes a step further by simplifying Tiago Forte's C.O.D.E. framework, letting AI handle capture and organization while you brainstorm and refine.
  
• Accessibility: Do you need an app that works across all your devices? Many Second Brain apps offer web, desktop, and mobile versions. Elephas is currently available for Mac, and iOS but keep an eye out for future updates!
  
• Price: Second Brain apps range in price from free to premium. Elephas offers a free trial, along with monthly and yearly plans, so you can try it before you buy it.
  

With its unique blend of AI features, intuitive organization, and affordability, Elephas is a strong contender for the Best Second Brain App title. 

 No matter which app you choose, a Second Brain app can be a powerful tool to boost your productivity and creativity. 

Tips to Create an Efficient Second Brain

Second Brain is a digital system to capture ideas, notes, and tasks, freeing up your mind for what matters most. Here are some tips to help you create an efficient Second Brain:

1. Catch Those Ideas: Don't lose those brilliant thoughts! Keep a notebook or app handy to jot down anything interesting, from book quotes to project ideas.

2. Pick Your Powerhouse: Choose a note-taking app that works for you like Elephas. There are many options, so explore and find one that's easy to use and organize.

3. File It Right: Create a simple filing system. Separate notes by project, or topic, or use a method like PARA (Projects, Areas, Resources, Archives). This makes finding things a breeze.

4. Review Regularly: Don't let your digital brain become a junkyard! Schedule time each week to review your notes. Summarize key points, organize them further, and delete anything no longer needed.

5. Take Action: Your Second Brain shouldn't just store information. Use it to fuel your projects and goals. Turn those notes into actionable steps and watch your productivity soar!

Building a Second Brain takes time, but the rewards are huge. With a little effort, you'll have a powerful system to remember everything, boost your creativity, and get more done. 

Final Thoughts

Navigating the digital world necessitates the use of effective tools to organize our thoughts, ideas, and projects. 

The varied choice of second brain apps accessible in 2024 caters to a variety of purposes, with free and paid solutions available. 

Among these, the Elephas app stands out as our favourite, perfectly combining a user-friendly UI with strong capabilities. 

Whether you're a creative professional, student, or entrepreneur, these applications can help you boost your productivity and creativity while also changing how you manage information in today's fast-paced environment.

Related -

• Top "chat with PDF" apps​
• ​How to Build a Second Brain With AI: A Comprehensive Guide​