10 Best Second Brain AI apps
Everyone’s talking about information overload these days, right?
We’re all buried under notes, tasks, articles—anything you can think of. It’s no wonder people are turning to the idea of a “second brain” to stay on top of it all. But what if I told you there’s a way to make that second brain even smarter?
Here’s the secret 👇
AI can supercharge your second brain and make managing your knowledge feel like a breeze.
Here’s what it is and the top 10 Second Brain AI apps
I. What’s a Second Brain? 🤔
Imagine having a personal assistant that keeps track of all your notes, ideas, and to-dos—so you don’t have to. That’s your second brain.
But here’s the kicker: When you throw AI into the mix, this assistant isn’t just organizing stuff. It’s learning from you, adapting, and helping you think faster and better.
For example, you’re a writer working on your next novel. Instead of scrambling to find those plot twists you wrote down last week, your AI second brain pulls everything together for you. It’s like having your own idea machine, ready to connect the dots you didn’t even realize were there.
II. Why Second Brain AI is a Game Changer 🚀
Personalized Power-Up
AI brings you the right notes at the right time, helping you connect the dots without having to dig through piles of old documents.
Imagine prepping for a meeting and having AI surface key points from previous notes, relevant articles, and even suggest questions based on your past inquiries
Create More, Stress Less
AI provides summaries, reports, and content in no time. You’re no longer stuck reading through pages of material—it does that for you, so you can focus on the bigger picture.
Got a project on Ancient Egypt? The AI pulls out the key facts about pyramids and pharaohs, giving you a head start on the real work, like creating an epic presentation.
Boost Your Workflow
AI doesn’t just organize, it helps you make decisions. It pulls insights from past projects, suggests best practices, and keeps everything running smoothly.
If you’re a project manager drowning in deadlines, imagine having an AI that breaks tasks into manageable chunks, prioritizes them, and slots them into your calendar automatically.
III. Top 10 Second Brain AI Apps
Saner.AI enables you to easily note, recall, create insights, and get things done with a simple design note & to-do list app, using best-in-class AI Assistants.
Pros
- Improves efficiency with intuitive organization and fast access to insights
- Reduces context switching and distractions
- Automatically suggests tags for easy categorization
- Integrates note-taking, task management, and AI assistance in one platform
- Designed with ADHD users in mind, focusing on reducing overwhelm
Cons
- Requires internet access for full functionality
Pricing
- Free
- Starter: Monthly at $7.89/month, Annually at $5.89/month
- Standard: Monthly at $15.89/month, Annually at $10.89/month
Who is it suitable for?
Saner.AI is particularly well-suited for:
- Busy Professionals who need to manage large amounts of information efficiently, such as entrepreneurs, researchers, managers, and content creators
- Individuals with ADHD or those who struggle with information organization and time management
- Anyone looking to streamline their workflow without spending too much time learning a new tool.
How to start using it?
- Visit the Saner.AI website and sign up for an account
- Explore the app’s features, starting with basic note-taking and task creation.
- Try out the integrated internet search functionality to streamline your workflow.
Notion AI stands out as a versatile tool that not only helps in note-taking but also in managing projects and tasks.
Pros
- Versatile all-in-one workspace
- Extensive template library
- Strong collaboration features
Cons
- It can be overwhelming for new users
- AI features require additional payment
Pricing
- Free plan available, Premium plan starts at $8/month, Notion AI is $8/month additional
Suitable for:
All-in-one users, teams, and project managers
How to start:
Sign up for Notion, choose a template, or start from scratch, and begin organizing your information using its flexible database and page structure.
3. Evernote
Pros
- Comprehensive annotation features
- Supports various media types
- AI search
- Web clipper for easy content-saving
Cons
- It can be overwhelming for new users
- The free plan is limited
- Not AI-native
Pricing
- Free plan available
- Paid plans from $14.99/month
Suitable for:
General users looking for a well-established note-taking app with AI enhancements
How to start:
Download Evernote, create an account, and start with a new note. Organize notes into notebooks and explore the AI search feature.
4. Mem
Pros
- AI Search
- Collaborative features
Cons
- The learning curve for advanced features
- Premium version required for full experience
Pricing
- $14.99/month for individual plan
Suitable for:
Organized note-takers, knowledge workers, and teams
How to start:
Create an account on Mem.ai, explore the AI-powered note-taking features, and organize your thoughts and ideas.
5. Obsidian
Pros
- Local storage of notes
- Highly customizable
- Strong community support
Cons
- Steep learning curve
- Limited built-in AI features
- Access AI via Plugin
Price
- Free for personal use, Premium plan starts at $50/year
Suitable for:
Advanced users, developers, and privacy-conscious individuals
How to start:
Download Obsidian, create a vault for your notes, and start exploring its powerful linking and customization options.
6. Tana
Pros
- Combines networked thinking with structured databases
- Flexible data organization
- AI features
Cons
- Still in early access
- Can be complex for beginners
Price
- Monthly at $18/month, Annually at $14/month
Suitable for:
Knowledge workers, researchers, and those who enjoy structured data
How to start:
Join the waitlist on Tana’s website, and once granted access, explore its unique approach to organizing information.
7. Roam Research
Pros
- Powerful bidirectional linking
- Graph view for visualizing connections
Cons
- Steep learning curve
- Not many updates recently
Price
- Premium plan starts at $15/month
Suitable for:
Deep thinkers, researchers, and academics who want to spend time linking their notes
How to start:
Sign up for Roam Research, start with daily notes, and gradually build your network of interlinked ideas.
8. Reflect Notes
Pros
- Emphasis on backlinks
- Clean, minimalist interface
- AI writing assistance
Cons
- Limited customization options
- Relatively new platform
Price
- Premium plan starts at $10/month
Suitable for:
Note-takers who value simplicity and interconnected ideas
How to start:
Create an account on Reflect, start taking notes, and explore how the backlink feature helps connect your ideas.
9. Logseq
Pros
- Open-source & free
- Local first
- Support both text & graph views
Cons
- Steep learning curve
- Limited built-in AI features
Price
- Free
Suitable for:
Privacy-conscious users, developers, and those who enjoy customization
How to start:
Download Logseq, create a new graph and begin organizing your thoughts using its outliner interface and daily notes feature.
10. Amplenote
Pros
- Combines note-taking with task management
- AI writing assistance
- Flexible organization options
Cons
- Can be complex for simple note-taking
- Limited free plan
Price
- Free plan available, Pro plan starts at $5/month
Suitable for:
Productivity enthusiasts, task-oriented individuals, and writers
How to start:
Sign up for Amplenote, create your first note, and explore how to integrate task management with your note-taking process.
IV. Choosing the Right AI Second Brain 💡
Now that you’re sold on the idea of an AI second brain, how do you pick the right one for you?
Start by thinking about your specific needs, your workflow, and—of course—your budget. There’s no one-size-fits-all. Maybe you’re someone who needs help organizing daily tasks, or perhaps you’re looking for a way to synthesize research and generate insights. Either way, there’s an app out there tailored to your style.
Most of these second brain AI apps offer free trials or free plans, so you can test the waters before diving in.
Start with the basics—note-taking, task management, and simple AI suggestions.
Once you’ve got the hang of it, you can gradually explore more advanced features like automated content generation or calendar integration.