Best Second Brain Note Apps & Games

201+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated June 2026

If you already know Second Brain Note, this is the deeper bench. 201+ second brain note apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Second Brain Note

Obsidian - Connected Notes#2

Obsidian - Connected Notes by Dynalist Inc.

Your second brain on the go
Strong Contender
📊 Productivity
4.5😊(2.4K ratings)
Free
#91in Productivity
Obsidian - Connected Notes screenshot 1
Obsidian - Connected Notes screenshot 2
Obsidian - Connected Notes screenshot 3
Obsidian - Connected Notes screenshot 4
Obsidian - Connected Notes screenshot 5
Obsidian - Connected Notes screenshot 6

Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.

What We Love

  • 🚀 Powerful features
  • 👍 Customizable and flexible
  • 🔒 Secure and private
  • 💡 Innovative note-taking approach

Room to Improve

  • 🐛 Sync issues and unreliable iCloud integration
  • 🔋 Slow startup and performance issues on mobile
  • 👎 Steep learning curve for new users
MindPal - Brain Training Games#3

MindPal - Brain Training Games by Elektron Labs Inc.

Fun Brain Games
Worth Considering
📚 Education
4.7😊(85K ratings)
FreeAdsIn-App Purchases
MindPal - Brain Training Games screenshot 1
MindPal - Brain Training Games screenshot 2
MindPal - Brain Training Games screenshot 3
MindPal - Brain Training Games screenshot 4
MindPal - Brain Training Games screenshot 5
MindPal - Brain Training Games screenshot 6

This app offers a daily brain training program with over 40 games designed to improve memory, attention, language, and problem-solving skills. It provides personalized workouts and tracks your progress with detailed insights and comparisons to other users.

What We Love

  • 👍 Daily brain workouts
  • 🚀 Challenging yet fun games
  • 📈 Tracks progress and performance
  • 🧠 Helps improve cognitive abilities

Room to Improve

  • 💰 Expensive premium version
  • 🔒 Limits free version access
  • 📢 Too many ads in free version

More Second Brain Note apps to explore

4
Building a Second Brain
Building a Second Brain
Building a Second Brain
by Forte Labs, LLC
Free

This app helps you manage information overload and achieve your goals through personal knowledge management. Connect with a community focused on productivity and digital organization for a more peaceful and purposeful life.

PARA Method Mini-CourseCommunity HubExclusive event invitations
🌐 Social Networking
(10)
free
5
Scribly: Easy Note Taking
Scribly: Easy Note Taking
Scribly: Easy Note Taking
Easy note taking for everyone
Free

Capture thoughts, tasks, and ideas effortlessly in a beautifully designed, clutter-free notebook. Organize notes with folders and labels, track your mood, and set reminders. Protect your private information with app lock.

Quick and simple note-takingOrganize with folders and labelsDaily journal and mood tracker
📊 Productivity
(1)
ad-supported
6
MAI: Second Brain Notes
MAI: Second Brain Notes
MAI: Second Brain Notes
Your AI brain dump & tasks app
Free
📊 Productivity
(0)
7
Elevate - Brain Training Games
Elevate - Brain Training Games
Elevate - Brain Training Games
Vocab, Memory, & Math Puzzles
Free

Enhance cognitive abilities like focus, memory, and math skills with a personalized daily training program. Improve productivity, earning power, and self-confidence through engaging brain games designed by experts.

40+ brain training gamesPerformance trackingPersonalized workouts
📚 Education
(535K)
freemium
8
MindMark AI - Second Brain
MindMark AI - Second Brain
MindMark AI - Second Brain
AI second brain and notes
Free

Capture, organize, and instantly find information from various sources. This AI-powered tool automatically summarizes content and uses smart search to retrieve anything you need. Collaborate with others through shared folders for seamless idea exchange.

Instant capture of links, text, and screenshotsAI-generated summaries and insightsSmart search by keyword, concept, or context
📊 Productivity
(1)
free
9
Brain Go 2: Test your brain
Brain Go 2: Test your brain
Brain Go 2: Test your brain
Tricky Puzzles
Free

Engage in a series of challenging and humorous brain teasers and riddles designed to test your problem-solving and critical thinking skills. This game offers a fun way to improve cognitive abilities, memory, and general knowledge while enjoying yourself with friends.

Intellectual humor puzzlesMind-blowing brain teasersFunny word and digit trivia
🎮 Games
(11K)
free with in-app purchases
10
TwinMind - AI Notes & Memory
TwinMind - AI Notes & Memory
TwinMind - AI Notes & Memory
Transcribe Meetings & Lectures
Free

This app acts as an AI-powered second brain, capturing and transcribing your conversations, meetings, and lectures. It automatically generates summaries, suggests tasks, and builds a searchable memory bank for personalized assistance and content generation, all while prioritizing user privacy.

AI-powered transcriptionAutomated summaries and action itemsSearchable memory bank
📊 Productivity
(841)
free
11
Mind Games - Brain Training
Mind Games - Brain Training
Mind Games - Brain Training
by Mindware Consulting, Inc
Free

Engage in a variety of brain-training games designed to exercise different mental skills. Track your progress with score histories and standardized scales. A training center helps select personalized exercise routines.

Brain training gamesMental skill practiceScore history tracking
📚 Education
(12K)
ad-supported
12
Impulse - Brain Training
Impulse - Brain Training
Impulse - Brain Training
Mental Health Games & Puzzles
Free

Enhance your cognitive abilities with personalized brain training games and puzzles. Discover your mental strengths and weaknesses through self-discovery tests, and track your progress over time to build a sharper mind.

Personalized daily training plansMemory & processing speed trainingAttention & focus exercises
💪 Health & Fitness
(837K)
free with in-app purchases
13
Pocket Brain – AI Second Brain
Pocket Brain – AI Second Brain
Pocket Brain – AI Second Brain
Second Brain in your Pocket
Free
📊 Productivity
(0)
14
Two Fingers, but only one brain (2 F 1 B) - Split Brain Teaser, Cranial Quiz Puzzle Challenge Game
Two Fingers, but only one brain (2 F 1 B) - Split Brain Teaser, Cranial Quiz Puzzle Challenge Game
Two Fingers, but only one brain (2 F 1 B) - Split Brain Teaser, Cranial Quiz Puzzle Challenge Game
by WL Online Marketing LLC
Free

Test your multitasking abilities by playing two simple games simultaneously. Navigate through over 20 mini-puzzles with countless combinations. See how long you can survive the challenge.

Dual-game multitasking20+ mini-puzzlesHundreds of combinations
🎮 Games
(294)
free with in-app purchases
15
BerryBox - Second Brain
BerryBox - Second Brain
BerryBox - Second Brain
by Seungrae Cho
Free

Organize your thoughts, ideas, and to-dos with this digital notes app. AI can summarize your notes, and you can recreate content based on saved information. Manage everything in one place to maximize productivity.

AI note summarizationToodle List organizationEisenhower matrix view
📊 Productivity
(1)
ad-supported
16
شعلة - درّب عقلك يومياً
شعلة - درّب عقلك يومياً
شعلة - درّب عقلك يومياً
العاب ذكاء علمية رائعة
Free

Enhance your cognitive abilities with a daily brain workout. This app offers over 40 scientific games designed to improve memory, focus, language, and reaction speed. Track your progress and compare your intelligence quotient with others.

Daily personalized brain workoutsOver 40 cognitive gamesImprove memory and focus
📚 Education
(24K)
freemium
17
Second Brain - AI Memory
Second Brain - AI Memory
Second Brain - AI Memory
Smart Journal & Voice Diary
Free
📊 Productivity
(1)
18
Brain Tricks: Brain Games
Brain Tricks: Brain Games
Brain Tricks: Brain Games
Fun Quiz To Train Your Brain
Free

Engage in a variety of logic puzzles, riddles, and memory challenges designed to enhance problem-solving skills and boost IQ. This app offers a mental workout for all ages with hundreds of unique and addictive brain teasers.

Logic puzzlesTricky riddlesMemory challenges
🎮 Games
(3.1K)
free with in-app purchases
19
Notion: Notes, Tasks, AI
Notion: Notes, Tasks, AI
Notion: Notes, Tasks, AI
Task & project management app
Free

This AI-powered workspace helps you write notes, manage tasks, organize projects, and collaborate with others. It offers features like AI meeting notes and interactive maps to streamline your workflow for personal, student, or professional use.

AI-powered note-taking and summarizationTask and project managementCollaborative workspace
📊 Productivity
(87K)
free with in-app purchases
20
The Almanac
The Almanac
The Almanac
Feel clever through play
Free

Engaging logic puzzles designed to challenge your mind, boost focus, and improve memory. Offers a distraction-free experience for quick, fun sessions that turn downtime into productive brain time.

Logic puzzlesBoost focusImprove memory
💪 Health & Fitness
(5.5K)
free with in-app purchases

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