Comparison

Second Brain Note vs Brain

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Second Brain Note

Organize your thoughts and tasks with a structured knowledge workspace. Capture ideas, visualize connections, and plan your days effectively. Streamline information collection and turn it into actionable insights for work, school, or personal life.

Highlights
  • Hierarchical idea capture with Brain Tree
  • Visual thinking with Mind Map
  • Flexible page-based writing in Notebooks
  • Goal tracking with Milestones and tasks
  • Daily planning with Calendar time boxing
  • Cost tracking for expenses
  • Personal knowledge library creation
Features
Read full description

Second Brain is a personal knowledge and productivity workspace designed to help you think clearly, plan intentionally, and keep your work and life organized in one place. Capture ideas in a structured Brain Tree, sketch relationships visually in Mind Map, manage notebooks and pages, track milestones, plan your days with calendar time blocks, organize notes in folders, monitor costs, and build a searchable compendium of important knowledge. Whether you are managing school, work, side projects, or daily life, Second Brain gives you one streamlined system for collecting information and turning it into action. Features - Brain Tree for hierarchical idea capture and organization - Mind Map for visual thinking and connected planning - Notebooks for flexible page-based writing - Milestones and tasks for goal tracking - Calendar time boxing for daily planning - Folders and notes for structured reference storage - Cost tracking for one-time, subscription, and usage-based spending - Compendium for building a personal knowledge library - iCloud backup and sync support across your devices - Clean, immersive interface designed for focused use 4.99$ A Month Required Subscription with 1 week free trial https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Brain

Quickly capture and organize your project ideas with a structured approach. This app offers a clean interface for managing features, design, bugs, and notes, all stored locally for privacy and speed.

Highlights
  • Instant idea capture
  • Structured project categories (Features, Design, Bugs, Notes)
  • On-device data storage
  • Customizable themes and accent colors
  • Haptic feedback and animations
  • Multi-language support
Features
Read full description

Project Brain is the fastest way to capture and organize ideas for your projects. Whether you're building an app, designing a product, or simply collecting thoughts — Project Brain keeps everything structured and beautiful. HOW IT WORKS Create a project in seconds: name, emoji icon, status. Then start dropping ideas in instantly. Each project includes four categories: • Features — what you want to build • Design — how it should look • Bugs — what needs fixing • Notes — everything else Tap an idea to add a description. Mark it as done. Swipe left to delete. BUILT FOR CREATORS • Dark and light themes • 6 accent color presets • Animated neon background • Spring animations on every button • Haptic feedback • 7 languages — English, Russian, Ukrainian, Spanish, German, French, Portuguese • Onboarding tutorial for new users • Animated launch screen NO CLUTTER No accounts. No cloud. No subscriptions. No ads. Everything stays on your device — private and instant. Start organizing your next big project today.

Screenshots

Second Brain Note3 screens
Brain4 screens

Verdict

The call

The clearest difference is review sentiment: Second Brain Note at 100% against Brain's 0%. Second Brain Note also leads on chart position (#124 vs unranked). Brain's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 26.4). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Second Brain Note sells 1 in-app purchase, starting at $4.99 per month. Brain asks for nothing beyond the download.

Scorecard5 real differences · 6 level
Second Brain Note versus Brain: the parameters behind the verdict, then further details
ParameterSecond Brain NoteBrain
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
Best chart rank#124 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.415.1 — better
Further details — not scored
Size12 MB19 MB
Age rating12+4+
DeveloperChandler MostellerYuliia Aliekseienko

Customer experience

Second Brain Note

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Brain

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Second Brain Note

Subscriptions1
  • Pro +7 Days trial$4.991 Month
None

Brain

No in-app purchases

Questions

Is Second Brain Note free?
Second Brain Note is free to download, with in-app purchases available.
Is Brain free?
Brain is free to download, with no in-app purchases.
Do Second Brain Note or Brain have ads?
Neither Second Brain Note nor Brain shows ads.

Other comparisons