Second Brain - AI Memory

Second Brain - AI Memory

Smart notes, journal & recall

1 ratings
1 review
Free
In-App Purchases

Details

  • Released
  • Updated
  • March 16, 2026
  • July 14, 2026

Features

Second Brain - AI Memory screenshot #1 for iPhone
Second Brain - AI Memory screenshot #2 for iPhone
Second Brain - AI Memory screenshot #3 for iPhone
Second Brain - AI Memory screenshot #4 for iPhone
Second Brain - AI Memory screenshot #5 for iPhone
Second Brain - AI Memory screenshot #6 for iPhone
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About

This AI-powered journal captures your thoughts via voice or text, automatically organizing and connecting them. It helps you recall memories, discover patterns, and reflect on your growth.

AI classification, tagging, and summarization
Semantic search by meaning
Three-layer memory system
People cards for relationship tracking
Weekly AI reflections
Voice input with transcription
Data export (JSON + Markdown)
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What's New in Second Brain

1.5.4

July 14, 2026

A stronger checklist, smarter briefings. NEW: Checklist • Repeating to-dos — daily or weekly tasks come back automatically after you complete them • Mark important to-dos as priority to keep them on top IMPROVED: Daily notifications • Morning Briefing now mixes recent and older memories instead of batching months-old ones together • About to lose your capture streak? The Evening Prompt warns you before it breaks • Fixed "today/yesterday" phrasing on resurfaced memories IMPROVED: More • The memory graph connects your first memories sooner in a young library • Monthly reflection share cards now include stats (memories, themes, growth areas)

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Subscription plans

Second Brain Pro

Unlimited captures, explorations, reflections & more

$4.991 Month
3 Days trial
How to cancel Second Brain subscription ⁉️

User reviews

Fantastic

This is exactly what i needed. i love using this app, BUT the icloud sync across iphone and macbook does not seem to work. As I use it i feel that I’ll think of some improvements since id be using it every day, but this is a game changer for me

Response from developer

Thank you so much for the kind words — it means a lot to hear the app is a game changer for you! You're right about the iCloud sync issue; we've already identified the problem and expect to have it fixed in the next update. If you run into anything else or think of those improvements, please don't hesitate to email us at info@smartkiitos.com. We'd love to hear them!

Developer apps

FAQ

What is Second Brain?

Second Brain is an AI-powered journal that helps you capture, organize, and recall your thoughts and memories. It uses AI to classify, connect, and summarize your entries, making them easily searchable by meaning.

Does Second Brain have ads?

Second Brain is ad-free. The core features are available for free with daily limits, and an optional Pro subscription unlocks advanced features without any advertisements.

How does Second Brain organize memories?

Second Brain organizes memories into three layers: instant thoughts, short-term plans, and long-term knowledge. The AI then automatically classifies, tags, and summarizes each memory, creating a knowledge graph of connections.

Can I use Second Brain offline?

Yes, core features of Second Brain work offline. This means you can capture and access your memories even without an internet connection, ensuring your data is always available.

What are the subscription options for Second Brain?

Second Brain offers a Pro subscription with daily limits on explorations and reflections. Pro users get unlimited captures, people cards, OCR, iCloud sync, data export, and access to the memory connection graph and theme discovery clusters.

How often is Second Brain updated?

The latest version of Second Brain is 1.5.1, last updated on July 7, 2026. Updates typically include new features, performance improvements, and bug fixes to enhance user experience.

Is my data safe with Second Brain?

Second Brain prioritizes privacy with data stored locally on your device. AI processing uses the Anthropic Claude API, and your data is not shared with any third parties. Optional iCloud sync uses your personal Apple account.

What devices does Second Brain support?

Second Brain is currently supported on iPhones. iCloud sync allows for seamless data access across your Apple devices if you choose to enable it.