# Second Brain: Notes&Knowledge — Personal Knowledge Manager

> Personal Knowledge Manager (iPhone/iPad app by Selahattin Bozat.)

- Source: https://appshunter.io/ios/app/second-brain-notes-and-knowledge/id6775839727 (this page in markdown: same URL + `.md`)
- Developer: [Selahattin Bozat](https://appshunter.io/developer/1895293163)
- Category: Productivity, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 25 MB
- Languages: American English
- Released: 2026-06-12
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/second-brain-notes-and-knowledge/id6775839727/reviews.md

## What is Second Brain?

Second Brain is your offline-first personal knowledge management app. Capture every idea, note, and insight — and never lose a thought again.

No ads. No tracking. No account required. Your data stays on your device.

FEATURES:
• Rich Notes — Write with Markdown support, add images, link notes together
• Collections — Organize notes into collections with icons and colors
• Tags — Tag anything for instant filtering
• Daily Notes — One note per day, automatically created
• Goals — Track personal goals with milestones and progress
• Book Notes — Capture key takeaways from books you read
• Quotes — Save your favorite quotes
• Knowledge Graph — See how your ideas connect visually
• Bi-directional Links — Link notes and see backlinks automatically
• Full-Text Search — Find anything instantly
• Favorites & Archive — Star important notes, archive the rest
• Quick Capture — Capture thoughts from the home screen widget
• Face ID / Touch ID — Lock your app for privacy
• iCloud Backup — Optional, off by default
• Export — PDF, CSV, Markdown
• 15 Languages — English, Turkish, Spanish, German, French, Italian, Portuguese, Dutch, Polish, Arabic, Japanese, Korean, Chinese, Russian

PRIVACY FIRST:
Second Brain collects zero data. No analytics, no tracking SDKs, no servers. Everything lives on your device.

PREMIUM (one-time purchase):
Unlock unlimited notes, collections, Knowledge Graph, exports, Face ID, and home screen widgets with a single lifetime purchase.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Second Brain Premium | $9.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-06-12

No release notes.

## More apps by Selahattin Bozat

- [Screenless - Monk Mode](https://appshunter.io/ios/app/screenless-monk-mode/id6769977812)
- [TinyCal - Calorie Tracker](https://appshunter.io/ios/app/tinycal-calorie-tracker/id6771082457)
- [MoneyTiny](https://appshunter.io/ios/app/moneytiny/id6772678640)
- [Readly — Book Tracker](https://appshunter.io/ios/app/readly-book-tracker/id6775195235)
- [TravelPins: World Map](https://appshunter.io/ios/app/travelpins-world-map/id6775230759)

All apps by Selahattin Bozat: https://appshunter.io/developer/1895293163

## Related topics

[second brain note](https://appshunter.io/ios/topics/second-brain-note)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*