# Second Brain vs 더닝

The clearest difference is ads: Second Brain at none against 더닝's shown. 더닝's advantage is update cadence (every 5 days vs monthly) and iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Second Brain ships an update monthly, 더닝 every 5 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Second Brain | 더닝 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 25 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dcode](https://appshunter.io/developer/1868391710) | [JIHO PARK](https://appshunter.io/developer/6801068146) |

## What reviewers say

### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-ai-note/id6799343264)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 더닝

[App page](https://appshunter.io/ios/app/id6801068144)

This app simplifies note-taking by allowing users to jot down thoughts and attach files. It automatically extracts titles, tasks, and deadlines, and provides timely reminders. Notes can be synced to your calendar and are stored locally for privacy.

**Highlights:** Effortless note-taking with AI organization, Automatic title, task, and deadline extraction, Intelligent reminders for deadlines and inactive notes, Calendar integration for deadlines, Local storage with optional cloud sync, Customizable reminder settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Second Brain free?

Second Brain is free to download, with no in-app purchases.

### Is 더닝 free?

더닝 is free to download, with no in-app purchases.

### Do Second Brain or 더닝 have ads?

더닝 shows ads; Second Brain does not.

### Which is updated more often, Second Brain or 더닝?

Second Brain ships an update monthly, and 더닝 every 5 days. Most recently, Second Brain was updated on October 31, 2026 and 더닝 on November 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*