# NotesPeak vs Second Brain

The clearest difference is update cadence: NotesPeak at every 3 weeks against Second Brain's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NotesPeak sells 1 one-off in-app purchase and Second Brain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

NotesPeak ships an update every 3 weeks, Second Brain every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NotesPeak | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 245 MB | 25 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladyslav Moroz](https://appshunter.io/developer/1799584944) | [Selahattin Bozat](https://appshunter.io/developer/1895293163) |

## What reviewers say

### NotesPeak

[App page](https://appshunter.io/ios/app/notespeak-offline-ai-notes/id6755604605)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteSpeak — Lifetime | $9.99 | one-time |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-notes-and-knowledge/id6775839727)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is NotesPeak free?

NotesPeak is free to download, with in-app purchases available.

### Is Second Brain free?

Second Brain is free to download, with in-app purchases available.

### Do NotesPeak or Second Brain have ads?

Neither NotesPeak nor Second Brain shows ads.

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

NotesPeak ships an update every 3 weeks, and Second Brain every 3 months. Most recently, NotesPeak was updated on October 30, 2026 and Second Brain on October 31, 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.*