# Metanote vs Second Brain Joiner

The clearest difference is price: Metanote at Free against Second Brain Joiner's $3.99. Metanote also leads on update cadence (every 2 weeks vs every 3 weeks) and iOS requirement (14.0 vs 18.2). Second Brain Joiner's advantage is in-app purchases (none vs 3) and review sentiment (100% vs 73%). On ads and device support there is nothing between them.

Metanote is free to download; Second Brain Joiner costs $3.99 up front. Metanote sells 3 in-app purchases, starting at $1.99 per month. Second Brain Joiner asks for nothing beyond the download.

Metanote ships an update every 2 weeks, Second Brain Joiner every 3 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Metanote | Second Brain Joiner |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/metanote-notesdocsagenda/id6452550221/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 72.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Freemium** | Paid |
| Size | 16 MB | 11 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [雪双 陈](https://appshunter.io/developer/1698224749) | [Hirofumi Inoue](https://appshunter.io/developer/1886583968) |

## What reviewers say

### Metanote

[App page](https://appshunter.io/ios/app/metanote-notesdocsagenda/id6452550221)

A privacy-focused offline editor that supports Org mode for writing, task management, and knowledge wikis. It offers real-time editing of rich content and seamless synchronization across devices.

**Highlights:** Privacy-first offline editor, Full Org mode support, Real-time rich content editing, Seamless synchronization, Integrated task management, Full-text search

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metanote Premium | $1.99 | per month |
| Metanote Premium | $12.99 | per year |
| One-time purchase | $19.99 | one-time |


### Second Brain Joiner

[App page](https://appshunter.io/ios/app/second-brain-joiner/id6760870675)

This tool optimizes AI input by merging and formatting Markdown notes. It intelligently filters content, calculates optimal chunk sizes for AI context windows, and maintains original file structure for enhanced AI accuracy and security.

**Highlights:** Advanced filtering by tags and dates, High-precision token calculation, Smart chunking for AI context limits, Local-first absolute security, Folder structure maintenance, Timestamping for context

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

**In-app purchases:** none


## Frequently asked questions

### Is Metanote free?

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

### Is Second Brain Joiner free?

Second Brain Joiner costs $3.99, with no in-app purchases.

### Do Metanote or Second Brain Joiner have ads?

Neither Metanote nor Second Brain Joiner shows ads.

### Which is updated more often, Metanote or Second Brain Joiner?

Metanote ships an update every 2 weeks, and Second Brain Joiner every 3 weeks. Most recently, Metanote was updated on October 24, 2026 and Second Brain Joiner 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.*