# HiMemo2 vs Kosshi Outliner

The clearest difference is in-app purchases: HiMemo2 at none against Kosshi Outliner's 1. Kosshi Outliner's advantage is update cadence (every 3 days vs monthly) and iOS requirement (17.0 vs 26.0). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Kosshi Outliner sells 1 one-off in-app purchase. HiMemo2 asks for nothing beyond the download.

HiMemo2 ships an update monthly, Kosshi Outliner every 3 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HiMemo2 | Kosshi Outliner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kosshi-outliner/id6759483880/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 5 MB | 30 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Kawai](https://appshunter.io/developer/1286509355) | [Junichi Sato](https://appshunter.io/developer/1617496266) |

## What reviewers say

### HiMemo2

[App page](https://appshunter.io/ios/app/himemo2/id1614965391)

Organize information with a simple, hierarchical structure. Easily add, edit, and view data in a tree format, and export it to other apps. Syncs across Apple devices and is accessible on Apple Watch.

**Highlights:** Hierarchical data entry and management, Cross-device sync (iPhone, iPad, Mac), Apple Watch browsing, Enhanced search functionality, Simple and intuitive UI, Plain text and HTML export

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Kosshi Outliner

[App page](https://appshunter.io/ios/app/kosshi-outliner/id6759483880)

This native outliner app allows you to organize thoughts with a hierarchical structure, zoom into specific sections, and format text using Markdown. It supports images, sketches, internal links, and reminders, with seamless iCloud sync across Apple devices.

**Highlights:** Hierarchical outlining with indentation, Zoom into specific rows, Markdown formatting, Image and file embedding, Apple Pencil sketches, Internal linking, Reminders and calendar sync

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kosshi Outliner | $24.99 | one-time |


## Frequently asked questions

### Is HiMemo2 free?

HiMemo2 is free to download, with no in-app purchases.

### Is Kosshi Outliner free?

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

### Do HiMemo2 or Kosshi Outliner have ads?

Neither HiMemo2 nor Kosshi Outliner shows ads.

### Which is updated more often, HiMemo2 or Kosshi Outliner?

HiMemo2 ships an update monthly, and Kosshi Outliner every 3 days. Most recently, HiMemo2 was updated on October 15, 2026 and Kosshi Outliner on October 24, 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.*