# zOutline vs HiMemo2

The clearest difference is review sentiment: HiMemo2 at 100% against zOutline's 50%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

zOutline ships an update every 3 weeks, HiMemo2 monthly. The most recent releases landed on June 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | zOutline | HiMemo2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zoutline/id1179222435/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Zack Smith](https://appshunter.io/developer/388860537) | [Hiroyuki Kawai](https://appshunter.io/developer/1286509355) |

## What reviewers say

### zOutline

[App page](https://appshunter.io/ios/app/zoutline/id1179222435)

This is a simple outline editor that allows for easy creation and management of hierarchical lists. It supports multiple outlines in tabs, text formatting, and various export options like HTML, RTF, and plain text. The app remembers your progress and allows sharing via email attachments.

**Highlights:** Simple tap and gesture controls, Multiple outlines in tabs, Text formatting (bold, italic, underline), Export to HTML, RTF, and text, Email attachment sharing, Persistent editing state

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is zOutline free?

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

### Is HiMemo2 free?

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

### Do zOutline or HiMemo2 have ads?

Neither zOutline nor HiMemo2 shows ads.

### Which is updated more often, zOutline or HiMemo2?

zOutline ships an update every 3 weeks, and HiMemo2 monthly. Most recently, zOutline was updated on June 11, 2026 and HiMemo2 on September 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.*