# OutlineProcessor vs HiMemo2

The clearest difference is review sentiment: HiMemo2 at 100% against OutlineProcessor's 20%. HiMemo2 also leads on in-app purchases (none vs 1) and update cadence (monthly vs every 59 months). On price, ads and iOS requirement there is nothing between them.

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

OutlineProcessor ships an update every 59 months, HiMemo2 monthly. The most recent releases landed on September 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | OutlineProcessor | HiMemo2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/outlineprocessor/id1043577975/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 59 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [hirokazu murabe](https://appshunter.io/developer/894364772) | [Hiroyuki Kawai](https://appshunter.io/developer/1286509355) |

## What reviewers say

### OutlineProcessor

[App page](https://appshunter.io/ios/app/outlineprocessor/id1043577975)

This app helps you organize thoughts and ideas with a simple yet powerful outliner. Create nested lists, manage multiple projects, and use intuitive controls to structure essays, novels, or tasks. Its clean interface minimizes distractions for focused thinking.

**Highlights:** Infinite hierarchy for nested lists, Intuitive controls for reordering items, Multiple document management, Focus-oriented minimalist interface, Idea capture and development

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Advertisement | $2.99 | one-time |


### 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 OutlineProcessor free?

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

### Is HiMemo2 free?

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

### Do OutlineProcessor or HiMemo2 have ads?

Neither OutlineProcessor nor HiMemo2 shows ads.

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

OutlineProcessor ships an update every 59 months, and HiMemo2 monthly. Most recently, OutlineProcessor was updated on September 3, 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.*