# OutlineProcessor vs Zavala

The clearest difference is review sentiment: Zavala at 88% against OutlineProcessor's 20%. Zavala also leads on rating (4.8 vs 3.5) and in-app purchases (none vs 1). OutlineProcessor's advantage is iOS requirement (17.6 vs 26.0). On price and ads there is nothing between them.

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

Zavala holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Zavala has 67 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 20% of OutlineProcessor's written reviews are positive against 88% of Zavala's.

OutlineProcessor ships an update every 59 months, Zavala every 2 weeks. The most recent releases landed on September 3, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OutlineProcessor | Zavala |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/outlineprocessor/id1043577975/reviews) | **[4.8 (67 ratings)](https://appshunter.io/ios/app/zavala/id1546457750/reviews)** |
| Number of ratings | 4 | **67** |
| Positive reviews | 20.0% of reviews | **87.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 18 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [hirokazu murabe](https://appshunter.io/developer/894364772) | [Vincode, Inc](https://appshunter.io/developer/1434335357) |

## 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 |


### Zavala

[App page](https://appshunter.io/ios/app/zavala/id1546457750)

This app offers a modern approach to outlining, providing a full suite of features. It supports gestures, keyboard shortcuts, and multiple windows for efficient organization and content creation. Easily import and export in various formats, sync across devices, and customize your outlining experience.

**Highlights:** OPML Import & Export, Markdown Export, iCloud Syncing & Sharing, Nested Tags, Image Embedding, Keyboard Shortcuts, Drag and Drop

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OutlineProcessor free?

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

### Is Zavala free?

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

### Which has better reviews, OutlineProcessor or Zavala?

Zavala is rated higher. OutlineProcessor averages 3.5 out of 5 from 4 ratings, while Zavala averages 4.8 from 67 ratings.

### Do OutlineProcessor or Zavala have ads?

Neither OutlineProcessor nor Zavala shows ads.

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

OutlineProcessor ships an update every 59 months, and Zavala every 2 weeks. Most recently, OutlineProcessor was updated on September 3, 2026 and Zavala on September 19, 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.*