# zOutline vs ArchFlowy

The clearest difference is in-app purchases: zOutline at none against ArchFlowy's 1. zOutline also leads on iOS requirement (15.6 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ArchFlowy sells 1 in-app purchase, starting at $1.99 per month. zOutline asks for nothing beyond the download.

zOutline ships an update every 3 weeks, ArchFlowy every 2 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | zOutline | ArchFlowy |
| --- | --- | --- |
| 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 | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Zack Smith](https://appshunter.io/developer/388860537) | [Timmy Nguyen](https://appshunter.io/developer/1725059991) |

## 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


### ArchFlowy

[App page](https://appshunter.io/ios/app/archflowy/id6757314902)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |


## Frequently asked questions

### Is zOutline free?

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

### Is ArchFlowy free?

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

### Do zOutline or ArchFlowy have ads?

Neither zOutline nor ArchFlowy shows ads.

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

zOutline ships an update every 3 weeks, and ArchFlowy every 2 weeks. Most recently, zOutline was updated on October 1, 2026 and ArchFlowy on September 29, 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.*