# Outerline vs Markflow

The clearest difference is price: Markflow at Free against Outerline's $9.99. Markflow also leads on in-app purchases (none vs 4). Outerline's advantage is update cadence (every 5 days vs fortnightly) and chart position (#154 vs unranked). On rating, ratings volume, ads and device support there is nothing between them.

Markflow is free to download; Outerline costs $9.99 up front. Outerline sells 4 in-app purchases, starting at $1.99 per month. Markflow asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Outerline against 5.0 for Markflow. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Outerline ships an update every 5 days, Markflow fortnightly. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Outerline | Markflow |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/outerline/id6759767830/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/markflow-markdown-reader/id6763440990/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Paid | **Free** |
| Best chart rank | **#154** | — |
| Size | 36 MB | 7 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, Mac | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Adam Goehrig-Bawany](https://appshunter.io/developer/1880546252) | [Santiago Alonso Alexandre](https://appshunter.io/developer/1880565729) |

## What reviewers say

### Outerline

[App page](https://appshunter.io/ios/app/outerline/id6759767830)

**Currently charting:** #154 Top Paid · Productivity (US App Store)

A fast, offline Markdown editor for macOS and iOS that keeps your files private and accessible. It offers live syntax highlighting, smart formatting tools, and robust search capabilities to streamline your writing process.

**Highlights:** Offline Markdown editing, Live syntax highlighting, Keyboard formatting toolbar, Full-text search, Wiki links and autocomplete, Export to Markdown, HTML, PDF, Automatic backups and version history

**Features:** iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Outerline Publish | $1.99 | per month |
| Small Tip | $1.99 | one-time |
| Outerline Tip Medium | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### Markflow

[App page](https://appshunter.io/ios/app/markflow-markdown-reader/id6763440990)

This app allows you to open and read markdown files from various sources like Files, Mail, and Safari. It supports GitHub-flavored markdown, code syntax highlighting, and diagrams, with an integrated editor and a clean preview mode.

**Highlights:** Open .md, .markdown, .mdown files, GitHub-flavored markdown rendering, Syntax-highlighted code blocks, Mermaid diagram support, Markdown editing toolbar, Pinch to zoom, Export edited files

**In-app purchases:** none


## Frequently asked questions

### Is Outerline free?

Outerline costs $9.99, and also offers in-app purchases.

### Is Markflow free?

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

### Which has better reviews, Outerline or Markflow?

Outerline and Markflow are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Outerline or Markflow have ads?

Neither Outerline nor Markflow shows ads.

### Which is updated more often, Outerline or Markflow?

Outerline ships an update every 5 days, and Markflow fortnightly. Most recently, Outerline was updated on November 13, 2026 and Markflow on October 31, 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.*