# MermaidEditor vs Pro Markdown Editor and Reader

The clearest difference is update cadence: Pro Markdown Editor and Reader at every 3 days against MermaidEditor's every 3 weeks. MermaidEditor's advantage is review sentiment (14% vs 0%) and chart position (#115 vs unranked). On price, ads, in-app purchases and monetization model there is nothing between them.

MermaidEditor costs $3.99 and Pro Markdown Editor and Reader $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MermaidEditor ships an update every 3 weeks, Pro Markdown Editor and Reader every 3 days. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | MermaidEditor | Pro Markdown Editor and Reader |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | **[2.3 (10 ratings)](https://appshunter.io/ios/app/mermaideditor/id1581312955/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **13.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#115** | — |
| Size | 125 MB | 6 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [基伟 徐](https://appshunter.io/developer/391905315) | [Julian Lau](https://appshunter.io/developer/1603050262) |

## What reviewers say

### MermaidEditor

[App page](https://appshunter.io/ios/app/mermaideditor/id1581312955)

**Currently charting:** #115 Top Paid · Developer Tools (US App Store)

Create and edit diagrams and charts using mermaid-js syntax with real-time preview. Export your creations as PNG or SVG files and share them across all your Apple devices.

**Highlights:** Mermaid-js syntax highlighting, Code completion, Instant preview, Export to PNG/SVG, Cross-device editing, QuickLook preview extension

**Features:** Vision Pro support

**In-app purchases:** none


### Pro Markdown Editor and Reader

[App page](https://appshunter.io/ios/app/pro-markdown-editor-and-reader/id1619825911)

Create, edit, and preview Markdown files directly on your device. Import existing files, save your work locally, and easily share your documents with others. This version offers an ad-free experience for uninterrupted productivity.

**Highlights:** Create Markdown files, Edit Markdown files, Preview Markdown files, Import existing .md files, Save files locally, Share files

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MermaidEditor free?

MermaidEditor costs $3.99, with no in-app purchases.

### Is Pro Markdown Editor and Reader free?

Pro Markdown Editor and Reader costs $3.99, with no in-app purchases.

### Do MermaidEditor or Pro Markdown Editor and Reader have ads?

Neither MermaidEditor nor Pro Markdown Editor and Reader shows ads.

### Which is updated more often, MermaidEditor or Pro Markdown Editor and Reader?

MermaidEditor ships an update every 3 weeks, and Pro Markdown Editor and Reader every 3 days. Most recently, MermaidEditor was updated on September 21, 2026 and Pro Markdown Editor and Reader on September 20, 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.*