# MermaidEditor vs Markdown Mermaid

The clearest difference is price: Markdown Mermaid at Free against MermaidEditor's $3.99. MermaidEditor's advantage is update cadence (every 3 weeks vs every 3 months) and chart position (#114 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Markdown Mermaid is free to download; MermaidEditor costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MermaidEditor ships an update every 3 weeks, Markdown Mermaid every 3 months. The most recent releases landed on October 22, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MermaidEditor | Markdown Mermaid |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[2.3 (10 ratings)](https://appshunter.io/ios/app/mermaideditor/id1581312955/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Paid | — |
| Best chart rank | **#114** | — |
| Size | 125 MB | 44 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [基伟 徐](https://appshunter.io/developer/391905315) | [Mark Duenas](https://appshunter.io/developer/1083533055) |

## What reviewers say

### MermaidEditor

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

**Currently charting:** #114 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


### Markdown Mermaid

[App page](https://appshunter.io/ios/app/markdown-mermaid/id6757712908)

**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 Markdown Mermaid free?

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

### Do MermaidEditor or Markdown Mermaid have ads?

Neither MermaidEditor nor Markdown Mermaid shows ads.

### Which is updated more often, MermaidEditor or Markdown Mermaid?

MermaidEditor ships an update every 3 weeks, and Markdown Mermaid every 3 months. Most recently, MermaidEditor was updated on October 22, 2026 and Markdown Mermaid on October 17, 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.*