# MermaidEditor vs MarkChart

The clearest difference is review sentiment: MarkChart at 72% against MermaidEditor's 14%. MarkChart also leads on price (Free vs $3.99) and rating (4.2 vs 2.3). MermaidEditor's advantage is in-app purchases (none vs 1) and chart position (#115 vs unranked). On ratings volume, update cadence, ads and device support there is nothing between them.

MarkChart is free to download; MermaidEditor costs $3.99 up front. MarkChart sells 1 one-off in-app purchase. MermaidEditor asks for nothing beyond the download.

MarkChart holds the better App Store score, 4.2 against 2.3. Both are backed by a comparable volume of ratings — 10 and 13 respectively. Written reviews point the same way: 14% of MermaidEditor's written reviews are positive against 72% of MarkChart's.

MermaidEditor ships an update every 3 weeks, MarkChart fortnightly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | MermaidEditor | MarkChart |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [2.3 (10 ratings)](https://appshunter.io/ios/app/mermaideditor/id1581312955/reviews) | **[4.2 (13 ratings)](https://appshunter.io/ios/app/markchart-mermaid-editor/id6475648822/reviews)** |
| Number of ratings | 10 | **13** |
| Positive reviews | 13.8% of reviews | **72.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#115** | — |
| Size | 125 MB | 46 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [基伟 徐](https://appshunter.io/developer/391905315) | [Alexandre Colucci](https://appshunter.io/developer/1478787437) |

## 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


### MarkChart

[App page](https://appshunter.io/ios/app/markchart-mermaid-editor/id6475648822)

This app allows you to easily create and preview diagrams using a Markdown-inspired text syntax. It offers templates for various diagram types and supports automatic updates when used with external editors. Export your creations to common image formats.

**Highlights:** Mermaid diagram editing, Real-time preview, Built-in templates, Automatic updates, Export to PDF, PNG, SVG, Syntax highlighting, Dark Mode support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MarkChart Pro | $12.99 | one-time |


## Frequently asked questions

### Is MermaidEditor free?

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

### Is MarkChart free?

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

### Which has better reviews, MermaidEditor or MarkChart?

MarkChart is rated higher. MermaidEditor averages 2.3 out of 5 from 10 ratings, while MarkChart averages 4.2 from 13 ratings.

### Do MermaidEditor or MarkChart have ads?

Neither MermaidEditor nor MarkChart shows ads.

### Which is updated more often, MermaidEditor or MarkChart?

MermaidEditor ships an update every 3 weeks, and MarkChart fortnightly. Most recently, MermaidEditor was updated on September 21, 2026 and MarkChart on September 23, 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.*