Comparison

MermaidEditor vs Markdown Editor and Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MermaidEditor

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
Read full description

MermaidEditor is a diagram and chart editor, powered by mermaid-js. And MermaidEditor supports iPhone, iPad and Mac, with one app you can edit diagram everywhere on any device. MermaidEditor supports mermaid-js syntax highlighting and code completion, so it can help writing diagram and chart clearly, easily and quickly. You can also easily export charts as PNG images or SVG files from the editor, or share image to other people with system actions. √ All Platforms - Both Mobile and Desktop platforms supported, you can edit diagram documents on iPhone, iPad or Mac - Document browser based app, easily edit files on device and sync document between devices - Multiple windows ready, it makes the editor more powerful on iPadOS - Keyboard shortcuts ready on iPadOS with keyboard connected √ Powerful Editor - Syntax Highlighting for mermaid-js grammar - Auto Completion in editor helps typing keywords quickly - Code Snippets likes parallel block in sequence diagram makes life easier - Instant Parsing Error indicator for locating syntax error √ Instant Preview - Auto Generated Preview when typing in editor - Zoom and Pan to move preview for checking diagram's detail - With Scroll wheel it can be easily zoom diagram on macOS √ Integrated Extensions - Thumbnail support, every .mmd file will has its own thumbnail when saving file - QuickLook Preview extension helps you preview mermaid document in Files app on iPhone or iPad and Finder on macOS √ Sharing - Save diagram document as its source with .mmd extension - Export diagram to PNG image or SVG file with one click For mermaid-js grammar, please visit https://mermaid-js.github.io/mermaid/ for documentation.

About

Markdown Editor and Reader

Easily create, edit, and preview Markdown files on your mobile device. Import existing .md files and share them with others directly from the app.

Highlights
  • Create Markdown files
  • Edit existing .md files
  • Preview Markdown content
  • Import .md files
  • Share files
Features
Read full description

Create Markdown files or import exiting .md files and preview them directly in the App and share the files with other people.

Screenshots

MermaidEditor3 screens
Markdown Editor and Reader4 screens

Verdict

The call

The clearest difference is price: Markdown Editor and Reader at Free against MermaidEditor's $3.99. MermaidEditor's advantage is rating (2.3 vs 1.0) and chart position (#115 vs unranked). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

MermaidEditor holds the better App Store score, 2.3 against 1.0. That said, the two scores are not equally well evidenced: MermaidEditor has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 14% of MermaidEditor's written reviews are positive against 18% of Markdown Editor and Reader's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

MermaidEditor ships an update every 3 weeks, Markdown Editor and Reader fortnightly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 6 level
MermaidEditor versus Markdown Editor and Reader: the parameters behind the verdict, then further details
ParameterMermaidEditorMarkdown Editor and Reader
Price$3.99Free — better
Rating2.3 (10 ratings) — better1.0 (2 ratings)
Positive reviews13.8% of reviews18.2% of reviews — better
Number of ratings10 — better2
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#115 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.014.0
Further details — not scored
Size125 MB7 MB
Age rating4+4+
Developer基伟 徐Julian Lau

Customer experience

MermaidEditor

All ratings10 ratings
Positive30.0%
Neutral0.0%
Negative70.0%
Written reviews29 reviews
Positive13.8%
Neutral13.8%
Negative72.4%

Markdown Editor and Reader

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews11 reviews
Positive18.2%
Neutral9.1%
Negative72.7%

In-app purchases

None

MermaidEditor

No in-app purchases

None

Markdown Editor and Reader

No in-app purchases

Questions

Is MermaidEditor free?
MermaidEditor costs $3.99, with no in-app purchases.
Is Markdown Editor and Reader free?
Markdown Editor and Reader is free to download, with no in-app purchases.
Which has better reviews, MermaidEditor or Markdown Editor and Reader?
MermaidEditor is rated higher. MermaidEditor averages 2.3 out of 5 from 10 ratings, while Markdown Editor and Reader averages 1.0 from 2 ratings.
Do MermaidEditor or Markdown Editor and Reader have ads?
Neither MermaidEditor nor Markdown Editor and Reader shows ads.
Which is updated more often, MermaidEditor or Markdown Editor and Reader?
MermaidEditor ships an update every 3 weeks, and Markdown Editor and Reader fortnightly. Most recently, MermaidEditor was updated on September 21, 2026 and Markdown Editor and Reader on September 22, 2026.

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