# MarkChart vs Flitz Shell

The clearest difference is in-app purchases: Flitz Shell at none against MarkChart's 1. Flitz Shell also leads on update cadence (daily vs every 3 weeks) and iOS requirement (16.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. MarkChart sells 1 one-off in-app purchase. Flitz Shell asks for nothing beyond the download.

MarkChart ships an update every 3 weeks, Flitz Shell daily. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | MarkChart | Flitz Shell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (14 ratings)](https://appshunter.io/ios/app/markchart-mermaid-editor/id6475648822/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 69 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Alexandre Colucci](https://appshunter.io/developer/1478787437) | [LeanCode](https://appshunter.io/developer/1273195092) |

## What reviewers say

### 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 |


### Flitz Shell

[App page](https://appshunter.io/ios/app/flitz-shell/id6789914175)

**In-app purchases:** none


## Frequently asked questions

### Is MarkChart free?

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

### Is Flitz Shell free?

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

### Do MarkChart or Flitz Shell have ads?

Neither MarkChart nor Flitz Shell shows ads.

### Which is updated more often, MarkChart or Flitz Shell?

MarkChart ships an update every 3 weeks, and Flitz Shell daily. Most recently, MarkChart was updated on November 12, 2026 and Flitz Shell on November 10, 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.*