# Marklit vs Mobile Diagnostics Pro

The clearest difference is in-app purchases: Mobile Diagnostics Pro at none against Marklit's 2. Marklit's advantage is update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Marklit sells 2 in-app purchases, starting at $5.99 per year. Mobile Diagnostics Pro asks for nothing beyond the download.

Marklit ships an update daily, Mobile Diagnostics Pro fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Marklit | Mobile Diagnostics Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marklit-markdown-preview/id6760291417/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 4 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [明明 常](https://appshunter.io/developer/1536002037) | [ItsWorthMore.com LLC](https://appshunter.io/developer/1596159554) |

## What reviewers say

### Marklit

[App page](https://appshunter.io/ios/app/marklit-markdown-preview/id6760291417)

Instantly preview Markdown files with rich formatting, including LaTeX math and Mermaid diagrams. Supports over 100 programming languages and works offline. Seamlessly open files from any app with a share extension.

**Highlights:** Markdown preview, LaTeX math rendering, Mermaid diagram support, Syntax highlighting, Offline functionality, Share extension

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $5.99 | per year |
| Lifetime Subscription | $9.99 | one-time |


### Mobile Diagnostics Pro

[App page](https://appshunter.io/ios/app/mobile-diagnostics-pro/id6762376020)

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

**In-app purchases:** none


## Frequently asked questions

### Is Marklit free?

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

### Is Mobile Diagnostics Pro free?

Mobile Diagnostics Pro is free to download, with no in-app purchases.

### Do Marklit or Mobile Diagnostics Pro have ads?

Neither Marklit nor Mobile Diagnostics Pro shows ads.

### Which is updated more often, Marklit or Mobile Diagnostics Pro?

Marklit ships an update daily, and Mobile Diagnostics Pro fortnightly. Most recently, Marklit was updated on October 31, 2026 and Mobile Diagnostics Pro on October 31, 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.*