# AI钥匙串 vs HTML & Markdown Viewer

The clearest difference is in-app purchases: HTML & Markdown Viewer at none against AI钥匙串's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI钥匙串 sells 1 one-off in-app purchase. HTML & Markdown Viewer asks for nothing beyond the download.

## The numbers

| Metric | AI钥匙串 | HTML & Markdown Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/html-and-markdown-viewer/id6782357972/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | — | Free |
| Size | 4 MB | 3 MB |
| Requires iOS | 18.0 | **17.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [欣悦 王](https://appshunter.io/developer/1880251143) | [洪霞 刘](https://appshunter.io/developer/1056045803) |

## What reviewers say

### AI钥匙串

[App page](https://appshunter.io/ios/app/ai/id6778318694)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Key Cards | $0.99 | one-time |


### HTML & Markdown Viewer

[App page](https://appshunter.io/ios/app/html-and-markdown-viewer/id6782357972)

This app renders AI-generated HTML, Markdown, and ZIP files locally. It supports JavaScript, CSS, diagrams, and tables, offering PDF and PNG export. All processing occurs on-device for enhanced privacy.

**Highlights:** Local HTML rendering, Markdown viewing with Mermaid and tables, ZIP file extraction and browsing, PDF and PNG export, Private on-device processing, Import from various apps

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

**In-app purchases:** none


## Frequently asked questions

### Is AI钥匙串 free?

AI钥匙串 is free to download, with in-app purchases available.

### Is HTML & Markdown Viewer free?

HTML & Markdown Viewer is free to download, with no in-app purchases.

### Do AI钥匙串 or HTML & Markdown Viewer have ads?

Neither AI钥匙串 nor HTML & Markdown Viewer shows ads.

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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.*