# Sources vs HTML Viewer Pro

The clearest difference is ads: Sources at none against HTML Viewer Pro's shown. Sources also leads on update cadence (every 3 months vs every 15 months) and iOS requirement (9.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Sources sells 1 one-off in-app purchase and HTML Viewer Pro sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Sources ships an update every 3 months, HTML Viewer Pro every 15 months. The most recent releases landed on September 16, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Sources | HTML Viewer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (45 ratings)](https://appshunter.io/ios/app/html-viewer-pro/id1521187909/reviews)** |
| Number of ratings | — | **45** |
| Positive reviews | — | 47.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 15 months |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 33 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chaoyang Minimal Software Studio](https://appshunter.io/developer/1065436362) | [Hayato Shimizu](https://appshunter.io/developer/1207195348) |

## What reviewers say

### Sources

[App page](https://appshunter.io/ios/app/sources-simple-code-viewer-for-github/id1125732186)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| buy me a coffee | $2.99 | one-time |


### HTML Viewer Pro

[App page](https://appshunter.io/ios/app/html-viewer-pro/id1521187909)

View HTML source code from URLs or directly from Safari. This app offers multi-tab browsing, bookmarking, and search functionality. Customize the display with various themes, fonts, and user agents.

**Highlights:** View source code from URLs, View source code from Safari share, Multi-tab browsing, Bookmark and history management, Keyword search in source code, Switch between static and dynamic HTML, Customizable themes and fonts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly plan) | $1.99 | per month |
| Premium (Buying out) | $19.99 | one-time |


## Frequently asked questions

### Is Sources free?

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

### Is HTML Viewer Pro free?

HTML Viewer Pro is free to download, with in-app purchases available.

### Do Sources or HTML Viewer Pro have ads?

HTML Viewer Pro shows ads; Sources does not.

### Which is updated more often, Sources or HTML Viewer Pro?

Sources ships an update every 3 months, and HTML Viewer Pro every 15 months. Most recently, Sources was updated on September 16, 2026 and HTML Viewer Pro on September 5, 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.*