# JettWatch vs HTML Viewer

The clearest difference is in-app purchases: JettWatch at none against HTML Viewer's 1. JettWatch also leads on iOS requirement (13.0 vs 17.6). HTML Viewer's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HTML Viewer sells 1 one-off in-app purchase. JettWatch asks for nothing beyond the download.

JettWatch ships an update every 3 weeks, HTML Viewer every 3 days. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JettWatch | HTML Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (40 ratings)](https://appshunter.io/ios/app/html-viewer-sitecase/id6762896369/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | — | 95.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 86 MB | 22 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WEEDS communications](https://appshunter.io/developer/432878722) | [Dennis Bortmes](https://appshunter.io/developer/1591683094) |

## What reviewers say

### JettWatch

[App page](https://appshunter.io/ios/app/jettwatch/id6464658490)

**Features:** macOS Compatibility

**In-app purchases:** none


### HTML Viewer

[App page](https://appshunter.io/ios/app/html-viewer-sitecase/id6762896369)

This app allows you to view HTML files directly on your iPhone and iPad, offline and without tracking. It supports full JavaScript and CSS rendering, making it ideal for developers, students, and educators.

**Highlights:** Offline HTML rendering, Full JavaScript and CSS support, Import via Files app or Share Sheet, Dark Mode support, Pinch-to-zoom functionality, View source code with syntax highlighting (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sitecase Pro | $5.99 | one-time |


## Frequently asked questions

### Is JettWatch free?

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

### Is HTML Viewer free?

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

### Do JettWatch or HTML Viewer have ads?

Neither JettWatch nor HTML Viewer shows ads.

### Which is updated more often, JettWatch or HTML Viewer?

JettWatch ships an update every 3 weeks, and HTML Viewer every 3 days. Most recently, JettWatch was updated on October 5, 2026 and HTML Viewer on October 25, 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.*