# Calculator VAT vs HTML Viewer

The clearest difference is price: HTML Viewer at Free against Calculator VAT's $0.99. HTML Viewer also leads on update cadence (every 2 days vs every 3 months). Calculator VAT's advantage is in-app purchases (none vs 1). On review sentiment, ads, device support and iOS requirement there is nothing between them.

HTML Viewer is free to download; Calculator VAT costs $0.99 up front. HTML Viewer sells 1 one-off in-app purchase. Calculator VAT asks for nothing beyond the download.

Calculator VAT ships an update every 3 months, HTML Viewer every 2 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Calculator VAT | HTML Viewer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (63 ratings)](https://appshunter.io/ios/app/html-viewer-sitecase/id6762896369/reviews)** |
| Number of ratings | — | **63** |
| Positive reviews | **100.0% of reviews** | 93.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 22 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ulrich Pade](https://appshunter.io/developer/1458091929) | [Dennis Bortmes](https://appshunter.io/developer/1591683094) |

## What reviewers say

### Calculator VAT

[App page](https://appshunter.io/ios/app/calculator-vat/id1458091930)

Quickly calculate VAT, net price, tax, or price inclusive of tax. Supports any two input values to find the remaining two. Also handles general percentage and tip calculations with commercial rounding.

**Highlights:** Calculate VAT, net price, and tax, Handles price inclusive of tax, General percentage and tip calculator, Commercial rounding of results, Save VAT value for multiple calculations

**Features:** Vision Pro support

**In-app purchases:** none


### HTML Viewer

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

View local HTML, CSS, and JavaScript files on your iPhone or iPad. Import files via the Files app or Share sheet for offline viewing. Supports full rendering, dark mode, and pinch-to-zoom.

**Highlights:** Full HTML, CSS, JavaScript rendering, Open entire folders/projects, Import via Files app/Share sheet, Dark Mode support, Adjustable zoom level, Turn network access on/off, Turn JavaScript on/off

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

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


## Frequently asked questions

### Is Calculator VAT free?

Calculator VAT costs $0.99, with no in-app purchases.

### Is HTML Viewer free?

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

### Do Calculator VAT or HTML Viewer have ads?

Neither Calculator VAT nor HTML Viewer shows ads.

### Which is updated more often, Calculator VAT or HTML Viewer?

Calculator VAT ships an update every 3 months, and HTML Viewer every 2 days. Most recently, Calculator VAT was updated on November 7, 2026 and HTML Viewer on November 6, 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.*