# HTML Viewer vs あしあと電卓

The clearest difference is in-app purchases: あしあと電卓 at none against HTML Viewer's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HTML Viewer sells 1 one-off in-app purchase. あしあと電卓 asks for nothing beyond the download.

HTML Viewer ships an update every 3 days, あしあと電卓 every 4 days. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | HTML Viewer | あしあと電卓 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/html-viewer-sitecase/id6762896369/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Freemium | — |
| Size | 21 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dennis Bortmes](https://appshunter.io/developer/1591683094) | [kasouzou](https://appshunter.io/developer/1895361389) |

## What reviewers say

### 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 |


### あしあと電卓

[App page](https://appshunter.io/ios/app/id6785785306)

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

**In-app purchases:** none


## Frequently asked questions

### Is HTML Viewer free?

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

### Is あしあと電卓 free?

あしあと電卓 is free to download, with no in-app purchases.

### Do HTML Viewer or あしあと電卓 have ads?

Neither HTML Viewer nor あしあと電卓 shows ads.

### Which is updated more often, HTML Viewer or あしあと電卓?

HTML Viewer ships an update every 3 days, and あしあと電卓 every 4 days. Most recently, HTML Viewer was updated on October 22, 2026 and あしあと電卓 on October 14, 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.*