# HTML Viewer Pro vs Sensors to Webhook

The clearest difference is price: HTML Viewer Pro at Free against Sensors to Webhook's $1.99. HTML Viewer Pro also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.5). Sensors to Webhook's advantage is in-app purchases (none vs 2) and ads (none vs shown).

HTML Viewer Pro is free to download; Sensors to Webhook costs $1.99 up front. HTML Viewer Pro sells 2 in-app purchases, starting at $1.99 per month. Sensors to Webhook asks for nothing beyond the download.

## The numbers

| Metric | HTML Viewer Pro | Sensors to Webhook |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.9 (45 ratings)](https://appshunter.io/ios/app/html-viewer-pro/id1521187909/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 49.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 1 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Hayato Shimizu](https://appshunter.io/developer/1207195348) | [samwho.dev ltd.](https://appshunter.io/developer/1825215691) |

## What reviewers say

### 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 |


### Sensors to Webhook

[App page](https://appshunter.io/ios/app/sensors-to-webhook/id6748325450)

**In-app purchases:** none


## Frequently asked questions

### Is HTML Viewer Pro free?

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

### Is Sensors to Webhook free?

Sensors to Webhook costs $1.99, with no in-app purchases.

### Do HTML Viewer Pro or Sensors to Webhook have ads?

HTML Viewer Pro shows ads; Sensors to Webhook does not.

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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.*