# HTML Viewer Pro vs Isola Smart Life

The clearest difference is in-app purchases: Isola Smart Life at none against HTML Viewer Pro's 2. Isola Smart Life also leads on ads (none vs shown) and update cadence (every 3 days vs every 15 months). HTML Viewer Pro's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. HTML Viewer Pro sells 2 in-app purchases, starting at $1.99 per month. Isola Smart Life asks for nothing beyond the download.

HTML Viewer Pro ships an update every 15 months, Isola Smart Life every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HTML Viewer Pro | Isola Smart Life |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hayato Shimizu](https://appshunter.io/developer/1207195348) | [MTDM DMCC](https://appshunter.io/developer/1766270365) |

## 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 |


### Isola Smart Life

[App page](https://appshunter.io/ios/app/isola-smart-life/id6812185363)

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

**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 Isola Smart Life free?

Isola Smart Life is free to download, with no in-app purchases.

### Do HTML Viewer Pro or Isola Smart Life have ads?

HTML Viewer Pro shows ads; Isola Smart Life does not.

### Which is updated more often, HTML Viewer Pro or Isola Smart Life?

HTML Viewer Pro ships an update every 15 months, and Isola Smart Life every 3 days. Most recently, HTML Viewer Pro was updated on October 24, 2026 and Isola Smart Life on October 9, 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.*