# Viewport vs HTMLens

The clearest difference is in-app purchases: Viewport at none against HTMLens's 1. Viewport also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HTMLens sells 1 one-off in-app purchase. Viewport asks for nothing beyond the download.

## The numbers

| Metric | Viewport | HTMLens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 5 MB | 12 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [YU CHEN WANG](https://appshunter.io/developer/6813696685) | [Jaewook Oh](https://appshunter.io/developer/6815076388) |

## What reviewers say

### Viewport

[App page](https://appshunter.io/ios/app/viewport-html-reader/id6813696683)

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

**In-app purchases:** none


### HTMLens

[App page](https://appshunter.io/ios/app/htmlens-html-viewer-and-pdf/id6816348199)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Viewport free?

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

### Is HTMLens free?

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

### Do Viewport or HTMLens have ads?

HTMLens shows ads; Viewport 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.*