# OpenAPI Viewer vs HTML Launch

The clearest difference is in-app purchases: HTML Launch at none against OpenAPI Viewer's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OpenAPI Viewer sells 3 one-off in-app purchases. HTML Launch asks for nothing beyond the download.

## The numbers

| Metric | OpenAPI Viewer | HTML Launch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 13 MB | 1 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Victor Manuel Puga Ruiz](https://appshunter.io/developer/1648773908) | [Elena Tserioti](https://appshunter.io/developer/1813805989) |

## What reviewers say

### OpenAPI Viewer

[App page](https://appshunter.io/ios/app/openapi-viewer/id6761346493)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### HTML Launch

[App page](https://appshunter.io/ios/app/html-launch/id6802012632)

**In-app purchases:** none


## Frequently asked questions

### Is OpenAPI Viewer free?

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

### Is HTML Launch free?

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

### Do OpenAPI Viewer or HTML Launch have ads?

Neither OpenAPI Viewer nor HTML Launch shows ads.

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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.*