# Caverno vs HTML Viewer (013653)

The clearest difference is iOS requirement: HTML Viewer (013653) at 18.0 against Caverno's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Caverno | HTML Viewer (013653) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 33 MB | 3 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Osamu Noguchi](https://appshunter.io/developer/457240927) | [Naoya Yamashita](https://appshunter.io/developer/6782549096) |

## What reviewers say

### Caverno

[App page](https://appshunter.io/ios/app/caverno/id6760192392)

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

**In-app purchases:** none


### HTML Viewer (013653)

[App page](https://appshunter.io/ios/app/html-viewer-013653/id6782549094)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Caverno free?

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

### Is HTML Viewer (013653) free?

HTML Viewer (013653) is free to download, with no in-app purchases.

### Do Caverno or HTML Viewer (013653) have ads?

Neither Caverno nor HTML Viewer (013653) shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*