# HTML Viewer Editor Convert PDF vs Kiu

The clearest difference is update cadence: Kiu at every 3 weeks against HTML Viewer Editor Convert PDF's every 9 months. HTML Viewer Editor Convert PDF's advantage is iOS requirement (13.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HTML Viewer Editor Convert PDF sells 2 in-app purchases, starting at $4.99 per 7 days and Kiu sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

HTML Viewer Editor Convert PDF ships an update every 9 months, Kiu every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HTML Viewer Editor Convert PDF | Kiu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/html-viewer-editor-convert-pdf/id6755111609/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 81 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NEURASYNC](https://appshunter.io/developer/1639101560) | [Matias Jarquez Ahucha](https://appshunter.io/developer/1885239466) |

## What reviewers say

### HTML Viewer Editor Convert PDF

[App page](https://appshunter.io/ios/app/html-viewer-editor-convert-pdf/id6755111609)

This app allows users to instantly open, view, and edit HTML files directly on their device. It offers features like JavaScript toggling, dark mode, and conversion to PDF, ensuring privacy and speed with on-device processing.

**Highlights:** Instant HTML file opening, JavaScript toggling and dark mode, Search and inspect HTML source, Convert HTML to PDF, Bulk PDF conversion, Built-in HTML editor with live preview, On-device processing for privacy

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HTML Viewer Pro Weekly Sub | $4.99 | per 7 days |
| HTML Viewer Lifetime Pro Access | $14.99 | one-time |


### Kiu

[App page](https://appshunter.io/ios/app/kiu-habit-tracker/id6789227387)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kiu Pro – Monthly | $2.99 | per month |
| Kiu Pro – Yearly | $12.99 | per year |
| Kiu Pro – Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is HTML Viewer Editor Convert PDF free?

HTML Viewer Editor Convert PDF is free to download, with in-app purchases available.

### Is Kiu free?

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

### Do HTML Viewer Editor Convert PDF or Kiu have ads?

Neither HTML Viewer Editor Convert PDF nor Kiu shows ads.

### Which is updated more often, HTML Viewer Editor Convert PDF or Kiu?

HTML Viewer Editor Convert PDF ships an update every 9 months, and Kiu every 3 weeks. Most recently, HTML Viewer Editor Convert PDF was updated on October 14, 2026 and Kiu on October 10, 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.*