# HTML Viewer Editor Convert PDF vs Simple Slide

The clearest difference is in-app purchases: Simple Slide at none against HTML Viewer Editor Convert PDF's 2. Simple Slide also leads on update cadence (every 3 weeks vs every 9 months). HTML Viewer Editor Convert PDF's advantage is iOS requirement (13.0 vs 15.6). On price, ads 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. Simple Slide asks for nothing beyond the download.

HTML Viewer Editor Convert PDF ships an update every 9 months, Simple Slide 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 | Simple Slide |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 56 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEURASYNC](https://appshunter.io/developer/1639101560) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## 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 |


### Simple Slide

[App page](https://appshunter.io/ios/app/simple-slide-slide-maker/id6761530970)

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

**In-app purchases:** none


## 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 Simple Slide free?

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

### Do HTML Viewer Editor Convert PDF or Simple Slide have ads?

Neither HTML Viewer Editor Convert PDF nor Simple Slide shows ads.

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

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

---

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