# OpenHTML vs Decibel Kit

The clearest difference is update cadence: OpenHTML at every 5 days against Decibel Kit's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OpenHTML sells 1 one-off in-app purchase and Decibel Kit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OpenHTML ships an update every 5 days, Decibel Kit every 2 weeks. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OpenHTML | Decibel Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openhtml-html-pdf-and-markdown/id6776524508/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 21 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [吉帅 仇](https://appshunter.io/developer/1087837335) | [Signet LLC](https://appshunter.io/developer/1880910401) |

## What reviewers say

### OpenHTML

[App page](https://appshunter.io/ios/app/openhtml-html-pdf-and-markdown/id6776524508)

View HTML, Markdown, ZIP web projects, and source files privately on your device. Inspect and export rendered pages offline, diagnose rendering issues, and view code files securely. Designed for developers, students, and anyone needing to inspect web content safely.

**Highlights:** View HTML, Markdown, and source files, Import ZIP archives and web projects, Offline rendering with network access blocked by default, Diagnose rendering and resource issues, Export pages to PDF or long images, Private by default, no accounts or analytics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenHTML Pro | $0.99 | one-time |


### Decibel Kit

[App page](https://appshunter.io/ios/app/decibel-kit-noise-dosimeter/id6776589152)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Kit Pro | $2.99 | one-time |


## Frequently asked questions

### Is OpenHTML free?

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

### Is Decibel Kit free?

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

### Do OpenHTML or Decibel Kit have ads?

Neither OpenHTML nor Decibel Kit shows ads.

### Which is updated more often, OpenHTML or Decibel Kit?

OpenHTML ships an update every 5 days, and Decibel Kit every 2 weeks. Most recently, OpenHTML was updated on September 14, 2026 and Decibel Kit on September 9, 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.*