# DecibelPeak vs XML Viewer

The clearest difference is in-app purchases: DecibelPeak at none against XML Viewer's 4. DecibelPeak also leads on ads (none vs shown). XML Viewer's advantage is update cadence (fortnightly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. XML Viewer sells 4 in-app purchases, starting at $1.99 per 7 days. DecibelPeak asks for nothing beyond the download.

DecibelPeak ships an update every 4 months, XML Viewer fortnightly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DecibelPeak | XML Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Andre Frelicot](https://appshunter.io/developer/1055019120) | [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) |

## What reviewers say

### DecibelPeak

[App page](https://appshunter.io/ios/app/decibelpeak/id6752702602)

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

**In-app purchases:** none


### XML Viewer

[App page](https://appshunter.io/ios/app/xml-viewer-editor-and-formatter/id6754247662)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is DecibelPeak free?

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

### Is XML Viewer free?

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

### Do DecibelPeak or XML Viewer have ads?

XML Viewer shows ads; DecibelPeak does not.

### Which is updated more often, DecibelPeak or XML Viewer?

DecibelPeak ships an update every 4 months, and XML Viewer fortnightly. Most recently, DecibelPeak was updated on October 8, 2026 and XML Viewer on October 6, 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.*