# XML Viewer & XML Editor vs STL File Viewer Pro

The clearest difference is rating: STL File Viewer Pro at 4.5 against XML Viewer & XML Editor's 2.0. STL File Viewer Pro also leads on ratings volume (65 vs 2). XML Viewer & XML Editor's advantage is ads (none vs shown). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. XML Viewer & XML Editor sells 5 in-app purchases, starting at $9.99 per year and STL File Viewer Pro sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

STL File Viewer Pro holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: STL File Viewer Pro has 65 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 5% of XML Viewer & XML Editor's written reviews are positive against 10% of STL File Viewer Pro's.

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on September 24, 2026.

## The numbers

| Metric | XML Viewer & XML Editor | STL File Viewer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/xml-viewer-and-xml-editor/id6737447574/reviews) | **[4.5 (65 ratings)](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143/reviews)** |
| Number of ratings | 2 | **65** |
| Positive reviews | 5.3% of reviews | **10.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #81 | **#35** |
| Size | 98 MB | 16 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Utsav Mangla](https://appshunter.io/developer/1729995457) | [Andeesh Mehdi Syed](https://appshunter.io/developer/1676226599) |

## What reviewers say

### XML Viewer & XML Editor

[App page](https://appshunter.io/ios/app/xml-viewer-and-xml-editor/id6737447574)

**Currently charting:** #81 Top Grossing · Developer Tools, #168 Top Free · Developer Tools (US App Store)

Easily open and read XML files on your iPhone with a structured display. Convert XML to PDF, view in table format, and use syntax highlighting for clarity. Offers dark mode and an ad-free experience.

**Highlights:** Open XML files locally or in iCloud, Convert XML to PDF, Table view for XML data, Syntax highlighting, Breadcrumb navigation, Dark mode support

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access (Supporter) | $9.99 | per year |
| All access (Partner) | $14.99 | per year |
| All access (Visionary+) | $19.99 | per year |
| All access (Visionary) | $19.99 | per year |
| Lifetime access (Supporter) | $9.99 | one-time |


### STL File Viewer Pro

[App page](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143)

**Currently charting:** #35 Top Grossing · Developer Tools, #103 Top Free · Developer Tools (US App Store)

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

**Highlights:** Instant STL file loading, Full 360° rotation and zoom, Sharp detail rendering, Light and dark mode support, Lightweight and fast performance, Open files from Files, email, AirDrop

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Ad Free for 1 Year | $24.99 | per year |


## Frequently asked questions

### Is XML Viewer & XML Editor free?

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

### Is STL File Viewer Pro free?

STL File Viewer Pro is free to download, with in-app purchases available.

### Which has better reviews, XML Viewer & XML Editor or STL File Viewer Pro?

STL File Viewer Pro is rated higher. XML Viewer & XML Editor averages 2.0 out of 5 from 2 ratings, while STL File Viewer Pro averages 4.5 from 65 ratings.

### Do XML Viewer & XML Editor or STL File Viewer Pro have ads?

STL File Viewer Pro shows ads; XML Viewer & XML Editor does not.

### Which is updated more often, XML Viewer & XML Editor or STL File Viewer Pro?

XML Viewer & XML Editor ships an update fortnightly, and STL File Viewer Pro fortnightly. Most recently, XML Viewer & XML Editor was updated on September 24, 2026 and STL File Viewer Pro on September 24, 2026.

### Which is more popular, XML Viewer & XML Editor or STL File Viewer Pro?

XML Viewer & XML Editor currently peaks at #81 in the App Store charts, and STL File Viewer Pro at #35. Chart position reflects recent download velocity rather than total install base.

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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.*