Comparison

XPSView vs STL Simple Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

XPSView

Easily open, read, and convert XPS and OXPS documents on your iOS device. Features include text search, document outlines, and page thumbnails for a smooth reading experience. Convert files to PDF format while preserving all original content and links.

Highlights
  • Read XPS and OXPS documents
  • Selectable and searchable text
  • Zoom in and out
  • Navigate via document outlines
  • Convert to PDF
  • Preserve links and metadata
  • Document management and organization
Features
Read full description

XPSView allows you to open and read XPS (XML Paper Specification, *.xps) and OpenXPS (*.oxps) documents on iOS device. It offers you fantastic reading experience using document outlines, page thumbnails and text search features. In addition, XPSView allows you to convert XPS and OXPS documents into PDF and make it available for any PDF viewing application. Are you having plenty of XPS/OXPS files that no decent viewer available to open on your iPhone and iPad? Do you receive XPS/OXPS documents as email attachments on your iPhone and iPad? The easiest way to circumvent these problems is this XPSView app. * * * XPSView is also available for macOS on the Mac App Store * * * READING FEATURES: - Fully selectable and searchable text contents. Select and copy text to clipboard for further use. - Pinch out and Pinch in to ZoomIn and ZoomOut view. - Navigate through topics by document outlines, if exist. - Search text feature to find a character, word or sentence any where in a document. - Scroll through your document by Page Thumbnails or Go to page feature. XPS/OXPS to PDF CONVERSION FEATURES: - Converts XPS/OXPS to fully vector-PDF documents. Preserves text, vector graphics and raster images as editable PDF contents. - Preserves Bookmarks (Outline). - Preserves XPS internal and external topic hyperlinks into PDF. It automatically maintains XPS topic and page navigation links into PDF compatible annotations. - Preserves metadata properties. DOCUMENT MANAGEMENT - The inbuilt document browse view automatically gives you the option to share documents using the Share button or a drag-and-drop action. It also provides a standard interface for browsing and managing documents. - Automatically handles access to iCloud for you within the app. It also provides access to documents managed by third-party storage service extensions installed on your device. - Browse, find and sort documents to help you locate the document you want. Tap the file that you want to open. - You can move, delete, duplicate and rename a document with document manager in browser view. - In the document manager, you can group related documents into folders so they’re easy to find. Note: XPSView is standalone application running natively to convert XPS and OXPS to PDF securely on your device. You can refer User Manual for any assistance Or Contact Support. Privacy Policy: http://rootrisetech.com/xpsview-privacy-policy Terms of Use(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

STL Simple Viewer

Easily view and interact with 3D STL CAD models. Supports various file types and offers advanced rendering options for detailed analysis. Get model information and explore interiors with clipping planes.

Highlights
  • View ASCII and Binary STL files
  • Load STL from ZIP
  • Rotate, pan, and zoom
  • Orthogonal and Perspective modes
  • Model info (triangle count, bounding box)
  • Rendering options (faces, edges, transparency)
  • Clipping plane for interiors
Features
Read full description

STL Simple Viewer is a great app to quickly view STL, 3MF & DXF 3D files and export them to the most commonly used CAD formats. Features: - Supports STL files both ASCII and Binary formats. - Supports 3MF & DXF files. - Load files directly from ZIP archives. - Export to DXF, OBJ, DAE, PLY, USD, STL & 3MF. - Measure distances between points within your model. - Rotate, pan, and zoom models with intuitive touch controls. - Configure rendering options: faces, edges, points, background and transparency. - Render using a clipping plane (useful for viewing model interiors). - View models in Orthographic or Perspective mode. - Obtain model information including triangle count, bounding box, surface area, and volume. Privacy Policy: https://www.boviosoft.com/apps/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ For support or questions: support@boviosoft.com

Screenshots

XPSView4 screens
STL Simple Viewer4 screens

Verdict

The call

The clearest difference is ads: XPSView at none against STL Simple Viewer's shown. XPSView also leads on review sentiment (52% vs 18%) and rating (4.5 vs 4.3). STL Simple Viewer's advantage is ratings volume (909 vs 54). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. XPSView sells 3 in-app purchases, starting at $0.99 per month and STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

XPSView holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: STL Simple Viewer has 909 ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 52% of XPSView's written reviews are positive against 18% of STL Simple Viewer's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 months. Both last shipped on October 16, 2026.

Scorecard5 real differences · 5 level
XPSView versus STL Simple Viewer: the parameters behind the verdict, then further details
ParameterXPSViewSTL Simple Viewer
PriceFreeFree
Rating4.5 (54 ratings) — better4.3 (909 ratings)
Positive reviews52.4% of reviews — better18.1% of reviews
Number of ratings54909 — better
Update frequencyEvery 5 monthsEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size3 MB19 MB
Age rating4+4+
DeveloperRootRise Technologies Pvt. Ltd.Victor Bovio

Customer experience

XPSView

All ratings54 ratings
Positive88.9%
Neutral1.9%
Negative9.3%
Written reviews21 reviews
Positive52.4%
Neutral0.0%
Negative47.6%

STL Simple Viewer

All ratings909 ratings
Positive80.3%
Neutral4.5%
Negative15.2%
Written reviews166 reviews
Positive18.1%
Neutral11.4%
Negative70.5%

Bugs and requests

XPSView

Not enough reviews yet to summarise bugs or requests.

STL Simple Viewer

Reported bugs

3 issues
  • App crashes when opening larger STL files
  • Inability to open some file formats
  • Ads continue to appear even after paying for ad removal

Requested features

3 requests
  • Add ability to save color/lighting settings
  • Improve stability and reduce crashes
  • Provide an ad-free paid version

In-app purchases

3 purchases

XPSView

Subscriptions2
  • Premium : Monthly Access$0.991 Month
  • Premium : Yearly Access$3.991 Year
One-time1
  • Premium : Lifetime Access$5.99
4 purchases

STL Simple Viewer

Subscriptions2
  • Pro version (1 week plan)$0.997 Days
  • Pro version (1 month plan)3 Days trial$1.991 Month
One-time2
  • Remove Ads$2.99
  • Export Pack$3.99

Questions

Is XPSView free?
XPSView is free to download, with in-app purchases available.
Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Which has better reviews, XPSView or STL Simple Viewer?
XPSView is rated higher. XPSView averages 4.5 out of 5 from 54 ratings, while STL Simple Viewer averages 4.3 from 909 ratings.
Do XPSView or STL Simple Viewer have ads?
STL Simple Viewer shows ads; XPSView does not.
Which is updated more often, XPSView or STL Simple Viewer?
XPSView ships an update every 5 months, and STL Simple Viewer every 5 months. Most recently, XPSView was updated on October 16, 2026 and STL Simple Viewer on October 16, 2026.

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