Comparison

STL Simple Viewer vs Debugged Pro

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

Head to head
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

About

Debugged Pro

Features
Read full description

Debugged Pro – Suite is an all-in-one project management app built exclusively for Debugged Pro clients and internal teams. It gives you complete visibility into your projects, tasks, and timelines—ensuring clarity, accountability, and efficiency. With Debugged Pro – Suite, you can: Monitor project progress in real time View and manage assigned tasks effortlessly Collaborate seamlessly with your team and clients Keep everything organized in one secure place Whether you’re a project manager or a team member, Debugged Pro – Suite helps you stay aligned, productive, and ahead of deadlines.

Screenshots

STL Simple Viewer4 screens
Debugged Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Debugged Pro at none against STL Simple Viewer's 4. Debugged Pro also leads on ads (none vs shown) and update cadence (monthly vs every 5 months). On price and device support 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. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. Debugged Pro asks for nothing beyond the download.

UpkeepUpdate frequency

STL Simple Viewer ships an update every 5 months, Debugged Pro monthly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
STL Simple Viewer versus Debugged Pro: the parameters behind the verdict, then further details
ParameterSTL Simple ViewerDebugged Pro
PriceFreeFree
Rating4.3 (909 ratings) — better—
Positive reviews18.1% of reviews—
Number of ratings909 — better—
Update frequencyEvery 5 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size19 MB25 MB
Age rating4+4+
DeveloperVictor BovioDebugged Pro Private Limited

Bugs and 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

Debugged Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

Debugged Pro

No in-app purchases

Questions

Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Is Debugged Pro free?
Debugged Pro is free to download, with no in-app purchases.
Do STL Simple Viewer or Debugged Pro have ads?
STL Simple Viewer shows ads; Debugged Pro does not.
Which is updated more often, STL Simple Viewer or Debugged Pro?
STL Simple Viewer ships an update every 5 months, and Debugged Pro monthly. Most recently, STL Simple Viewer was updated on October 14, 2026 and Debugged Pro on October 6, 2026.

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