STL Simple Viewer vs The professionals
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
The professionals
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**Keep the pros you trust at your fingertips.** The Professionals is the simple, focused way to save the professionals you rely on — plumbers, electricians, painters, HVAC techs, handymen, gardeners, movers, nannies — and share them with the people who ask. You know the feeling: a friend asks "do you know a good plumber?" and you spend ten minutes scrolling through old WhatsApp messages trying to find the number. The Professionals fixes that. Save each pro once, with their photo, phone, email, category, and a quick note about the job they did for you. Next time someone needs a recommendation, send them the contact in one tap — or a QR code, or a deep link that imports straight into their app. **What you can do** • Save pros with photo, multiple phones and emails, category, and notes • Import from your device contacts, no retyping • Organize by category — Plumbing, Electrical, Painting, HVAC, Handyman, and your own custom categories • Search and filter as your list grows • Call or message the right person without digging — primary phone and email per contact • Share a pro three ways: native share sheet, a friend deep link, or QR code for in-person handoffs • Ask a pro to add you as a client with one tap • Cloud sync across your devices when you sign in **Made for iPhone and iPad** The Professionals is built natively for iOS — sign in once and your list follows you across your devices. **Private by default** Your contacts stay yours. We never sell your data. Cloud sync is opt-in and tied to your account; everything else lives locally on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: The professionals at none against STL Simple Viewer's 4. The professionals also leads on ads (none vs shown). On price, device support and iOS requirement 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
Both are free to download. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. The professionals asks for nothing beyond the download.
| Parameter | STL Simple Viewer | The professionals |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (923 ratings) — better | — |
| Positive reviews | 18.1% of reviews | — |
| Number of ratings | 923 — better | — |
| Update frequency | Every 5 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Victor Bovio | Yaron Jackoby |
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
The professionals
Not enough reviews yet to summarise bugs or requests.
In-app purchases
STL Simple Viewer
- Pro version (1 week plan)$0.997 Days
- Pro version (1 month plan)3 Days trial$1.991 Month
- Remove Ads$2.99
- Export Pack$3.99
The professionals
No in-app purchases
Questions
Is STL Simple Viewer free?
Is The professionals free?
Do STL Simple Viewer or The professionals have ads?
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