STL Simple Viewer vs MandateOS
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
MandateOS
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MandateOS is the all-in-one field tool for political campaign teams. Plan canvassing routes, track election posters, coordinate tasks, and keep your volunteers motivated - all from one app. Built for grassroots campaigning, MandateOS replaces scattered spreadsheets and group chats with a single, organized workspace for your whole team. POSTERS • Map every election poster with a photo and exact GPS location • Track each poster's condition: new, good, damaged, or removed • Instantly see which posters need a visit or replacement CANVASSING & FLYERING • Record door-to-door and flyering routes with live GPS tracking • Background tracking keeps logging even when the screen is locked • Add co-walkers so every participant gets credit for the distance • Capture voter sentiment street by street TASKS & EVENTS • Create, assign, and complete tasks across your team • Keep upcoming events and appointments in one place • Everyone always knows what to do next TEAM & MOTIVATION • A live leaderboard highlights your most active volunteers • Earn badges for milestones and achievements • Group chat and an activity feed keep everyone in sync • A personalized daily message welcomes each volunteer BUILT FOR THE WHOLE CAMPAIGN • Run multiple campaigns and teams • Roles for leaders, coordinators, and volunteers • Candidate profiles and campaign info at hand PRIVACY BY DESIGN MandateOS follows GDPR principles. Location is used only for route tracking and poster mapping, and you stay in control of your data. Please note: MandateOS is made for political campaigns in Germany, and the app's interface is in German.
Screenshots
Verdict
The clearest difference is in-app purchases: MandateOS at none against STL Simple Viewer's 4. MandateOS also leads on ads (none vs shown) and update cadence (every 2 months 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
Both are free to download. STL Simple Viewer sells 4 in-app purchases, starting at $0.99 per 7 days. MandateOS asks for nothing beyond the download.
STL Simple Viewer ships an update every 5 months, MandateOS every 2 months. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | STL Simple Viewer | MandateOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (909 ratings) — better | — |
| Positive reviews | 18.1% of reviews | — |
| Number of ratings | 909 — better | — |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 19 MB | 51 MB |
| Age rating | 4+ | 12+ |
| Developer | Victor Bovio | Vin Mangelsdorf |
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
MandateOS
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
MandateOS
No in-app purchases
Questions
Is STL Simple Viewer free?
Is MandateOS free?
Do STL Simple Viewer or MandateOS have ads?
Which is updated more often, STL Simple Viewer or MandateOS?
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