STL Simple Viewer vs Steppy
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
Steppy
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Steppy is a simple study planning and productivity app that helps students organise tasks, break assignments into smaller steps, stay focused, and track progress. Designed for students, self-learners, and anyone who feels overwhelmed by study tasks, Steppy helps turn big goals into clear next actions. Instead of staring at a large assignment and not knowing where to start, Steppy helps you create a plan, choose the next tiny step, and build steady progress over time. Key features: • Create and manage study tasks • Break large assignments into smaller steps • See your next best move • Use a focus timer to protect short study sessions • Reset when you feel stuck or overwhelmed • Track daily and weekly progress • Build better study routines • Use a clean, low-clutter planner layout Steppy is useful for students who want more structure, better focus, and a simpler way to manage study work. It is designed with simple screens, small steps, and clear progress tracking to support low-clutter study planning. Steppy Pro unlocks additional planning and productivity features to support deeper study organisation and progress tracking. Steppy Pro is available as an optional auto-renewable subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://trysteppy.com/privacy Support: https://trysteppy.com/support
Screenshots
Verdict
The clearest difference is ads: Steppy at none against STL Simple Viewer's shown. Steppy also leads on update cadence (every 8 days vs every 5 months) and iOS requirement (15.1 vs 17.0). On price, in-app purchases 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 and Steppy sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
STL Simple Viewer ships an update every 5 months, Steppy every 8 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.
| Parameter | STL Simple Viewer | Steppy |
|---|---|---|
| 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 | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 19 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Victor Bovio | Akalahandi De Silva |
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
Steppy
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
Steppy
- Steppy Pro$3.991 Month
- Steppy Pro Yearly$34.991 Year
Questions
Is STL Simple Viewer free?
Is Steppy free?
Do STL Simple Viewer or Steppy have ads?
Which is updated more often, STL Simple Viewer or Steppy?
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