Comparison

STL Simple Viewer vs Upsway

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

Upsway

Facilitate seamless collaboration and project management with an intuitive interface. Assign roles, manage tasks, and customize workflows for efficient team communication across departments. Ideal for organizations needing structured project oversight and design feedback.

Highlights
  • Intuitive interface for design file commenting
  • Role-based access and team management
  • Simplified project management
  • Task assignment and tracking
  • Customizable workflows
  • File versioning and collaboration tools
Features
Read full description

Key Features: • User-Friendly Interface: Upsway offers an intuitive interface for commenting on design files, ensuring clear communication and feedback. • Role-Based Access: Users can assume different roles, facilitating role-driven team management and access permissions. • Easy Project Management: Upsway simplifies project-level management, enabling organizations to organize and oversee projects effortlessly. • Tasks Functionality: The platform includes task management features for assigning, tracking, and completing project-related tasks. Use Cases: Upsway is ideally suited for companies with multi-departmental structures, enabling them to efficiently handle projects with well-organized collaboration and communication. Your design team can work alongside a manufacturing department in order to quickly and efficiently collaborate on the same project. User Roles: The platform provides role-tailored user interfaces, ensuring that each team member has a clear path for actions, enhancing usability. Roles can be Project Owner, Manager, Designer (Sketch, Tech, Merch, CAD), Reviewer or Watcher. All of them have their own set of responsibilities that can be assigned to a certain account. A role can also be assigned to an external reviewer who can view the project without seeing all the other projects in your space. Customization: Upsway allows for extensive customization, with the ability to define unique workflows for each project, regardless of the industry, be it jewelry design or architecture. A dedicated workflow editor can cover a range of flows. Scalability: Upsway is highly scalable, making it suitable for both small organizations and large enterprises. There are no limitations on growth and expansion. Collaboration Tools: The platform offers a comprehensive suite of collaboration tools, including commenting and drawing on images, PDF files, and Excel sheets as well as file versioning when you want to iterate on your design. It also features a moodboard functionality to foster creative collaboration.

Screenshots

STL Simple Viewer4 screens
Upsway4 screens

Verdict

The call

The clearest difference is rating: Upsway at 5.0 against STL Simple Viewer's 4.3. Upsway also leads on in-app purchases (none vs 4) and ads (none vs shown). STL Simple Viewer's advantage is ratings volume (909 vs 1). 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. Upsway asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Upsway holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: STL Simple Viewer has 909 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

STL Simple Viewer ships an update every 5 months, Upsway monthly. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 3 level
STL Simple Viewer versus Upsway: the parameters behind the verdict, then further details
ParameterSTL Simple ViewerUpsway
PriceFreeFree
Rating4.3 (909 ratings)5.0 (1 ratings) — better
Positive reviews18.1% of reviews—
Number of ratings909 — better1
Update frequencyEvery 5 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size19 MB24 MB
Age rating4+4+
DeveloperVictor BovioRiise Opco LLC

Customer experience

STL Simple Viewer

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

Upsway

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Upsway

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

Upsway

No in-app purchases

Questions

Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Is Upsway free?
Upsway is free to download, with no in-app purchases.
Which has better reviews, STL Simple Viewer or Upsway?
Upsway is rated higher. STL Simple Viewer averages 4.3 out of 5 from 909 ratings, while Upsway averages 5.0 from 1 ratings.
Do STL Simple Viewer or Upsway have ads?
STL Simple Viewer shows ads; Upsway does not.
Which is updated more often, STL Simple Viewer or Upsway?
STL Simple Viewer ships an update every 5 months, and Upsway monthly. Most recently, STL Simple Viewer was updated on October 16, 2026 and Upsway on October 3, 2026.

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