Comparison

STL Simple Viewer vs Mobileraker

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

Mobileraker

Control and monitor your Klipper 3D printer from your mobile device. Features include real-time print visualization, precision control, advanced monitoring, and file management.

Highlights
  • Real-time print visualization
  • Precision axis and temperature control
  • Advanced monitoring dashboard
  • Filament system management
  • Multi-printer fleet control
  • File management
  • Macro control
Features
Read full description

Take control of your Klipper 3D printing experience like never before! Mobileraker puts professional-grade monitoring and precision control right in your pocket, transforming how you interact with your printer. REVOLUTIONARY PRINTING CONTROL Unleash the full potential of your Klipper-powered printer with an intuitive interface that gives you complete command over every aspect of your printing process. From anywhere, anytime! POWERFUL FEATURES AT YOUR FINGERTIPS • Real-Time Print Visualization: Watch your designs come to life with GCode preview and live print tracking • Smart Print Management: Control jobs instantly with pause, resume, or stop functions while getting real-time progress updates • Precision Control Suite: Command all axes with pinpoint accuracy and perfectly manage temperatures across multiple extruders • Advanced Monitoring Dashboard: Visualize bed mesh data in stunning detail and track temperature fluctuations in real-time • Intelligent Filament System: Master your inventory with Spoolman integration and stay ahead of issues with filament sensor alerts • Fully Customizable Interface: Create your perfect command center by arranging controls exactly how you want them • Complete File Command: Upload, download, zip, edit, and manage files with unprecedented ease • Macro Mastery: Streamline complex operations with grouped GCode macros at your command • Multi-Printer Fleet Control: Manage your entire printing ecosystem from one powerful interface ENHANCED PRINTING EXPERIENCE • Multi-Camera Monitoring: Keep eyes on your print from every angle with advanced camera integration • Interactive GCode Console: Communicate directly with your printer through an intuitive command interface • Smart Notifications: Stay informed with customizable alerts about your print status, no matter where you are • Temperature Preset System: Switch between your most-used settings with lightning speed • Secure Remote Access*: Maintain rock-solid connections through Octoeverywhere, Obico, or your custom setup LEARN MORE Discover all capabilities and latest updates on Mobileraker's GitHub page. LEGAL INFORMATION Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.iubenda.com/privacy-policy/19183925/full-legal *Remote access requires connection through Octoeverywhere, Obico, or manual setup with VPN, reverse proxy, or similar.

Screenshots

STL Simple Viewer4 screens
Mobileraker4 screens

Verdict

The call

The clearest difference is review sentiment: Mobileraker at 81% against STL Simple Viewer's 18%. Mobileraker also leads on rating (4.9 vs 4.3) and update cadence (every 5 weeks vs every 5 months). On price, ratings volume, ads and in-app purchases 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 and Mobileraker sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mobileraker holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 909 and 904 respectively. Written reviews point the same way: 18% of STL Simple Viewer's written reviews are positive against 81% of Mobileraker's.

UpkeepUpdate frequency

STL Simple Viewer ships an update every 5 months, Mobileraker every 5 weeks. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
STL Simple Viewer versus Mobileraker: the parameters behind the verdict, then further details
ParameterSTL Simple ViewerMobileraker
PriceFreeFree
Rating4.3 (909 ratings)4.9 (904 ratings) — better
Positive reviews18.1% of reviews81.0% of reviews — better
Number of ratings909 — better904
Update frequencyEvery 5 monthsEvery 5 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size19 MB130 MB
Age rating4+4+
DeveloperVictor BovioPatrick Schmidt

Customer experience

STL Simple Viewer

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

Mobileraker

All ratings904 ratings
Positive97.5%
Neutral1.4%
Negative1.1%
Written reviews84 reviews
Positive81.0%
Neutral11.9%
Negative7.1%

User reviews

STL Simple Viewer

From 909 App Store ratings

What we love

  • 🚀 Simple and intuitive viewer
  • 👍 Useful viewing options
  • 💡 Supports multiple file formats

Room to improve

  • 🐛 Frequent crashes
  • 🔋 High battery consumption
  • 🚨 Excessive and intrusive ads
  • 🔍 Limited functionality for larger files

Mobileraker

From 904 App Store ratings

What we love

  • 🚀 Responsive and fast
  • 👍 Great user interface
  • 💡 Excellent Klipper support
  • 🔒 Secure remote access
  • 👍 Versatile monitoring and control

Room to improve

  • 🐛 Occasional connectivity issues
  • 💰 Ads in free version
  • 🔒 Concerns about monetization

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

Mobileraker

Reported bugs

2 issues
  • Webcam not working when printer is off
  • Socket errors and timeouts

Requested features

4 requests
  • Customizable dashboard layout
  • Persistent temperature/time prediction display
  • Apple Watch integration
  • Decimal support for temperature adjustments

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
10 purchases

Mobileraker

Subscriptions4
  • Monthly Supporter1 Month trial$1.991 Month
  • Base$4.991 Month
  • Gold$9.991 Month
Show 1 more
  • Yearly Supporter$19.991 Year
One-time6
  • Tip the Dev$2.00
  • Tip the Dev$4.00
  • Tip the Dev$9.00
Show 3 more
  • Tip the Dev$22.00
  • Lifetime Supporter Promotion$29.99
  • Lifetime Supporter$39.99

Questions

Is STL Simple Viewer free?
STL Simple Viewer is free to download, with in-app purchases available.
Is Mobileraker free?
Mobileraker is free to download, with in-app purchases available.
Which has better reviews, STL Simple Viewer or Mobileraker?
Mobileraker is rated higher. STL Simple Viewer averages 4.3 out of 5 from 909 ratings, while Mobileraker averages 4.9 from 904 ratings.
Do STL Simple Viewer or Mobileraker have ads?
Both STL Simple Viewer and Mobileraker show ads.
Which is updated more often, STL Simple Viewer or Mobileraker?
STL Simple Viewer ships an update every 5 months, and Mobileraker every 5 weeks. Most recently, STL Simple Viewer was updated on October 21, 2026 and Mobileraker on October 18, 2026.

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