STL Viewer vs Gcode Viewer & Simulator
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
STL Viewer
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Someone sent you a model. It's a 3MF, you're away from your computer, and your phone can't open it. LayerPeek opens it, then tells you what you need to know before you print: will it fit your printer, how many plates it has, and what might go wrong. It's a 3D model viewer made for printing: an STL file viewer, a 3MF project viewer and a G-code layer viewer in one app. No account. Your files are read on your device and never uploaded. OPEN THE FILE YOU WERE SENT β’ STL, 3MF, OBJ and G-code files, plus sliced .gcode.3mf projects β’ ZIP downloads from model sites: pick the part you want from inside the archive β’ Open from Files, iCloud Drive, Mail, AirDrop or a chat app with Open inβ¦ β’ Large models are simplified for display, while measurements use the full mesh WILL IT FIT YOUR PRINTER? Pick your printer once. Every model you open shows whether it fits the bed, with the spare room in millimeters. If it doesn't fit as it sits, LayerPeek checks whether turning it on the bed would make it fit. 3MF PROJECTS, NOT JUST SHAPES Opens 3MF projects from popular slicers with their plates and filament colors. Switch between plates and see which parts sit on each one. SLICED FILES: TIME AND GRAMS FROM THE FILE Sliced .gcode.3mf projects already carry the numbers your slicer calculated. LayerPeek reads the print time, the grams of each filament color and the plate thumbnails straight from the file. Plain .gcode files show the print time and filament use written in their header. G-CODE LAYER VIEWER β’ Drag the scrubber to step through the print layer by layer β’ See extrusion and travel moves in different colors β’ Print time and filament use, read from the file MEASURE AND CHECK THE MESH β’ Overall dimensions in millimeters β’ Tap two points to measure the distance between them β’ Mesh health: holes and open edges that can cause slicing trouble β’ Overhang shading shows the areas likely to need supports WEIGHT AND COST ESTIMATE Choose a material and your price per kilogram. For unsliced models, LayerPeek estimates a typical print (2 walls, 15% infill) and also shows the fully solid weight. Sliced files show the grams your slicer calculated. MAKE PARTS THAT FIT Need a part rather than a file? Pick a template, set the sizes in millimeters, see it on your printer's bed and save an STL or 3MF: β’ Cases for popular microcontroller and single-board computer boards, built from their published dimensions β’ Boxes with dividers, name tags in one or two colors, cable clips, spacers and wall mounts β’ Turn a photo into a lithophane, a keychain, a sign or a stamp SHARE A VERDICT CARD Turn the result into one image with a picture of the model, the fit check and the key numbers. Send it to a friend, a customer or your print group. FREE, WITH AN OPTIONAL PRO UPGRADE LayerPeek is free with ads. Pro removes the ads and unlocks the Pro Make templates, pricing a plate with cost and margin, advanced checks with multiple printers, and more colors in colour pictures. SUPPORTED FILES .stl (binary and text) Β· .3mf Β· .gcode.3mf Β· .obj Β· .gcode Β· .zip SUBSCRIPTION AND PRICING β’ LayerPeek Pro Lifetime β $9.99, one payment β’ LayerPeek Pro Monthly β $1.99 per month, renews automatically β’ Payment is charged to your Apple Account at confirmation of purchase β’ A subscription renews unless it is cancelled at least 24 hours before the end of the current period β’ Manage or cancel anytime in your Apple Account settings Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cosmovex.web.app/apps/layerpeek/privacy-policy
Gcode Viewer & Simulator
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Open any gcode file and see exactly what your 3D printer will print β before you start. Gcode Viewer renders the complete toolpath in 3D: rotate, zoom and pan the model, scrub through every layer, and measure real distances in millimetres. WHAT YOU CAN DO β’ Open gcode from your slicer, Files, iCloud or a share sheet β’ View the print in 3D β top, front, side and ISO β’ Scrub the layer slider to check the print builds correctly β’ Measure distances and the print height β’ See print time, filament weight and cost estimates β’ Follow a running print layer by layer Built for makers who want to check a file before committing filament and time. SUBSCRIPTION Opening your own files requires a subscription. The bundled sample model is free to view. β’ Pro Weekly β full access, billed every week β’ Pro Monthly β full access, billed every month β’ Pro Yearly β full access, billed once a year Subscriptions renew automatically. Cancel anytime in your App Store settings. Terms: https://codigitalsolutions.com/terms Privacy: https://codigitalsolutions.com/privacy
Screenshots
Verdict
The clearest difference is ads: Gcode Viewer & Simulator at none against STL Viewer's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. STL Viewer sells 2 in-app purchases, starting at $1.99 per month and Gcode Viewer & Simulator sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | STL Viewer | Gcode Viewer & Simulator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | β |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 48 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Sahana A S | CODIGITAL SOLUTIONS |
In-app purchases
STL Viewer
- LayerPeek Pro Monthly$1.991 Month
- LayerPeek Pro Lifetime$9.99
Gcode Viewer & Simulator
- Weekly$2.997 Days
- Monthly$4.991 Month
- Yearly$29.991 Year
Questions
Is STL Viewer free?
Is Gcode Viewer & Simulator free?
Do STL Viewer or Gcode Viewer & Simulator have ads?
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