Comparison

Quick OBJ Viewer vs STL Viewer

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Quick OBJ Viewer

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Quick OBJ Viewer is a simple and fast app for opening and previewing 3D STL files. Open your files instantly and explore them in a smooth, responsive 3D environment. Rotate, zoom, and inspect models with ease. Switch to wireframe mode to examine mesh details, or customize object and background colors for better visibility. Built with a focus on simplicity and usability, Quick OBJ Viewer keeps the experience clean and distraction-free without unnecessary complexity. No accounts required. Just open and view your files. Whether you're quickly checking a model, reviewing print details, or inspecting geometry on the go, Quick OBJ Viewer provides a lightweight and streamlined OBJ viewing experience. Pro Features - Wireframe - Rotation - Rotation Speed - Background Color Privacy Policy: https://important-anaconda-77e.notion.site/Quick-OBJ-Viewer-Privacy-Policy-36443a8b7595803db8e6d64326d2157d Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

STL Viewer

Features
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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 in… 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

Screenshots

Quick OBJ Viewer4 screens
STL Viewer4 screens

Verdict

The call

The clearest difference is ads: Quick OBJ Viewer at none against STL Viewer's shown. STL Viewer's advantage is update cadence (every 6 days vs every 3 weeks). 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Quick OBJ Viewer sells 3 in-app purchases, starting at $0.99 per 7 days and STL Viewer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Quick OBJ Viewer ships an update every 3 weeks, STL Viewer every 6 days. The most recent releases landed on September 29, 2026 and October 13, 2026 respectively.

Scorecard2 real differences Β· 4 level
Quick OBJ Viewer versus STL Viewer: the parameters behind the verdict, then further details
ParameterQuick OBJ ViewerSTL Viewer
PriceFreeFree
Update frequencyEvery 3 weeksEvery 6 days β€” better
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.115.0 β€” better
Further details β€” not scored
Size21 MB48 MB
Age rating4+4+
DeveloperKEAT MEN TANGSahana A S

In-app purchases

3 purchases

Quick OBJ Viewer

Subscriptions2
  • Pro Plan Weekly$0.997 Days
  • Pro Plan Yearly3 Days trial$17.991 Year
One-time1
  • Quick OBJ Viewer Lifetime$29.99
2 purchases

STL Viewer

Subscriptions1
  • LayerPeek Pro Monthly$1.991 Month
One-time1
  • LayerPeek Pro Lifetime$9.99

Questions

Is Quick OBJ Viewer free?
Quick OBJ Viewer is free to download, with in-app purchases available.
Is STL Viewer free?
STL Viewer is free to download, with in-app purchases available.
Do Quick OBJ Viewer or STL Viewer have ads?
STL Viewer shows ads; Quick OBJ Viewer does not.
Which is updated more often, Quick OBJ Viewer or STL Viewer?
Quick OBJ Viewer ships an update every 3 weeks, and STL Viewer every 6 days. Most recently, Quick OBJ Viewer was updated on September 29, 2026 and STL Viewer on October 13, 2026.

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