Comparison

Quick STL Viewer vs 3D File Viewer

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

Head to head
About

Quick STL Viewer

Easily open and preview 3D STL files in a smooth, responsive environment. Inspect models with rotation, zoom, and wireframe modes. Customize colors for better visibility without needing an account.

Highlights
  • Instant STL file opening
  • Smooth 3D model exploration
  • Rotate and zoom functionality
  • Wireframe mode for mesh inspection
  • Customizable object and background colors
  • No account required
Read full description

Quick STL 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 STL 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 STL Viewer provides a lightweight and streamlined STL viewing experience. Pro Features - Unlimited STL Viewing - Wireframe - Rotation - Rotation Speed - Background Color - Background Image Privacy Policy: https://important-anaconda-77e.notion.site/Quick-STL-Viewer-33443a8b7595809dbfd1e8a1bb0191ad Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

3D File Viewer

Quickly view and inspect 3D model files like STL, OBJ, and PLY. Offers a clean preview with gesture controls and detailed model information. Export images or different mesh formats for sharing.

Highlights
  • Preview STL, OBJ, 3MF, PLY, and ZIP files
  • Rotate, move, and scale models
  • Solid, edge, and transparent display modes
  • View presets (front, top, side, isometric)
  • Check model details (bounds, face count, volume)
  • Export PNG, OBJ, DAE, and DXF files
Features
Read full description

PrintPeek is a fast, private viewer for STL, OBJ, 3MF, PLY, and ZIP 3D model files. Open a model from Files, Mail, Safari, AirDrop, or the share sheet, then inspect it with a clean 3D preview. PrintPeek is designed for short maker workflows: preview the model, check the basic details, export a clean image or mesh format, and move on. Main features: - Preview STL, OBJ, 3MF, PLY, and supported models inside ZIP files - Rotate, move, and scale models with simple gestures - Switch between solid, edge, and transparent display modes - Use front, top, side, and isometric view presets - Check bounds, file size, face count, surface area, and volume - Export PNG previews, OBJ, DAE, and DXF files - Save PNG previews to Photos - Works locally with no account, ads, or cloud upload PrintPeek is intentionally focused. It is not a CAD editor, slicer, mesh repair tool, or printer control app. It is built for quickly checking and sharing 3D model files on iPhone and iPad. The free version opens smaller files. PrintPeek Pro is a one-time unlock for larger files and export features. ----- Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Quick STL Viewer4 screens
3D File Viewer4 screens

Verdict

The call

The clearest difference is update cadence: Quick STL Viewer at every 6 days against 3D File Viewer's every 5 weeks. Quick STL Viewer also leads on ratings volume (12 vs 2). On price, rating, 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. Quick STL Viewer sells 3 in-app purchases, starting at $2.99 per 7 days and 3D File Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Quick STL Viewer against 5.0 for 3D File Viewer. That said, the two scores are not equally well evidenced: Quick STL Viewer has 12 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Quick STL Viewer ships an update every 6 days, 3D File Viewer every 5 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 8 level
Quick STL Viewer versus 3D File Viewer: the parameters behind the verdict, then further details
ParameterQuick STL Viewer3D File Viewer
PriceFreeFree
Rating4.9 (12 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings12 — better2
Update frequencyEvery 6 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size76 MB11 MB
Age rating4+4+
DeveloperKEAT MEN TANGJean Papke

Customer experience

Quick STL Viewer

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

3D File Viewer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Quick STL Viewer

Subscriptions2
  • Pro Plan Weekly$2.997 Days
  • Pro Plan Yearly3 Days trial$24.991 Year
One-time1
  • Quick STL Viewer Lifetime$34.99
1 purchases

3D File Viewer

One-time1
  • PrintPeek Pro$3.99

Questions

Is Quick STL Viewer free?
Quick STL Viewer is free to download, with in-app purchases available.
Is 3D File Viewer free?
3D File Viewer is free to download, with in-app purchases available.
Which has better reviews, Quick STL Viewer or 3D File Viewer?
3D File Viewer is rated higher. Quick STL Viewer averages 4.9 out of 5 from 12 ratings, while 3D File Viewer averages 5.0 from 2 ratings.
Do Quick STL Viewer or 3D File Viewer have ads?
Neither Quick STL Viewer nor 3D File Viewer shows ads.
Which is updated more often, Quick STL Viewer or 3D File Viewer?
Quick STL Viewer ships an update every 6 days, and 3D File Viewer every 5 weeks. Most recently, Quick STL Viewer was updated on October 31, 2026 and 3D File Viewer on October 29, 2026.

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