Comparison

3D File Viewer vs Quick3D CAD Viewer

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

Head to head
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/

About

Quick3D CAD Viewer

Features
Read full description

Quick3D Viewer 3D CAD Viewing Made Simple. Quick3D Viewer is a free 3D model viewer for iPhone and iPad. Open and explore a wide range of 3D files, including STEP, IGES, STL, OBJ, and more, right from your mobile device. Whether you're on the factory floor, meeting with clients, or away from your desk, Quick3D Viewer makes it easy to inspect 3D models wherever you go. Key Features ■ Supports Multiple 3D File Formats View STEP / STP, IGES / IGS, STL, OBJ, PLY, 3MF, GLB, and USDZ files. ■ Intuitive 3D Navigation Rotate, zoom, and pan models using simple touch gestures. Explore your designs from different angles. ■ Full-Screen Viewing Hide banner ads in full-screen mode and enjoy more space to inspect your 3D models. ■ Designed for iPhone and iPad View 3D models on your phone or tablet, wherever your work takes you. Perfect For - Inspecting 3D models on the factory floor - Reviewing CAD designs and engineering projects - Sharing designs during meetings - Checking models for 3D printing - Viewing CAD files while on the go 3D CAD in Your Pocket. Make 3D viewing easier with Quick3D Viewer.

Screenshots

3D File Viewer4 screens
Quick3D CAD Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: Quick3D CAD Viewer at none against 3D File Viewer's 1. Quick3D CAD Viewer also leads on update cadence (every 2 weeks vs every 5 weeks). 3D File Viewer's advantage is ads (none vs shown). On price, device support and iOS requirement 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. 3D File Viewer sells 1 one-off in-app purchase. Quick3D CAD Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

3D File Viewer ships an update every 5 weeks, Quick3D CAD Viewer every 2 weeks. The most recent releases landed on October 29, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 6 level
3D File Viewer versus Quick3D CAD Viewer: the parameters behind the verdict, then further details
Parameter3D File ViewerQuick3D CAD Viewer
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.6
Further details — not scored
Size11 MB28 MB
Age rating4+4+
DeveloperJean PapkeRyo Tazaki

In-app purchases

1 purchases

3D File Viewer

One-time1
  • PrintPeek Pro$3.99
None

Quick3D CAD Viewer

No in-app purchases

Questions

Is 3D File Viewer free?
3D File Viewer is free to download, with in-app purchases available.
Is Quick3D CAD Viewer free?
Quick3D CAD Viewer is free to download, with no in-app purchases.
Do 3D File Viewer or Quick3D CAD Viewer have ads?
Quick3D CAD Viewer shows ads; 3D File Viewer does not.
Which is updated more often, 3D File Viewer or Quick3D CAD Viewer?
3D File Viewer ships an update every 5 weeks, and Quick3D CAD Viewer every 2 weeks. Most recently, 3D File Viewer was updated on October 29, 2026 and Quick3D CAD Viewer on October 16, 2026.

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