Comparison

Viewer3D vs Slicer2

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

Head to head
About

Viewer3D

Features
Read full description

Powerful 3D Visualization. Absolute Privacy. Viewer3D is a high-performance, fully offline tool engineered for professionals, designers, and 3D printing enthusiasts. View, inspect, and interact with your models instantly—without cloud uploads or data privacy concerns. Why Choose Viewer3D? 100% Offline & Secure: Your intellectual property never leaves your device. No internet required, no tracking, and zero data collection. Zero Storage Overhead: Using advanced in-place file access, Viewer3D opens models directly without creating redundant copies, saving your device’s storage. Industry-Grade 3MF Support: Fully compatible with multi-color models and plate layouts from popular 3D printing slicers. Immersive AR Experience: Bring your designs into the real world. Visualize models in your physical environment with high-precision Augmented Reality. Key Features: Multi-Color 3MF Management: Seamlessly render multi-part 3MF files. Customize filament colors directly within the app to preview your final print. Intuitive Gesture Control: Optimized spatial navigation with fluid two-finger panning and pinch-to-zoom for precise inspection. Seamless Integration: Open 3D models instantly via the "Share" menu from Files, Mail, or any other app. Supported Formats: Comprehensive support for STL, PLY, OBJ, 3MF, STEP, and 3DM. What’s Next? (Our Roadmap): We are constantly evolving! Upcoming features include: • Enhanced STEP Support: Read and manage individual parts/assemblies. • Professional Tools: Section views, Material settings, and Exploded views. Support & Feature Requests: apple@everver.com

About

Slicer2

Features
Read full description

Slicer2 is a powerful 3D print slicer app for iPhone and iPad. Import STL files, configure print settings, preview sliced layers, and export ready-to-print G-code — all from your iOS device. Features: • Import STL files (binary and ASCII formats) • Interactive 3D model viewer • Layer-by-layer 2D slice preview with contours and infill • Customizable print settings: layer height, infill density, print speed, temperatures • G-code export compatible with most RepRap-based 3D printers • Sample model included to get started instantly Whether you're at your desk or on the go, Slicer2 gives you full control over your 3D print workflow right from your pocket.

Screenshots

Viewer3D4 screens
Slicer24 screens

Verdict

The call

The clearest difference is price: Viewer3D at $0.99 against Slicer2's $1.99. Viewer3D also leads on iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support 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

Viewer3D costs $0.99 and Slicer2 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
Viewer3D versus Slicer2: the parameters behind the verdict, then further details
ParameterViewer3DSlicer2
Price$0.99 — better$1.99
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size24 MB1 MB
Age rating4+4+
Developer北京秤鑫科技有限公司lionel emmerich

In-app purchases

None

Viewer3D

No in-app purchases

None

Slicer2

No in-app purchases

Questions

Is Viewer3D free?
Viewer3D costs $0.99, with no in-app purchases.
Is Slicer2 free?
Slicer2 costs $1.99, with no in-app purchases.
Do Viewer3D or Slicer2 have ads?
Neither Viewer3D nor Slicer2 shows ads.

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