Comparison

Viewer3D vs 3D Mesh Doctor

Price, ratings, monetisation and update history for both apps, side by side β€” 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 instantlyβ€”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: β€’ Enhanced STEP Support: Read and manage individual parts/assemblies. β€’ Professional Tools: Section views, Material settings, and Exploded views. Support & Feature Requests: apple@everver.com

About

3D Mesh Doctor

Features
Read full description

3D Mesh Doctor is a powerful yet easy-to-use 3D mesh repair and optimization tool designed for iOS and iPadOS. Whether you're a 3D printing enthusiast, AR/VR developer, 3D scanning professional, or industrial modeler, this app provides everything you need to fix and optimize your 3D models on the go. Key Features: β€’ Mesh Diagnosis: Automatically analyze your 3D models and generate detailed health reports. Detect issues including non-manifold edges, holes, degenerate triangles, duplicate vertices, and self-intersections. β€’ Auto Repair: One-click automatic repair to fix common mesh problems. Remove duplicate vertices, fix non-manifold geometry, fill holes, remove degenerate triangles, and recalculate normals. β€’ Smart Decimation: Reduce mesh face count intelligently while preserving model quality. Choose from Extreme (10%), Balanced (30%), or Quality (60%) modes to optimize models for different use cases. β€’ Format Conversion: Seamlessly convert between STL, OBJ, and USDZ formats. Export to USDZ for ARKit and RealityKit applications. β€’ Real-time Preview: View your 3D models with rotation, zoom, and pan capabilities using RealityKit-powered rendering. Supported File Formats: STL, OBJ, USDZ Perfect for: - 3D printing preparation - AR/VR content optimization - 3D scan cleanup - Industrial modeling - Mobile 3D workflows Free version includes diagnosis, repair, decimation, and conversion. Upgrade to Pro to export your processed models.

Screenshots

Viewer3D4 screens
3D Mesh Doctor4 screens

Verdict

The call

The clearest difference is price: 3D Mesh Doctor at Free against Viewer3D's $0.99. Viewer3D's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 17.6). On update cadence, ads and device support 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

3D Mesh Doctor is free to download; Viewer3D costs $0.99 up front. 3D Mesh Doctor sells 2 in-app purchases, starting at $2.99 per month. Viewer3D asks for nothing beyond the download.

UpkeepUpdate frequency

Viewer3D ships an update every 3 months, 3D Mesh Doctor every 2 months. Both last shipped on October 31, 2026.

Scorecard3 real differences Β· 3 level
Viewer3D versus 3D Mesh Doctor: the parameters behind the verdict, then further details
ParameterViewer3D3D Mesh Doctor
Price$0.99Free β€” better
Update frequencyEvery 3 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better17.6
Further details β€” not scored
Size24 MB7 MB
Age rating4+4+
DeveloperεŒ—δΊ¬η§€ι‘«η§‘ζŠ€ζœ‰ι™ε…¬εΈη§€ι“Ά ζž—

In-app purchases

None

Viewer3D

No in-app purchases

2 purchases

3D Mesh Doctor

Subscriptions1
  • 3D Mesh Doctor Pro - Monthly$2.991 Month
One-time1
  • 3D Mesh Doctor Pro - Lifetime$12.99

Questions

Is Viewer3D free?
Viewer3D costs $0.99, with no in-app purchases.
Is 3D Mesh Doctor free?
3D Mesh Doctor is free to download, with in-app purchases available.
Do Viewer3D or 3D Mesh Doctor have ads?
Neither Viewer3D nor 3D Mesh Doctor shows ads.
Which is updated more often, Viewer3D or 3D Mesh Doctor?
Viewer3D ships an update every 3 months, and 3D Mesh Doctor every 2 months. Most recently, Viewer3D was updated on October 31, 2026 and 3D Mesh Doctor on October 31, 2026.

Other comparisons