Viewer3D vs TraceSky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Viewer3D
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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
TraceSky
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1. Support high-precision indoor and outdoor positioning 2. Support base station/WIFI/GPS/Beidou hybrid multi-mode positioning 3. Real time display of location on multiple maps. 4. Replay the historical movement trajectory. 5. Automatic adaptation to multiple languages. 6. Manage multiple devices simultaneously with a single account. 7. Electronic fence alarm management. 8. Speeding and theft alarms. 9. Daily mileage statistics. 10. Support multi scene positioning icon display.
Screenshots
Verdict
The clearest difference is price: TraceSky at Free against Viewer3D's $0.99. TraceSky also leads on iOS requirement (13.0 vs 15.0). 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
TraceSky is free to download; Viewer3D costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Viewer3D | TraceSky |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | 北京秤鑫科技有限公司 | 景华 许 |
In-app purchases
Viewer3D
No in-app purchases
TraceSky
No in-app purchases









