STP Viewer vs Sketch 3D Model for Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STP Viewer
This application allows users to open and view large, complex 3D CAD files on their mobile devices. It supports standard STEP and STP file formats, offering smooth navigation and offline accessibility for professionals and enthusiasts alike.
- Open STP and STEP files
- Fluid 3D navigation (orbit, pan, zoom)
- Instant file loading from various sources
- View complex assemblies
- Offline accessibility
- Battery and RAM efficient
- Supports files from major CAD software
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With our advanced 3D rendering engine, you can open large and complex computer-aided design (CAD) files seamlessly. The app acts as an all-in-one CAD file reader, allowing you to access critical data whenever and wherever you need it. ### Why Choose This STP & STEP Viewer? Google and web searches often show that finding a lightweight mobile tool to view STEP files can be challenging. Our app solves this by focusing purely on speed, rendering accuracy, and an intuitive user interface. It works flawlessly as both an STP viewer and a STEP viewer, ensuring compatibility with standard ISO 10303 files exported from any modern CAD ecosystem. ### Key Technical Features: • Comprehensive STP & STEP Support: Fully optimized to read and render both .stp and .step file extensions. • Fluid 3D Navigation: Experience smooth orbiting, panning, and pinch-to-zoom gestures even with high-polygon assemblies. • Instant File Loading: Open CAD models directly from your iOS Files app, iCloud Drive, email attachments (Gmail, Outlook), or communication tools like Slack and WhatsApp. • Structural Integrity: View complex mechanical assemblies and nested components with high visual fidelity. • Offline Accessibility: Fully functional without an active internet connection. Perfect for secure facilities, remote fields, or offline workshops. • Battery & RAM Efficient: Engineered using modern mobile graphics frameworks to prevent overheating and excessive battery drain. ### Cross-Platform Ecosystem Compatibility: This mobile 3D viewer supports files generated from all major CAD software suites. If your workflow involves files exported from any of the following platforms, our app is your ideal mobile companion: • SolidWorks & Autodesk Fusion 360 • AutoCAD & Autodesk Inventor • CATIA & PTC Creo • Rhino 3D & Siemens NX • TurboCAD, FreeCAD, and more. ### Tailored for Engineering Professionals: • Mechanical & Aerospace Engineers: Quickly review part tolerances and geometry during team alignment meetings. • CNC Programmers & Machinists: Verify 3D model structures directly next to the machine without running back to a computer. • Sales & Project Managers: Showcase highly detailed interactive 3D prototypes to clients during sales pitches and presentations. • 3D Printing Enthusiasts: Check standard CAD exports before sending them to slicing software. ### Flexible Premium Plans: Gain unlimited access to advanced viewing features, large file processing, and a completely ad-free workspace. Choose the subscription model that aligns with your professional workflow: • Weekly Plan: Ideal for short-term design reviews, sudden project deadlines, or quick freelance jobs. • Monthly Plan: Great for ongoing manufacturing sprints, contract work, and mid-term engineering projects. • Yearly Plan: Our best-value option providing year-round, uninterrupted access for dedicated CAD professionals and engineering teams. Privacy Policy: https://sites.google.com/view/stepviewerpolicy/home Terms of Service: https://sites.google.com/view/stp-viewer-appterms/home
Sketch 3D Model for Viewer
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Sketch 3D Model for Viewer is a focused 3D model viewer for opening, rotating, zooming, and inspecting your models on iPhone and iPad. Open GLB files directly from your device and keep them in your private local project library. Browse saved projects, inspect a model with intuitive touch controls, and return to your work whenever you need it. For supported 3D formats such as glTF, OBJ, FBX, STL, DAE, 3MF, PLY, USD, STEP, and more, the app securely converts the selected model to GLB before saving it back to your device. Conversion source files and generated results are automatically deleted from the private conversion server after 7 days. Key features: • Open and inspect local GLB 3D models • Rotate, zoom, and explore models with touch controls • Keep saved projects in local device storage • Import supported 3D and CAD formats for secure GLB conversion • Organize, reopen, share project details, or remove local projects • Free access for files up to 1 MB • Premium access for imports up to 100 MB • Premium removes advertising while active • Restore an existing subscription from Settings Sketch 3D Model for Viewer is designed for personal model review, visualization, and lightweight 3D inspection. Import only files that you own or are authorized to use. Privacy Policy: https://decorappsmobile.com/privacy.html Terms of Use (EULA): https://decorappsmobile.com/terms.html
Screenshots
Verdict
The clearest difference is iOS requirement: STP Viewer at 13.0 against Sketch 3D Model for Viewer's 15.6. On price, 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
Both are free to download. STP Viewer sells 3 in-app purchases, starting at $1.99 per 7 days and Sketch 3D Model for Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | STP Viewer | Sketch 3D Model for Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 44 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | CODIGITAL SOLUTIONS | Fredika Chintya |
In-app purchases
STP Viewer
- Pro Access$1.997 Days
- Pro Access$4.991 Month
- Pro Access$9.991 Year
Sketch 3D Model for Viewer
- Weekly Sketch Pro for 3D model view$4.997 Days
- monthly subscriptions for sketch$14.991 Month
- Yearly subscriptions for sketch 3D$59.991 Year
Questions
Is STP Viewer free?
Is Sketch 3D Model for Viewer free?
Do STP Viewer or Sketch 3D Model for Viewer have ads?
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