STP Viewer : STEP 3D
3D CAD File Reader & Opener
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
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
Ratings & Reviews
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The developer, CODIGITAL SOLUTIONS, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- CODIGITAL SOLUTIONS - FZCO
- Size
- 46.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Access $9.99
- Pro Access $4.99
- Pro Access $1.99
- Copyright
- © Codigital Solutions 2026