Aeshna
Private STEP & IGES Viewing
Free · In-App Purchases
Aeshna is a professional CAD viewer and inspection tool for STEP and IGES files. Open, inspect, measure, and review 3D models directly on your device — no account required and no cloud upload.
KEY FEATURES
• STEP & IGES Support
Open STEP, STP, IGES, and IGS files directly on your iPhone or iPad.
• Assembly Tree
Navigate assembly structures, inspect components, and control model visibility.
• Section View
Cut through models to inspect internal geometry and hidden details.
• Exploded View
Separate assembly components to better understand structure and relationships.
• Precision B-Rep Measurement
Measure distances, angles, areas, and volumes directly from B-Rep geometry.
• PMI Support
View dimensions, tolerances, datums, and other PMI information stored in STEP files.
• Screenshot Markup
Add drawings, shapes, and notes to model screenshots for review and sharing.
• Multi-Format Export
Export models to STEP, IGES, STL, OBJ, glTF, VRML, and other common formats.
• Large Model Processing
Use a paired Mac to process CAD models too large for your iPhone or iPad, then seamlessly continue viewing them on your device.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
* Improved Part Selection
Faster and more intuitive part selection and navigation.
* Snapshot Markup
Annotate model snapshots to highlight details and add notes.
* PMI Support
View dimensions, tolerances, datums, and other PMI data.
* Improved Measurement
A smoother and more efficient measurement experience.
* Saved Views
Access predefined views stored in STEP files.
File Information
View key STEP file and model information at a glance.
The developer, Shenzhen Seize Times E-Commerce Co., Ltd., 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
- Provider
- Shenzhen Seize Times E-Commerce Co., Ltd.
- Size
- 60.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
English and 6 more
- English, French, German, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Aeshna Pro (1 Year) $34.99
- Aeshna Pro (Monthly) $4.99
- Aeshna Pro (Lifetime) $69.99
- Viewra BIMs (Monthly) $34.99
- Viewra BIMs (Monthly) $4.99
- Viewra BIMs (Lifetime) $69.99
- Viewra Complete (Lifetime) $99.99
- Viewra Models (Lifetime) $69.99
- Viewra Complete (Monthly) $6.99
- Viewra Drawings (Lifetime) $39.99
- Copyright
- Copyright © 2026 C192 Studio. All rights reserved.