Comparison

3D Model Viewer vs Aeshna

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

3D Model Viewer

This application serves as a powerful 3D model viewer and asset management platform for engineering and construction professionals. It allows users to visualize, manage, and collaborate on 2D and 3D project files from their mobile devices, enhancing efficiency and project outcomes.

Highlights
  • Effortless model lightweighting
  • Supports multiple 2D/3D file formats
  • Secure cloud storage for project data
  • Multi-terminal collaboration
  • Hierarchical 3D model viewing
  • Efficient team project creation and sharing
Features
Read full description

Why eZWalker? Welcome to eZWalker: A Powerful 3D Model Viewer and an Asset Management Cloud Platform, the practical, everyday solution for engineering and construction experts. Drive your projects with precision, collaboration, and efficiency. eZWalker is a high-performance and versatile visualization tool with advanced lightweight capabilities for engineering models and data. Focused on viewing and interacting with 3D models, project drawings, and documents, it empowers users to unlock the full potential of their models, enhancing engineering efficiency and project outcomes. Visualize and view your compatible 2D and 3D files using your mobile device. eZWalker is not just an 3D model viewer, it's your companion for achieving on-time, on-budget project success. Use eZWalker to manage your project documents and collaborate efficiently with your project team members in one place. KEY FEATURES --------------------- Effortless Model Lightweighting: Powered by the DMS cloud rendering engine, eZWalker delivers lightweight models with faster loading speeds, enabling highly compressed processing of the original model files while retaining the integrity of the original data; Compatible with Multiple Formats: It supports fast parsing and smooth viewing of a wide range of 2D drawings and 3D models, including formats like DWG、Rvm、Rvt、Catia、IFC、VUE、Svg, etc. In addition, it supports previewing document formats, such as PDF, TXT, DWG, DOC, PPT, and WPS, along with enabling previewing and playing multimedia files like MP4, FLV, MOV, MP3, WAV, PNG, and JPG. Ultra Secure Cloud Storage: Skip the hassle of uploading your models in bite-sized pieces. Use eZWalker to store and access your 3D model files securely, ensuring that your project data is safe and always at hand when you need it. Multi-Terminal Collaboration: The eZWalker APP enables seamless cloud collaboration between mobile, PC, and the DMS cloud web platform, allowing you to manage project models, drawings, and files anytime, anywhere. 3D Model Viewing: eZWalker offers a hierarchical view via a directory tree where you can perform basic operations on 3D models, such as model attribute viewing, model transparency adjustment, model isolation and hiding, and color change. Efficient Team Collaboration: With eZWalker, you can create team projects and invite members effortlessly. Team members can also join directly via a team QR code. Model files can be shared and viewed among team members, with robust file permission management and encrypted sharing, ensuring the security of project documents while enabling efficient team collaboration. With eZWalker, you can visualize from the simplest to the most complex 3D models on your mobile device, and inspect them easily and intuitively with its unique navigation interface. Designed for iOS smartphones with a smooth and clear visualization experience in mind. eZWalker will let you use the most appropriate visual clues and rendering styles to fully show the potential of your creations!

About

Aeshna

Features
Read full description

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/

Screenshots

3D Model Viewer4 screens
Aeshna4 screens

Verdict

The call

The clearest difference is in-app purchases: 3D Model Viewer at none against Aeshna's 10. 3D Model Viewer also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (15.6 vs 18.6). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Aeshna sells 10 in-app purchases, starting at $4.99 per month. 3D Model Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

3D Model Viewer ships an update every 3 weeks, Aeshna every 6 weeks. Both last shipped on October 7, 2026.

Scorecard3 real differences · 7 level
3D Model Viewer versus Aeshna: the parameters behind the verdict, then further details
Parameter3D Model ViewerAeshna
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better18.6
Further details — not scored
Size160 MB57 MB
Age rating4+4+
DeveloperDMS Corporation Co., Ltd.Shenzhen Seize Times E-Commerce Co., Ltd.

In-app purchases

None

3D Model Viewer

No in-app purchases

10 purchases

Aeshna

Subscriptions6
  • Viewra Models (Monthly)$4.991 Month
  • Viewra BIMs (Monthly)$4.991 Month
  • Viewra Complete (Monthly)$6.991 Month
Show 3 more
  • Viewra Models (Yearly)$34.991 Year
  • Viewra BIMs (Monthly)$34.991 Year
  • Viewra Complete (Yearly)$49.991 Year
One-time4
  • Viewra Drawings (Lifetime)$39.99
  • Viewra Models (Lifetime)$69.99
  • Viewra BIMs (Lifetime)$69.99
Show 1 more
  • Viewra Complete (Lifetime)$99.99

Questions

Is 3D Model Viewer free?
3D Model Viewer is free to download, with no in-app purchases.
Is Aeshna free?
Aeshna is free to download, with in-app purchases available.
Do 3D Model Viewer or Aeshna have ads?
Neither 3D Model Viewer nor Aeshna shows ads.
Which is updated more often, 3D Model Viewer or Aeshna?
3D Model Viewer ships an update every 3 weeks, and Aeshna every 6 weeks. Most recently, 3D Model Viewer was updated on October 7, 2026 and Aeshna on October 7, 2026.

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