Ohmly vs 3D Model Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ohmly
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Your electrical toolkit, redesigned for speed. 26 pro tools, one clean app. Ohmly is the modern electrical calculator for electricians, students, and engineers. Solve VIRP calculations, decode resistor and SMD codes, check voltage drop, size conductors, design circuits, and keep your work organized—without ads. 26 PRO TOOLS • Ohm's law, resistor color code, SMD resistor code • Series/parallel resistance, voltage divider, LED resistor • Reactance, resonance, AC impedance, power factor • RC/RL/LC filters, decibels, op-amp gain, 555 timer • Voltage drop, wire gauge/AWG, three-phase power • Motor FLA, conduit fill, short-circuit current • Transformer ratio, LM317 regulator • Capacitor code, inductor color code, PCB trace width • Heat sink thermal resistance and battery life WHY OHMLY • Clean light and dark modes with no ads • Shared display metrics across every tool • Save, label, and search calculations • Export multi-calculation PDF reports • Home Screen, Lock Screen, and StandBy widgets • Full Apple Watch companion Unlock Pro with a lifetime purchase or a low monthly plan. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
- 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
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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!
Screenshots
Verdict
The clearest difference is iOS requirement: 3D Model Viewer at 15.6 against Ohmly's 26.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.
| Parameter | Ohmly | 3D Model Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.3 (3 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 7 MB | 160 MB |
| Age rating | 4+ | 4+ |
| Developer | Adam Wilkie | DMS Corporation Co., Ltd. |
In-app purchases
Ohmly
No in-app purchases
3D Model Viewer
No in-app purchases
Questions
Is Ohmly free?
Is 3D Model Viewer free?
Do Ohmly or 3D Model Viewer have ads?
Which is updated more often, Ohmly or 3D Model Viewer?
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