Best 3Dm Viewer & Converter Apps

243+ iOS apps curated and reviewed

4.0 avg rating

18 free apps

Updated September 2026

Whether you're new to 3dm viewer & converter or looking for an upgrade, our curated collection of 243+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top 3Dm Viewer & Converter Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	3DM Viewer & Converter	$6.99	2.0★ (4)	No	No	Sep 2026
2	3D File Viewer: OBJ STP & more	Free	4.5★ (48)	No	Yes	Sep 2026
3	3D Model Viewer & Converter	Free	1.5★ (2)	No	Yes	Sep 2026
4	3D Converter and Viewer	Free	—	No	No	Sep 2026
5	Viewra 3D	Free	—	No	Yes	May 2026
6	STEP Viewer	Free	—	No	No	Sep 2026
7	3D Model Viewer - AR View	Free	4.2★ (328)	Yes	Yes	Sep 2026
8	Open3D: STL & 3D Model Viewer	Free	4.8★ (5)	Yes	No	Sep 2026

Top Picks for 3Dm Viewer & Converter

#1

3DM Viewer & Converter by Victor Bovio

View 3DM & export to CAD files

Editor's Choice

📊 Productivity

2.0(4 ratings)

$6.99

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View and convert 3DM model files to various CAD formats. Offers rendering controls, model information, and graphic manipulation tools. Supports loading files from archives.

#2

3D File Viewer: OBJ STP & more by Andeesh Mehdi Syed

STP STL OBJ FBX GLTF & More

Strong Contender

4.5(48 ratings)

FreeIn-App Purchases

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Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

#3

3D Model Viewer & Converter by 维艾

STL,GLB,3MF,OBJ,DXF,USDZ ...

Worth Considering

📊 Productivity

1.5(2 ratings)

FreeIn-App Purchases

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This tool allows you to open, view, and convert a wide variety of 3D file formats on your Apple devices. It offers basic editing, cross-sectioning, and exploded views, with options for batch conversion and exporting projected views.

More 3Dm Viewer & Converter apps to explore

3D Converter and Viewer

3D Converter and Viewer

3D Converter and Viewer

Viewing 3D objects

🛠️ Developer Tools

A Private and Clean 3D Viewer

Fast STEP File Viewer

📊 Productivity

3D Model Viewer - AR View

3D Model Viewer - AR View

3D Model Viewer - AR View

View model in AR and 3D mode

View and interact with various 3D model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.

AR and 3D viewing modesSupports numerous 3D file formatsLocal and cloud document integration

📊 Productivity

free with in-app purchases

Open3D: STL & 3D Model Viewer

Open3D: STL & 3D Model Viewer

Open3D: STL & 3D Model Viewer

View STL, GLB, STEP, DXF & OBJ

Instantly view and inspect a wide range of 3D file formats directly on your device. Offers AR viewing, 3D printing readiness checks, and detailed model specifications without requiring an account or cloud upload.

Supports over 15 3D file formatsAugmented Reality (AR) viewing via Apple Quick Look3D printing readiness checks (manifold, overhangs, wall thickness)

🎨 Graphics & Design

STL & 3D Model Viewer - Mes3D

STL & 3D Model Viewer - Mes3D

STL & 3D Model Viewer - Mes3D

Supports STEP, GLB, OBJ, glTF

Easily view, inspect, and explore 3D models on your device. Supports common file formats and offers intuitive touch controls for rotation, panning, and zooming. Visualize models in AR and capture snapshots for sharing.

Import 3D files (STL, GLB, OBJ, USDZ, etc.)Intuitive touch controls for rotation, pan, zoomMesh-based preview and rendering

🛠️ Developer Tools

STEP, STL, 3MF & G-code viewer

🎨 Graphics & Design

3D Model Viewer - AR & Print

3D Model Viewer - AR & Print

3D Model Viewer - AR & Print

Simulate 3D Printing and AR

Explore and interact with 3D models on your mobile device. Simulate the 3D printing process to identify potential issues before committing to a print. Visualize your models in augmented reality, adjusting scale and rotation within your real-world environment.

View 3D models in real-timeRotate, zoom, and paint modelsSimulate 3D printing process

📊 Productivity

free with in-app purchases

GLB File Viewer

GLB File Viewer

GLB File Viewer

by Smart Cube Labs Co., Ltd.

📊 Productivity

3D Model Maker: ImgTo3D

3D Model Maker: ImgTo3D

3D Model Maker: ImgTo3D

AI: Image to GLB, STL & OBJ

Transform 2D images into detailed 3D models quickly and easily. Preview your creations in real-time and export them in GLB format for use in various 3D applications and viewers. No prior 3D modeling experience is required.

Generate 3D models from 2D imagesReal-time 3D model previewExport in GLB format

🎨 Graphics & Design

free with in-app purchases

STL Simple Viewer

STL Simple Viewer

STL Simple Viewer

View 3D STL & 3MF CAD models

Easily view and interact with 3D STL CAD models. Supports various file types and offers advanced rendering options for detailed analysis. Get model information and explore interiors with clipping planes.

View ASCII and Binary STL filesLoad STL from ZIPRotate, pan, and zoom

📊 Productivity

free with in-app purchases

MeshView - 3D & VR Viewer

MeshView - 3D & VR Viewer

MeshView - 3D & VR Viewer

Offline 3D CAD & Mesh Viewer

Fast STL 3D Viewer

This free 3D viewer allows you to quickly load and inspect various 3D model file formats on any mobile device. It supports common open formats and offers intuitive controls for adjusting transparency, rotation, and shading. Specialized features are available for dental professionals using specific software.

Load various 3D model formats (STL, OBJ, PLY, etc.)Intuitive touch controlsAdjust mesh transparency and shading

Model Viewer | CAD Viewer

Model Viewer | CAD Viewer

Model Viewer | CAD Viewer

STL, GLB, USD, OBJ, 3DM, PLY

View and inspect 3D model files with ease. Import various formats, manipulate the view with intuitive controls, and access basic model information on a clear workspace.

3D model inspectionImport multiple file formatsRotate, pan, and zoom controls

🎨 Graphics & Design

Shine3D - Pro 3D Viewer

Shine3D - Pro 3D Viewer

Shine3D - Pro 3D Viewer

3D Viewer & Visual Capture

🛠️ Developer Tools

WhatsApp Messenger

WhatsApp Messenger

WhatsApp Messenger

Simple. Reliable. Private.

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

End-to-end encrypted messagingHigh-quality voice and video callsGroup chats and calls

🌐 Social Networking

free with in-app purchases

3D Kit: STL Viewer

3D Kit: STL Viewer

3D Kit: STL Viewer

CAD Model & Print Preview AR

🎨 Graphics & Design

FAQ about 3Dm Viewer & Converter

What are the best 3dm viewer & converter apps for iPhone?

3DM Viewer & Converter tops our 3dm viewer & converter apps ranking as of September 2026, with a 2.0-star average from 4 App Store ratings, and it's priced at $6.99.

Are there free 3dm viewer & converter apps for iPhone?

Yes — 18 of the top 3dm viewer & converter apps we rank are free to download, including 3D File Viewer: OBJ STP & more and 3D Model Viewer & Converter.

Does 3DM Viewer & Converter have ads or in-app purchases?

3DM Viewer & Converter has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many 3dm viewer & converter apps are on the App Store?

We track 243+ 3dm viewer & converter apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What file formats can 3DM Viewer & Converter export to?

3DM Viewer & Converter can export your 3DM files to STL, DXF, OBJ, 3DS, DAE, PLY, and OFF formats. This allows for broad compatibility with various CAD and 3D software.

Can 3DM Viewer & Converter open files contained within archives?

Yes, 3DM Viewer & Converter supports loading 3DM files directly from within ZIP or RAR archives. This eliminates the need to extract files before viewing.