Comparison

Khronos glTF Viewer vs ISD Studio 3D

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

Head to head
About

Khronos glTF Viewer

View and interact with 3D models in the glTF 2.0 format. Explore sample models with advanced rendering or display your own files. Experience models in augmented reality.

Highlights
  • View glTF 3D models
  • Augmented reality mode
  • Rotate, zoom, and pan models
  • Browse and display own glTF files
  • Supports PBR and glTF extensions
Features
Read full description

The Khronos glTF Viewer is an easy-to-use application that lets you view and interact with 3D models in the Khronos glTF 2.0 file format, and includes support for viewing in augmented reality. glTF is the open, industry-standard 3D asset format for the efficient transmission and loading of 3D scenes and models by engines and applications. It is an ISO/IEC International Standard that has become the 3D asset delivery format of choice across the web and real-time applications. Key App Features: • Built-In Sample Models – View sample glTF models showcasing features like physically-based rendering and animation • Object Mode – Rotate, zoom, or pan a 3D model to view it from various angles • AR Mode – Place a 3D model on real-world surfaces with augmented reality • File Browser – Browse and display your own glTF files, including optional integration with iCloud Drive All the features found in the core glTF 2.0 specification are supported, plus a number of glTF extensions, including Physically Based Rendering (PBR) effects such as clearcoat. For a full list of glTF extensions currently supported, please view the GitHub repository. This reference application is an Open Source project supported by the Khronos Group and released under an Apache 2.0 license. Developers are invited to contribute to the ongoing development of the project and provide feedback by raising issues on the GitHub repository. Developers may also create derivative works based on the application, subject to the terms of the Apache 2.0 license.

About

ISD Studio 3D

Design and animate 3D characters with this tool. Create custom models by manipulating surfaces, then rig them with skeletons to add motion and export as glTF animations or VRM avatars.

Highlights
  • Create 3D character models
  • Deform and combine surfaces
  • Rig models with skeletons
  • Add motion for animation
  • Export glTF animations
  • Export VRM avatars
Features
Read full description

This is a tool to create glTF 3D animation and VRM avatar. You can: Create character models by deforming and combining surfaces, Bind (rig) models with skeletons and add motion to create animation, and Export glTF realtime 3D animation, Play and view it from different angles. You can also export VRM avatar.

Screenshots

Khronos glTF Viewer4 screens
ISD Studio 3D3 screens

Verdict

The call

The clearest difference is review sentiment: ISD Studio 3D at 100% against Khronos glTF Viewer's 50%. ISD Studio 3D also leads on iOS requirement (12.2 vs 16.0). Khronos glTF Viewer's advantage is rating (4.3 vs 2.5) and in-app purchases (none vs 1). On price, ratings volume, ads and monetization model 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. ISD Studio 3D sells 1 one-off in-app purchase. Khronos glTF Viewer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Khronos glTF Viewer holds the better App Store score, 4.3 against 2.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 50% of Khronos glTF Viewer's written reviews are positive against 100% of ISD Studio 3D's, so the app with the better star average is not the one people write more warmly about.

Scorecard4 real differences · 6 level
Khronos glTF Viewer versus ISD Studio 3D: the parameters behind the verdict, then further details
ParameterKhronos glTF ViewerISD Studio 3D
PriceFreeFree
Rating4.3 (4 ratings) — better2.5 (2 ratings)
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings4 — better2
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.012.2 — better
Further details — not scored
Size34 MB62 MB
Age rating12+4+
DeveloperThe Khronos Group, Inc.Lilysoft LLC

Customer experience

Khronos glTF Viewer

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

ISD Studio 3D

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Khronos glTF Viewer

No in-app purchases

1 purchases

ISD Studio 3D

One-time1
  • Full version$2.99

Questions

Is Khronos glTF Viewer free?
Khronos glTF Viewer is free to download, with no in-app purchases.
Is ISD Studio 3D free?
ISD Studio 3D is free to download, with in-app purchases available.
Which has better reviews, Khronos glTF Viewer or ISD Studio 3D?
Khronos glTF Viewer is rated higher. Khronos glTF Viewer averages 4.3 out of 5 from 4 ratings, while ISD Studio 3D averages 2.5 from 2 ratings.
Do Khronos glTF Viewer or ISD Studio 3D have ads?
Neither Khronos glTF Viewer nor ISD Studio 3D shows ads.

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