[x3d-public] Castle Model Viewer available on iOS

[John Carlson]

Michalis,

Quick question before I go off and try this:

Does the model viewer support multiple scenegraphs in the same zip, and can
I swap between them?

For example,

https://github.com/coderextreme/HAnimUtilityKit/archive/refs/tags/Release_4_0_1.zip
 (WIP)

What I plan to do ultimately, I provide my own menu to swap between scenes
, but having it already done by the model viewer would be fantastic!

(Note that in this release is a gzipped file as well!)

Thanks,

John

On Sat, Sep 13, 2025 at 1:10 PM Michalis Kamburelis via x3d-public <
x3d-public at web3d.org> wrote:

> Hello everyone,
>
> We're happy to announce that the mobile version of our Castle Model
> Viewer is now available for iOS (iPhone, iPad...) and you can get it
> right now from the App Store!
>
> Open the link https://apps.apple.com/app/id6752208775 on your
> iPhone/iPad, or just search for "Castle Model Viewer" in the AppStore.
> We're available in all AppStore regions (including US and EU).
>
> You can open a number of built-in models (in X3D, glTF, IFC JSON, and
> other formats we support). You can also open your own models, provided
> they are "self-contained". More information about our features, and in
> particular about "Opening your own models" and what it means that
> "Models must be self-contained" is on our webpage:
>
> https://castle-engine.io/castle-model-viewer-mobile
>
> ( BTW if you're on Android, follow this for Google Play or APK download
> too. )
>
> The application is completely free, also no ads and no tracking, and
> it is naturally open-source:
> https://github.com/castle-engine/castle-model-viewer-mobile/ . And it
> is using our free and open-source Castle Game Engine (
> https://castle-engine.io/ ).
>
> In return, we ask that you consider donating to us (
> https://www.patreon.com/c/castleengine ) and/or giving us a good
> rating on the AppStore :)
>
> Of course, if you have any problems or questions, go ahead and ask.
> Various ways of contacting us are on https://castle-engine.io/talk.php
> , in particular you're welcome to our forum (
> https://forum.castle-engine.io/ ) or submit GitHub issue (
> https://github.com/castle-engine/castle-model-viewer-mobile/issues ).
> And simply answering to this email obviously also works :)
>
> I'd like to thank Jan Adamec for working on this application, as well
> as on a lot of related iOS-specific improvements in Castle Game
> Engine. I'd also like to thank a sponsor (who wished to remain
> anonymous) for covering our Apple membership fee for 1 year. Much
> appreciated.
>
> Regards and have a good weekend,
> Michalis
>
> _______________________________________________
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> x3d-public at web3d.org
> http://web3d.org/mailman/listinfo/x3d-public_web3d.org
>
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