jios is missing in iOS App Store

[Shengyao Xue]

Thanks to Ian Clark! I can use J on iOS, with the App of jios 903.2 and j701,

But I cannot found these two Apps on iOS App Store today, which means I cannot share the Apps to my friend who use iPhone or iPad.

Any hint?

Thanks

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Shengyao

[Eric Iverson]

It looks like Apple has pulled those apps. They still run if already installed. There was no active development on them and that is perhaps why they were pulled. Jsoftware does not have someone to champion and work on them so I am not sure what will happen.

Possible alternatives are the J playground (runs in the browser) or the J guest server.

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[Devon McCormick]

Does the Apple store have a stranglehold on apps you can install on an i-phone?  I'm guessing they probably do.

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Devon McCormick

Flâneur

[More Rice]

Ref: https://developer.apple.com/support/app-store-improvements

As part of the App Store Improvements process, developers of apps that have not been updated within the last three years and fail to meet a minimal download threshold — meaning the app has not been downloaded at all or extremely few times during a rolling 12 month period — receive an email notifying them that their app has been identified for possible removal from the App Store.

Porting J (in C) to swift/UI would be daunting, if not a maintenance nightmare upon a new J version. Would webassembly + JavaScriptKit be an easier path? I read webassembly has very restrictive FS access.

That said, J playground and J guest server are super awesome.  Can't go wrong with either of them trying out J.

Maurice

[Richard Payne]

I wanted to try out the app and ran into the same problem - it's been removed from the App Store.

 

According to the description at:

 

https://appadvice.com/app/j901/1483497239

 

it's been less than two years since it was updated, so the three year rule is not the issue - the issue might therefore be a low number of downloads.

 

Would it be possible for J Software to ask the App Store to reinstate it, since there is some demand?

 

Failing that, could Ian Clark and J Software put the existing code on Github “as” is for an Apple developer to perhaps adopt? I'm not an Apple developer, unfortunately.

 

Richard Payne

 

[Eric Iverson]

Jsoftware would welcome someone, or better yet a team, willing to champion J on iOS. The gpl source is available for anyone wanting to start fresh. Xcode is a good development environment and makes it fairly easy to build an appropriate IDE. If appropriate, we could also make the latest version of IDE code available. Perhaps the hardest part is dealing with the apple store.

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[Ed Gottsman]

Richard,

I gave up my iPad some time ago in favor of a laptop (which lets me run J in its full glory) but was a J iOS user until then.  I don’t remember whether Safari on the iPad can handle it gracefully, but it’s possible that the web-based J Playground IDE (https://jsoftware.github.io/j-playground/bin/html2/) might meet at least some of your needs.

Ed 

[Richard Payne]

Thanks for the advice to try the J Playground. Using Safari on an old iPad 2 does not work, but on a contemporary device (an iPad mini 7) it works just fine.

[Marvin Littlewood]

Hi! 

FWIW I am using an iPad Air 2 with iOS 15.8.3.

The general, graphics/plot and math/Catalan labs seem to work fine in Safari in the online JHS environment:

https://server.jsoftware.com:65101/jijx

Marv

[John Weir]

Greetings,

I recently caught a bit of bug and fascination with APL and its derivatives. I was looking for an IOS based application to have the language on hand.  Rob Pike's APL-like Ivy no longer runs on IOS (https://github.com/robpike/ivy)

This brought me to Ian Clark's wiki page on the J Software site, but discovered the app is no longer available.  I reached out to Ian and he suggested I ask on the forum.

I am willing to try to compiling the Xcode project, and if successful get the application published on the App Store.  I do have a valid Apple developer's license, but only limited experience with the App Store (enough to know it can be quite a bureaucratic process).

If this is possible, please let me know.  If the code is hosted on GitHub, my account there is https://github.com/jweir 

Thank you - John