Adding its name to a rapidly growing list of disgruntled iPhone developers is , makers of fine audio utilities for the Mac, such as Airfoil, Audio Hijack Pro, and Fission. The company has also entered the iPhone app market with and . Having shipped version 1.0.0 of Airfoil for the iPhone earlier this year, the folks at Rogue Amoeba quickly went to work on a 1.0.1 update to fix some bugs relating to audio sync when outputting to multiple sources.

Having submitted the updated version in July, they'd expected the app to be available on the store within a week or two, given that it was almost identical to the version already in the store, with merely minor bug fixes. If you've read this far, you already know what's coming next: after being rejected three times, Airfoil Speakers Touch 1.0.1 was made available on the App Store on Friday, after floating in App Store submission limbo for .

I recommend checking out  by CEO Paul Kafasis to read about the events in detail, but here's the gist: Apple rejected the update on grounds of trademark infringement because the application displayed a picture of the Mac streaming the audio and an icon of the application whose audio is being streamed.

This, despite the fact that the first version of Airfoil for the iPhone, which was approved by Apple, had the exact same feature and that the feature uses Mac OS X code provided by Apple expressly for this purpose. As Kafasis notes in his missive, it's no worse than Apple displaying third-party app icons in the Dock and Finder.

After having unsuccessfully re-submitted an unchanged binary to Apple for reconsideration, they took the only available recourse and removed the feature from the app, in accordance with Apple's demands. Instead, there's a graphic that you can tap on to visit a Web page about why the icons are missing.  also suggests that you consider donating to the Electronic Frontier Foundation (EFF), an organization that lobbies for Internet freedom.