Us iOS users don’t want to brag or anything, but we’ve got a library of sound ready to be unleashed from our iPads and iPhones thanks to iShred Live, allowing us to mix and match a host of virtual effects pedals so we can create crunchy sounds without carrying a suitcase of heavy stomp boxes (just bring a cable). And when we get home, we have the convenience of plugging into Griffin Technology’s StompBox, transforming our previous mobile set into a working pedal board, which works with your guitar, bass, or electric violin.

The StompBox, available now for $99.99 at the Apple Store or at Griffin’s storefront, sports four switches that can be assigned to any effects of your choice, comes with a 1 meter cable for connecting to your iPad or iPod touch, and accepts additional pedals through a 1/4” jack. A three pronged cable hooks up your headphones, your guitar, and an amp so you can rock out without a dozen wires hooking the system together. Griffin’s effects rig is simple to hook up, is totally stomp-worthy, and ready to crush those metal jams with your favorite iOS device.

If you’re looking for even more options, well, Griffin probably has you covered here too.

The Amazon Kindle app has been updated in the App Store, and subsequently has removed the button linking to their Kindle Store in complying with Apple’s rules for termination (with the ultimate deadline being set at June 30th). Apps offering subscriptions must use in-app-purchasing, and all links to external stores must be removed. The Wall Street Journal and Kobo are also among some of the companies complying at the last minute with the rules pending the upcoming deadline.

Amazon didn’t just update their Kindle app to comply with Apple’s terms of service, however, adding the capability to deliver newspaper and magazine subscriptions to your iPad or iPhone, and download recent editions from the Archived Items section of their app. Amazon is seemingly skirting around subscriptions by making customers push new issues to their devices via the Kindle Store on the web, but automatic delivery makes us wonder whether this infringes on IAP rules.

A second addition brings the ability to highlight text and share quotes or passages with friends on Facebook or Twitter. I’ve never been so enamored to share text of a book I’m reading with my compatriots on either social network, but you bookworms have no more excuses for not showing up to your weekly book club discussion.