IK Multimedia today released AmpliTube 4 For iOS. an update that offers improved sound quality, a new Looper and a virtual cab miking option.

Here’s what’s new in AmpliTube 4.0:

• Enhanced sound quality: AmpliTube now uses the same amp DSP as AmpliTube 3 Custom Shop for OS X and PC
• “Cab Room” feature that allows 3D miking of cabinets with up to two mics (available via in-app purchase)
• New Looper feature (available via in-app purchase)
• You can now place 2 FX after the amp for even more sonic possibilities
• Added drag and drop stompbox FX placement
• 16 mics derived from AmpliTube 3 Custom Shop are now available via in-app purchase
• Improved Studio section interface
• Complete project compatibility between iPhone and iPad AmpliTube versions
• Loop Drummer now features improved time stretching and UNDO/REDO editing
• In-app purchases are now displayed by an easy-to-browse graphic carousel system
• Overall aesthetics have been redesigned to suit iOS 8
• Greater consistency between all versions

AmpliTube 4 for iOS is available now for US $19.99. Note that advanced features are available as in-app purchases.