Amidio Inc. has Futulele – Ukulele Synth (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for 99-cents ($4.99 – 4 instant savings) for a limited time.

Feel the summer breeze with Futulele, the only digital Ukulele you’ll ever need! It looks amazing (Retina graphics), sounds awesome, offers fully automatic play modes, great interface and even can be extended via the optional Futulele Remote app. Absolutely suitable for ukulele novices, but brings a lot of fun even to experienced ukulele players!

Amidio Inc. has OMGuitar – Play Virtual Guitar with FX (iTunes Link) for the iPad in the iTunes App Store for $1.99 (regularly $2.99) for a limited time.

OMGuitar is the best iPad guitar emulation ever created – realistic strumming, 8 guitars, 10 FX, record, MIDI, Audiobus, Remote control & More!