Some of the amplifier emulators you can get for your iPhone are complicated beasts (with their ability to switch pedals/effects, record yourself with their built-in recording tools or similar fancy features). This is not one of those apps. Amps & Cabs (by Ground Up Audio) is an app that gives you exactly what the name implies—amplifiers and cabinets. Then you play to your heart’s content.
Simple. And with some decent sound quality thrown in. Let’s look at it in my favourite colour styling … none! … Amps & Cabs for iPhone