Try scale wizard might be easier – FretBoard - Chords & Scales Review

I think that this app is a bit overpriced. It has a lot of info but it it kind of hard to distinguish which shape you are looking for. I just purchased Planet Waves' Scale Wizard an it seems to be better for a beginner/intermediate guitarist. One thing that fretboard has is the ability to use it for a bunch of stringed instruments. Good but a bit confusing.
Review by The Next Rap Prez on FretBoard - Chords & Scales.