Number One

Everything about this tablature app is awesome. Sound quality is great, has a tutorial to introduce you to everything you need, plenty of modifications can be made through the apps own (pedal) effects, and its IAA and Midi compatible (means audiobus, FLstudio, effects through other apps, etc). JM also has export options for tabs only, audio in various formats, and Dropbox sync to keep files safe and up to date if you modify them often.
If youre a song writer or even just like messing with music, you want JM. This app has no IAPs. Meaning one price and you get everything. You can unlock all of the effects by writing a review (at no cost).

The abridged version of this review:
The most compatible, intuitive, quality app for music at the lowest price.

EDIT:
I ended up running into a small issue revolving around the lack of sound. Luckily, the developer is a saint and got back to my email in a matter of minutes with almost a novels worth of info. So much so that he fixed something else I had not even thought to ask about. A great product is one thing, but also having fast and awesome dedicated customer service to back it is one of those diamonds in the rough deals.

Lmxeric about Jam Maestro: create guitar tab