HearThai - Master Real Thai

It's complete if you wish to pay for the next level. Interface is ok. But still congruent at times.

I have used many many different apps, and I keep coming back to this one. The amount of vocab words and grammar rules is just unmatched to anywhere else. It isn’t laid out like other apps, where you play games or complete sections, you simple have access to massive amounts of vocabulary you can study at your own pace, select the ones that are important to you, and keep going into you have them memorized. Highly recommend.