Most of these programs just sell you a package of video lessons. While these can be quite useful in improving your fluency, they are not enough!
2. One on one coaching is expensive and time-consuming
Some programs schedule one-on-one coaching which is inefficient and expensive.
3. You must use technology but it's not enough
Technology can not tell you specifically what to do next to improve your pronunciation and fluency, and research shows that having a human supervisor makes a big difference in the users' improvment.
ChatterFox is the only program that offers you all of these features togetherThis program has been developed by non-native English speakers who have been in your shoes and of course language experts with years of experience