My company offers free chinese classes right now and just for a short time. You will get a 50 mins 1-on-1 lesson with a professional Tutor. The App is in English and only available for Android mobile phones.
If you want to get to know more about the company/ product, just check out the homepage of TutorMandarin.
If you are interested in learning Chinese your maybe also like the TutorMandarin Blog. You get weekly postings about Chinese language, like sentences, translating videos, grammar, funny content, explain common Chinese phrases etc.
Give it a try and sign up by scanning the QR-Code: