Duolingo is one of the most well-known services for learning a language and you can get a one week trial of its premium Super Duolingo service totally for free. Note that you should receive a reminder before the trial is up and as long as you cancel at least 24 hours before day 7, you shouldn't be charged. Super Duolingo offers perks like unlimited mistakes, no ads, personalized practice to focus on topics you want to work on, and unlimited legendary status - that means you'll have unlimited tries to reach Legendary Level without having to use your hard-earned gems. Shop Now at Duolingo
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