The best alternatives to Hemingboard are iTunes, BotList, and Streak. If these 3 options don't work for you, we've listed a few more alternatives below.
I made Synonymful to improve the vocabulary of my essays, seminar papers and pitches. It was very exhausting to constantly Google "synonyms for XX". I simplified this process with Synonymful, beautiful and elegant cross-platform app. Feedback is warmly appreciated.