Language learning apps work fine on a screen, but the hardest part is the thing screens avoid: actually speaking out loud and getting immediate feedback on whether you said it right. Most voice-based language tools either play a recording or transcribe your speech. They don't do both in an inte...
Source: [Dev.to](https://dev.to/botoclock/i-built-a-language-tutor-that-listens-and-scores-your-pronunciation-23f5)