Reviews praise Letterly’s speed, accuracy, and time-saving workflow for voice-to-text, with users calling it a daily staple for notes, emails, and social posts. People like the clean design, custom prompts, and recent sync across devices, plus responsive developers. Critics want more: desktop app, collaboration, advanced formatting, and fewer minor bugs. Several buyers via AppSumo highlight strong value. Power users say it excels at organizing thoughts, removing filler, and producing clean copy, while early adopters expect rapid iteration and broader platform support to match its mobile strengths.