Best Speech-to-Text Apps in 2026

We test speech-to-text and voice-to-text apps the same way every time — running identical audio through each one and scoring the transcripts on word, character, and phrase error rate (WER, CER, PER). No vendor ties, no paid placements.

Most "best dictation app" lists rank tools they've never measured. We don't. Every speech-to-text app here — SuperWhisper, Wispr Flow, Willow Voice, Aqua Voice and more — runs the same recordings under the same conditions, so the numbers are comparable instead of cherry-picked. Accuracy is only part of the score: we also weigh speed, privacy, UX, and features, because the fastest transcription is useless if it gets your words wrong.