Hear the difference.
Find your voice.
Practice a short passage, listen to a reference, record your reading, and compare. No ebook required.
Choose a passage
Choose one sentence below. Each recording is up to 20 seconds.
Listen and compare
English and Japanese. Browser voices remain available. Provider choice resets on refresh.
When you tap Play reference with Google selected, this sentence is sent to Google to generate speech. Experimental, unofficial endpoint; availability is not guaranteed. Maximum 200 UTF-16 units per sentence (some emoji count twice). Shorten longer sentences or use the browser voice. Google speech is playback-only and is not saved or available for waveform comparison.
Listen to the current sentence with the selected provider.
Add a teacher or native speaker clip for the selected sentence.
Speak and retry
Tap to record. Tap again to finish.
See and compare
Choose two real audio clips of the same sentence. See their full waveforms on one time scale, listen, and compare their timing and energy.
All analysis stays on this device. Temporary imports are not uploaded or saved. Each clip must be 60 seconds or shorter and at most 10 MB. Reference speech (browser or Google) is playback-only here; import or record real audio for waveforms.
Choose two saved clips or import local audio to compare.