Per-sound scoring
A score for every sound, not just every word
Echo uses Microsoft Azure Pronunciation Assessment to grade each phoneme you say. Then it maps those sounds back onto the spelling, so th in think lights up red when it came out as s.
- Red and yellow letters show the sounds to fix at a glance
- Sentence view marks each word as correct, close, wrong, missed or extra
- Accuracy, fluency, completeness and sentence rhythm (prosody) for American English
- Goal of 80 per item, with stars and XP for every attempt






























