Tap the button once and recite ayah after ayah. Each ayah is checked when you pause after it, and the next one comes up. Tap again to stop. correct flagged, tap the word to see what was heard not checked, tap for the reason Red marks firm flags only: on correct recitation the engine raises about as many as the strictness below allows (2 per 100 ayat by default). Possible flags come from a test five times looser; switch them on below to see them, underlined. v3.1 reliably catches skipped, added or swapped words and a similar verse recited in place of this one, but few single-sound mistakes: it was trained on correct recitation, so "Heard" shows what it expected more often than what was said. b8 catches most wrong consonants and vowels.