'Aishah (May Allah be pleased with her) reported:
The Prophet (ﷺ) used to recite frequently in his bowing and prostration: "Subhanak- Allahumma, Rabbana wa bihamdika. Allahum-maghfir li (O Allah! You are free from imperfection and I begin with praising You. Forgive my sins)."[Al-Bukhari and Muslim].
App reference: Book 16, Hadith 18
Arabic/English book reference: Book 16, Hadith 1425