CoStudy

Focus mode, practice exams, and 200+ certifications. Start any cert free.

CoStudy turns certification prep into fast, focused study sessions. Flashcards, exam-realistic multiple-choice questions, and task-based simulations for 200+ certifications and courses — CPA, CFA, FINRA (SIE, Series 6/7/63/65/66), AWS, Azure, PMP, NCLEX, real estate, and a full educational catalog from middle school through AP and college admissions.

• Study by chapter, topic, or custom lists • Focus mode strips everything away but the card in front of you • Practice exams with timers, score reports, and history • Progress syncs between your iPhone and the web at costudy.net • Try every certification free before you buy

Single certifications are one-time purchases — yours forever. Bundles cover a whole track (all 6 CPA sections, the full FINRA path, and more). The Educational subscription unlocks the entire school catalog with a 7-day free trial.