: A highly-rated app for tracking subjects, analyzing trial exams, and calculating scores for YKS, KPSS, and DGS.

: Available as both a 448-page Konu Anlatımı (Subject Explanation) and a 352-page Soru Bankası (Question Bank).

: A 648-page question bank focusing on mathematical "püf noktaları" (tips and tricks).

: Long-term users express high trust in Yargı Yayınları , stating they have used these resources for multiple different exams with successful results. Digital Alternatives

Based on feedback from major Turkish retailers like Kitapyurdu , the general sentiment for the 2022 Kelebek Serisi is positive: