There is no single best NEET app. There are seven different things students need during a NEET prep cycle — concept understanding, NCERT-aligned revision, MCQ practice from official past papers, full-format mock tests, doubt solving, spaced-repetition revision, and motivation — and no single tool does all seven well. The honest answer to "best NEET app" depends on which gap you are filling this week. If you are starting from zero and need a teacher to walk you through Physics, BYJU's recorded video content remains genuinely strong. If you need infinite NCERT-aligned MCQs with explanations, NeetPrep and Humanli.ai both have years of curated NCERT-derived question banks. If you need a free option backed by the Indian government, SATHEE from IIT Kanpur is criminally underused. If your problem is that you take notes during coaching and never revise them, CramPad's AI-generated flashcards and adaptive spaced-repetition layer is purpose-built for exactly that workflow. We have used every tool below in actual NEET prep — these comparisons are not hypothetical.