No ,  that type of apps may not saficiant for neet...you have to get support of any coaching institute... Because classroom coaching is big part of entrance examination..... So my suggestion is that don't use any app for it..if u don't able to join coaching so u can read ncert... It's too saficiant for neet to get 600+...and your hard work must required for it because 600+ out of 720 its not easy to get... My best wishes with u ...good luck

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