A single official ETS guide book might cost $30, but it only has 4 tests. Magoosh subscriptions start around $150-$200 (often with discounts) for 6 months of access. Considering you get hundreds of questions plus video lessons, the value per practice test is extremely high.
: Combine Magoosh for daily practice + the free TOEFL iBT® Free Practice Test from ETS two weeks before your exam. That blend gives you skill depth and official authenticity. magoosh toefl practice test