The app offers 10 or more free multiple-choice questions with explanations for 11 different Certified Nurse Specialist certification. Each specialty offers additional questions which are available as an in app purchase. The following specialties are available:

ACLS
PALS
CNS-Adult Health
CNS-Adult Psychiatric Health
CNS-Child/Adolescent Psych
CNS-Diabetes Management
CNS-Adult-Gerontology
CNS-Home Health
CNS-Pediatric
CNS-Public Community Health
CNS-Oncology

Detailed pictures are available for some questions. Explanations are linked to additional online references and can be accessed via the more button on the explanation page.

Missed questions are retained in the question pool and displayed again until you get them correct on the first attempt.

Statistics are generated and include a list of keyword topics missed. These keyword topics will enable you to determine what areas need further study.

Repeat all questions as many times as you wish.