ASVAB Online Short Practice Test - https://nationalguard.com/practice-asvab 

Pre ASVAB for Apple(Long Practice Test) - https://apps.apple.com/us/app/u-s-army-asvab-challenge/id1496772113 

Pre ASVAB for Android Users(Long Practice Test) - https://play.google.com/store/apps/details?id=com.armygamestudio.usarec.asvab&hl=en_US&gl=US 

Prep/Strategies for ASVAB - https://www.officialasvab.com/counselors-educators/preparing-for-the-asvab/