If you have a student email, students can sign up for acorns for free. Otherwise it’s a $3/month subscription. If you have people you can invite, you can make plenty of money off of their promotions. They’re currently running a promotion where if you invite 4 people and they begin investing by 7/22, you’re rewarded $900. Other than their promotions, the invitee and inviter get $5 Each for investing every time a referral link is used. This app is the easiest in best investing app that I’ve found. They do all the work and research for you.