There are various apps and platforms that people use to make money online in the USA. However, it's important to note that while some apps provide opportunities to earn money, they may not guarantee substantial income, and success often depends on individual efforts and skills. Here are some types of apps and platforms that people commonly use:

1. Freelance Platforms:
   • Upwork
   • Fiverr
   • Freelancer
2. Survey and Task Apps:
   • Swagbucks
   • Survey Junkie
   • InboxDollars
3. Online Marketplaces:
   • Etsy (for selling handmade or vintage items)
   • eBay (for selling various products)
4. Gig Economy Apps:
   • Uber (for driving)
   • TaskRabbit (for completing tasks)
5. Stock Photography Apps:
   • Shutterstock
   • Adobe Stock (for photographers and graphic designers)
6. Online Tutoring and Education:
   • Chegg Tutors
   • VIPKid (for teaching English)
7. Affiliate Marketing:
   • Amazon Associates
   • ShareASale
8. Content Creation Platforms:
   • Medium Partner Program (for writing)
   • YouTube (for creating and monetizing videos)
9. Remote Work Platforms:
   • Remote.co
   • FlexJobs
10. Cashback and Rewards Apps:
    • Rakuten
    • Honey