The best money-making app 1. Ibotta

The best money-making app 1. Ibotta

How it works: Ibotta lets you earn cash back on in-store and online purchases at over 2,000 supported retailers. Originally for groceries, it has expanded to include clothing, entertainment and eating out, pet supplies and other categories.

2. Rakuten How it works: Rakuten (formerly known as Ebates) rewards shoppers with cash back on purchases from well-known retailers, restaurants and food delivery services. Users can also earn cash back on travel, gift cards and more.

3. Swagbuck How it works: Swagbucks is a cash-back and rewards app. You earn points, called "SB," by shopping online (there are 1,500 participating retailers), taking surveys, watching videos, playing games or fulfilling other tasks through Swagbucks.

4. Fiverr How it works: Fiverr is a freelancing marketplace that features gigs in over 200 categories, such as programming and video and animation.

4. Fiverr How it works: Fiverr is a freelancing marketplace that features gigs in over 200 categories, such as programming and video and animation.

5. Upwork How it works: Upwork connects freelancers to gigs in writing, design, marketing and other categories on the marketplace.

5. Upwork How it works: Upwork connects freelancers to gigs in writing, design, marketing and other categories on the marketplace.

6. OfferUp How it works: OfferUp, which combined with competitor Letgo in 2020, functions as a local marketplace you can use to sell your stuff.

6. OfferUp How it works: OfferUp, which combined with competitor Letgo in 2020, functions as a local marketplace you can use to sell your stuff.

7. Poshmark How it works: The Poshmark app is tailor-made for selling clothes, accessories and even home decor. After signing up, you take or upload photos of your item, fill out a description, price it and share the listing.