Swappa is one of the best sites to buy second-hand phones. Developed by Ben Edwards in 2010, Swappa has gained popularity among consumers looking to purchase used mobile devices at affordable prices. Swappa offers a wide selection of devices from various brands, including Apple, Samsung, Google, and more. The top resell phone on Swappa is the iPhone, with the iPhone XS Max being one of the most popular models.

What sets Swappa apart from other sites is its strict verification process for sellers and devices, which ensures that buyers receive high-quality and fully functional phones. Additionally, Swappa does not charge any seller fees, which results in lower prices for buyers.

Swappa attracts millions of visitors every month, making it one of the most popular sites to buy second-hand phones in the world.

Founded: 2010
Founder: Ben Edwards
Headquarters: Kansas City, Missouri, USA
Official website: https://swappa.com/

Gazelle is another popular site to buy second-hand phones. Developed by Israel Ganot in 2008, Gazelle offers a wide selection of devices from various brands, including Apple, Samsung, and Google. Gazelle's top resell phone is also the iPhone, with the iPhone XS being one of the most popular models.

Gazelle is known for its easy-to-use interface and quick payment process for sellers. Gazelle also offers a 30-day return policy for buyers, which ensures that they can purchase with confidence. Gazelle attracts millions of visitors every month, making it one of the most popular sites to buy second-hand phones in the world.

Founded: 2008
Founder: Israel Ganot
Headquarters: Boston, Massachusetts, USA
Official website: https://www.gazelle.com/

Amazon Renewed is a popular site to buy second-hand phones from Amazon. Launched in 2017, Amazon Renewed offers a wide selection of devices from various brands, including Apple, Samsung, and Motorola. Amazon Renewed's top resell phone is also the iPhone, with the iPhone XR being one of the most popular models.

What sets Amazon Renewed apart from other sites is its rigorous inspection and testing process for devices, which ensures that buyers receive high-quality and fully functional phones. Additionally, Amazon Renewed offers a 90-day warranty for buyers, which provides peace of mind.

Amazon Renewed attracts millions of visitors every month, making it one of the most popular sites to buy second-hand phones in the world.

Founded: 2017
Founder: Jeff Bezos
Headquarters: Seattle, Washington, USA
Official website: https://www.amazon.com/renewed/

eBay is another popular site to buy second-hand phones. Founded in 1995, eBay offers a wide selection of devices from various brands, including Apple, Samsung, and LG. eBay's top resell phone is also the iPhone, with the iPhone 11 Pro being one of the most popular models.

eBay is known for its bidding system, which allows buyers to bid on devices and potentially get them at lower prices. Additionally, eBay offers a buyer protection program, which ensures that buyers receive their purchased items or get their money back. eBay attracts millions of visitors every month, making it one of the most popular sites to buy second-hand phones in the world.

Founded: 1995
Founder: Pierre Omidyar
Headquarters: San Jose, California, USA
Official website: https://www.ebay.com

Decluttr is a popular site to buy second-hand phones. Developed by Steve Oliver in 2013, Decluttr offers a wide selection of devices from various brands, including Apple, Samsung, and Google. Decluttr's top resell phone is also the iPhone, with the iPhone 8 being one of the most popular models.

What sets Decluttr apart from other sites is its quick and easy payment process for sellers. Decluttr also offers a 14-day return policy for buyers, which ensures that they can purchase with confidence. Decluttr attracts millions of visitors every month, making it one of the most popular sites to buy second-hand phones in the world.

Founded: 2013
Founder: Steve Oliver
Headquarters: Norcross, Georgia, USA
Official website: https://www.decluttr.com

Best Buy Outlet is a popular site to buy second-hand phones from Best Buy. Best Buy Outlet offers a wide selection of devices from various brands, including Apple, Samsung, and Motorola. Best Buy Outlet's top resell phone is also the iPhone, with the iPhone 11 being one of the most popular models.

What sets Best Buy Outlet apart from other sites is that buyers can purchase items online and pick them up in-store, which provides convenience. Additionally, Best Buy Outlet offers a 15-day return policy for buyers, which ensures that they can purchase with confidence.

Best Buy Outlet attracts millions of visitors every month, making it one of the most popular sites to buy second-hand phones in the world.

Founded: 1966
Founder: Richard M. Schulze and Gary Smoliak
Headquarters: Richfield, Minnesota, USA
Official website: https://www.bestbuy.ca/