The most affordable smartphones include Motorola Moto X4, OnePlus 5T, Refurbished iPhone 7, and HTC U11 Life. Read the customer reviews of these phones on the internet to pick the best smartphone.

The best smartphones should have large memory with at least 4GB RAM, a multi-core (presumably octa-core) processor, More than 4000mAH battery capacity, and a high resolution camera.

The best smartphones can cost anywhere between $300 to $1000. The price range of these smartphones depend on the brand name and technical specifications.

There are some tech websites and consumer review forums on the Internet that can help you with honest reviews on the best smartphones available in the market.

GSMArena, Pocketnow, Android Central, GSM Arena, Pocket now, Google News, Reddit, Cool smartphone and Gizmochina are some of the top smartphone review websites.

Smartphone reviews are helpful as they can help you in deciding which phone to buy as well as give you a technical knowledge from the user experience.