Google Customer Reviews
3,200 websites

Google Customer Reviews is free to use

http://www.google.com/trustedstores

The Google Trusted Stores program helps you identify online stores that deliver a good experience. When you buy from a Google Trusted Store you can choose free purchase protection from Google.

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REVIEWS
3,335 websites

REVIEWS costs money

https://www.reviews.io/

REVIEWS allows you to collect reviews from your customer on both your company and the products you sell. Your reviews will then be displayed on next to your company in Google.

Market Share by Top Websites

2 Google Customer Reviews is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 REVIEWS has better usage coverage in more websites categories. Including Lifestyle, Business & Consumer Services, Food & Drink, Health and 8 other categories.

2 Google Customer Reviews is leading in Home & Garden, Computers Electronics & Technology, E-commerce & Shopping, Vehicles and 6 other categories.

Geography

1 REVIEWS is leading in most countries, including United Kingdom, Germany, Australia, India and 54 other countries.

2 Google Customer Reviews is leading in United States, France, Japan, Canada and 37 other countries.