# Review aggregator

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System that collects reviews of products and services

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A **review aggregator** is a system that collects [reviews](/source/Reviews) and [ratings](/source/Evaluation) of [products](/source/Product_(business)) and [services](/source/Service_(economics)), such as [films](/source/Film), [books](/source/Book), [videogames](/source/Videogame), [music](/source/Music), [software](/source/Software), [hardware](/source/Electronic_hardware), and/or [cars](/source/Car). The system then stores the reviews to be used for supporting a [website](/source/Website) where users can view the reviews, sells information to third parties about consumer tendencies, and creates databases for companies to learn about their actual and potential customers. The system enables users to easily compare many different reviews of the same work. Many of these systems calculate an approximate average assessment, usually based on assigning a numeric value to each review related to its degree of positive rating of the work.[1]

Review aggregation sites have begun to have economic effects on the companies that create or manufacture items under review, especially in certain categories such as [electronic games](/source/Electronic_games), which are expensive to purchase. Some companies have tied royalty payment rates and employee bonuses to aggregate scores, and [stock](/source/Stock_market) prices have been seen to reflect ratings, as related to potential sales.[2][3] It is widely accepted in the [literature](/source/Literature) that there is a strong correlation between sales and aggregated scores.[4]

Due to the influence, manufacturers are often interested in measuring these reviews for their own products. This is often done using a business-facing product review aggregator.[5] In the [film industry](/source/Film_industry), according to [Reuters](/source/Reuters), big studios pay attention to aggregators but "they don't always like to assign much importance to them".[6] [Movie Review Intelligence](/source/Movie_Review_Intelligence) was a review aggregator website, which collated and analyzed movie reviews.[7]

## See also

- [Rating site](/source/Review_site#Rating_site)

- [Review site](/source/Review_site)

## References

1. **[^](#cite_ref-1)** ["About Rotten Tomatoes"](https://www.rottentomatoes.com/about). *Rotten Tomatoes*. Retrieved 15 May 2026.

1. **[^](#cite_ref-wsj_2-0)** Nick Wingfield (20 September 2007). ["High Scores Matter To Game Makers, Too"](https://www.wsj.com/articles/SB119024844874433247). *[The Wall Street Journal](/source/The_Wall_Street_Journal)*. Retrieved 15 February 2008.

1. **[^](#cite_ref-3)** Liam Lacey (26 August 2011). ["The studios wake up to the power of Rotten Tomatoes"](https://web.archive.org/web/20110826142834/http://www.theglobeandmail.com/news/arts/movies/liam-lacey/the-studios-wake-up-to-the-power-of-rotten-tomatoes/article2142069/). *[The Globe and Mail](/source/The_Globe_and_Mail)*. Archived from [the original](https://www.theglobeandmail.com/news/arts/movies/liam-lacey/the-studios-wake-up-to-the-power-of-rotten-tomatoes/article2142069/) on 26 August 2011. Retrieved 24 September 2011.

1. **[^](#cite_ref-4)** Greenwood-Ericksen, Adams; Poorman, Scott R.; Papp, Roy (2013). ["On the Validity of Metacritic in Assessing Game Value"](https://doi.org/10.7557%2F23.6150). *Eludamos. Journal for Computer Game Culture* (1): 101–127. [doi](/source/Doi_(identifier)):[10.7557/23.6150](https://doi.org/10.7557%2F23.6150). [S2CID](/source/S2CID_(identifier)) [59385017](https://api.semanticscholar.org/CorpusID:59385017).

1. **[^](#cite_ref-5)** [*e-Pedia: Captain America: Civil War: Captain America: Civil War is a 2016 American superhero film based on the Marvel Comics character Captain America, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures*](https://books.google.com/books?id=EzckDwAAQBAJ&q=business-facing%2520product%2520review%2520aggregator&pg=PA2021-IA91). e-artnow. 11 February 2017. [ISBN](/source/ISBN_(identifier)) [978-80-268-6088-4](https://en.wikipedia.org/wiki/Special:BookSources/978-80-268-6088-4).

1. **[^](#cite_ref-6)** ["Movie review aggregators popular, but do they matter?"](https://www.reuters.com/article/us-moviereviewsites/movie-review-aggregators-popular-but-do-they-matter-idUSTRE81G1U420120217). Reuters. 17 February 2012. Retrieved 8 January 2019.

1. **[^](#cite_ref-williams_7-0)** [Williams, Joe](/source/Joe_Williams_(film_critic)) (10 August 2010). ["While 3-d falls flat, arthouse movies soar"](https://web.archive.org/web/20121008194550/http://www.stltoday.com/entertainment/movies/joe-williams/article_29d2f3f4-a45e-11df-8c44-00127992bc8b.html). *[St. Louis Post-Dispatch](/source/St._Louis_Post-Dispatch)*. Archived from [the original](http://www.stltoday.com/entertainment/movies/joe-williams/article_29d2f3f4-a45e-11df-8c44-00127992bc8b.html) on 8 October 2012. Retrieved 20 August 2010.

### Bibliography

- Needleman, Rafe (20 September 2006). ["Wize: tallies user feedback"](https://web.archive.org/web/20100817012517/http://reviews.cnet.com/8301-10921_7-6641122.html). *cnet.com*. CBS Interactive. Archived from [the original](https://reviews.cnet.com/8301-10921_7-6641122.html) on 17 August 2010. Retrieved 18 July 2010.

- Needleman, Rafe (19 October 2006). ["Still more reviews aggregators: Retrevo, DigitalAdvisor, and TheFind"](https://web.archive.org/web/20100816192445/http://reviews.cnet.com/8301-10921_7-6654436-4.html). *cnet.com*. CBS Interactive. Archived from [the original](https://reviews.cnet.com/8301-10921_7-6654436-4.html) on 16 August 2010. Retrieved 18 July 2010.

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Adapted from the Wikipedia article [Review aggregator](https://en.wikipedia.org/wiki/Review_aggregator) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Review_aggregator?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.