Dating app suggests woman 'match' with her brother: 'We're suing'

What started as a search for love quickly swiped into a frightful match.

A Pennsylvania brother and sister's desire for companionship has backfired after the pair matched with one another on the dating app Hinge.

Brooke Averick, 24, was mortified to see her younger brother Noah was recommended as her "most compatible" partner on the app.

Hinge offers a function where it will suggest a match, who you possibly haven't come across on the app yet, based on similarities, supposed compatibility, and the prospect of romance.

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Unsurprisingly, the brother-sister duo disagreed with the app's suggestion, documenting the hilarious mishap on TikTok.

In the video, which was been watched more than 2.4 million times, the Avericks declare, "We will be suing Hinge", after they received the recommendation during Thanksgiving lunch with their family.

"Something I'm most thankful for is my 'most compatible with' [section] on Hinge has been updated," Brooke, a preschool teacher, explains in the clip.

The video then cuts to a screenshot of the recommendation, which reads, "Brooke & Noah, we think you two should meet."

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"And we agreed, and we are already spending Thanksgiving together, and it's going well. Let me show you," Brooke says as her brother enters the frame.

She then reveals the uncomfortable reality of the situation: "And here he is, and the fact of the matter is: This is my brother."

Noah pretends to kiss his sister as she pushes him away, jokingly telling him to "stop it" and that his actions are "not funny".

"Hinge's algorithm is specifically designed to introduce you to potential dates who meet your preferences (and whose preferences you meet)," Jean-Marie McGrath, director of Communications at Hinge, previously said of the feature.

"Our members want to get off the app and out on a great first date as quickly as possible. That's our goal too.

"By highlighting our members' 'Most Compatible' on a daily basis, we hope to help them slow down and focus on someone we believe they would enjoy meeting in real life."

Users are asked to answer three questions when building their profile on the app, along with their political views, desires for children and religion, to determine who you will be "paired up" with.

The algorithm Hinge uses is based on the Nobel Prize-winning "Gale-Shapley" algorithm, developed by mathematicians David Gale and Lloyd Shapley.

Still, it seems even a globally acclaimed algorithm couldn't spare the Averick siblings from humiliation, as their video amassed thousands of comments from amused users.

"I'm now convinced I'm single because I'm an only child," one TikTok user joked on Brooke's post.

"Hinge did this to me with my ex-boyfriend and I retired from Hinge immediately," shared another commenter.

Another simply mused: "NO GOD NO."

Contact Bianca Farmakis at bfarmakis@nine.com.au