Dating app Bumble members banned, posing with guns in their profile pictures, after the killing spree in Parkland, Florida.
The company said it would remove on-screen new and existing photos and images from the app.
However, military and police officers in uniform must show the weapons in your photos.
Bumble said it was “an opportunity to make our platform safer”.
“As mass shootings continue to devastate communities across the country, it is time to clear that gun violence is not in line with our values, nor do these weapons belong to Bumble,” the company said in a statement.
February, 17 people were killed, Marjory Stoneman Douglas High School. Since then, the survivors have laws for stricter weapons in the United States.
Hummels says he has 30 million members worldwide, and the company already employs 5,000 moderators. Now you will filter the photos out, weapons in addition to the nudity, knives, and hatred.
However, photos are displayed on a Bumble-profile from a linked Instagram account will not be screened.
“Online behavior both mirror and predict how people deal with each other in the real world. Bumble has to promote responsibility to our users and a larger goal, accountability offline,” the company said in a statement.
The app is the acknowledged founder Whitney Wolfe flock, that the prohibition of an impact on law-abiding gun owners, hobbyists, and hunters.
“It is a very difficult battle that we have chosen to take on, but I’d rather go this way than to just ignore it,” she told the New York Times.
In addition, the company has donated $100,000 (Â£72,000), the March For Our lives campaign, which was founded by survivors of the Parkland shooting.
“We stand with you, and you take in the work of a violence-free future,” the company said.