"Mobile browsing is increasing around the world, and in some parts, it is commonly the only way people access the internet," Tor said in a blog post Tuesday. "In these same areas, there is often heavy surveillance and censorship online, so we made it a priority to reach these users."
The software is based on Mozilla's Firefox browser , an open-source project anyone can modify. Mozilla and Tor developers have been working more closely together on their two projects in recent years.
Ordinary browsers' private or incognito modes erase records of what websites you visited from your phone or laptop. Tor's approach eliminates records from websites, too. However, using it can cause inconveniences like tests to prove you're not a bot or websites showing up in the wrong language.There's no version of the Tor browser for iOS "due to restrictions by Apple ," Tor said in its announcement. Tor steers iPhone and iPad owners toward a separate app, though, called Onion Browser.
Apple and the Tor Project didn't immediately respond to requests for comment.
Read all of WIRED’s year-end coverage Content delivery network and internet infrastructure provider Cloudflare also launched an onion service in September that makes it easier to access the most secure versions of its client sites on Tor. Through its new setup, Cloudflare helps to extend protections on user anonymity without knowing anyone's identity, even on its own service.
Originally published May 21, 12:50 p.m. PT.
Update, 1:35 p.m.: Adds mention of an alternative for iOS users.
Mentioned AboveApple iPhone XS (64GB, space gray)
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What is Tor? A Beginner’s Guide