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Twitter Rival Mastodon Finally Gets an Android App

The decentralized social network expands its reach amid a flurry of sign-ups from Twitter users opposed to Elon Musk's takeover bid.

 & Michael Kan Principal Reporter

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Decentralized social network Mastodon is finally available on Android.

The Android app arrives as Mastodon is trying to pull users away from rival Twitter, which is facing a hostile takeover bid from Tesla CEO Elon Musk. 

For years, Mastodon, a nonprofit project, lived solely on the web. Last year, it launched an iOS app, and now its reach extends to Google's mobile OS, too. The app is available to download from the Google Play Store, and is also designed to make it easy for new users to better understand how Mastodon works. 

Although Mastodon functions a lot like Twitter, it operates as a decentralized social network made up of individual servers with their own rules on content moderation. Users can pick and choose which server they’d like to join. But for now, the app doesn’t seem to support local or federated timelines, which are available on the web version.

The other drawback facing Mastodon is the relatively small user base. Founder Eugen Rochko estimates there are about 3.5 million users across Mastodon’s network, with over 250,000 monthly active users. Twitter, on the other hand, has 217 million daily active users. 

Nevertheless, Mastodon says it’s seen an increase in new users after Musk announced his intention to buy Twitter. If he's successful, Musk plans on pushing Twitter to focus on free speech and transparency. 

“I do think that we want to be, just very reluctant to delete things. Just very cautious with permanent bans. You know, time-outs would be better than some permanent bans,” Musk said in a TED talk last week.

About Our Expert

Michael Kan

Michael Kan

Principal Reporter

My Experience

I've been a journalist for over 15 years. I got my start as a schools and cities reporter in Kansas City and joined PCMag in 2017, where I cover satellite internet services, cybersecurity, PC hardware, and more. I'm currently based in San Francisco, but previously spent over five years in China, covering the country's technology sector.

Since 2020, I've covered the launch and explosive growth of SpaceX's Starlink satellite internet service, writing 600+ stories on availability and feature launches, but also the regulatory battles over the expansion of satellite constellations, fights with rival providers like AST SpaceMobile and Amazon, and the effort to expand into satellite-based mobile service. I've combed through FCC filings for the latest news and driven to remote corners of California to test Starlink's cellular service.

I also cover cyber threats, from ransomware gangs to the emergence of AI-based malware. In 2024 and 2025, the FTC forced Avast to pay consumers $16.5 million for secretly harvesting and selling their personal information to third-party clients, as revealed in my joint investigation with Motherboard.

I also cover the PC graphics card market. Pandemic-era shortages led me to camp out in front of a Best Buy to get an RTX 3000. I'm now following how the AI-driven memory shortage is impacting the entire consumer electronics market. I'm always eager to learn more, so please jump in the comments with feedback and send me tips.

The Best Tech I've Had:

  • My first video game console: a Nintendo Famicom
  • I loved my Sega Saturn despite PlayStation's popularity.
  • The iPod Video I received as a gift in college
  • Xbox 360 FTW
  • The Galaxy Nexus was the first smartphone I was proud to own.
  • The PC desktop I built in 2013, which still works to this day.

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