Periscope (Version 1.0.4)

Synopsis of the App
Periscope is Twitter's new live streaming app that allows you to watch anything from street performers in Central Park to a live cooking demo as it happens from anywhere in the world.

RDN Score
4 out of 5

Platform and Price
Free: Apple and Android.


  • Simple user-friendly design.
  • Broadcast live from anywhere directly from your mobile phone.
  • Automatically send a tweet to announce the start of each broadcast.
  • Option to limit broadcasts to a private audience.
  • Save broadcasts to your camera roll to share in other ways, such as YouTube or Instagram.
  • Save broadcasts for replay within 24 hours, or immediately delete broadcasts you don't like.
  • "Heart" or like broadcasts with one tap to show appreciation to the presenters.
  • Interactive! Get immediate feedback by chatting live with your audience as they send comments and hearts your way.
  • Follow your favorite Periscope users to get notifications when they start a new broadcast.
  • Login with your Twitter account so there's no need to create a new account or name. Use your phone number to sign up if you don't have a Twitter account.
  • Browse live and recent broadcasts.
  • Broadcasts can be watched live on the web or via the app.
  • Reach a global audience 24/7.


  • Requires Twitter or surrendering a phone number to use.
  • Limited search functionality.
  • Replays are only available for 24 hours at present.
  • Some broadcasts are "spammy" or irrelevant for professional use.
  • Though you can easily block offenders, the app is rife with trolls who interrupt popular broadcasts.
  • No way to fast-forward or rewind replays.
  • The app needs more options to customize notifications. At the time of this review, you either get all notifications or none.
  • No way to comment on replays.
  • It's addictive.

Bottom Line
Get on it! Periscope is a fun and easy way to broadcast live to the world. With more and more people joining every day, this app may be a social media game-changer. If you want to start vlogging, Periscope is a great way to share your nutrition knowledge, fitness routines, cooking demos and more with an eager live audience.

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Marisa Moore
Marisa Moore, MBA, RDN, LD, is based in Atlanta and specializes in culinary nutrition, communications and consulting. She blogs at Follow her on Instagram and Twitter.