A multimedia messaging app, where you mainly send photos as messages.
When you sign up, you are required to provide your real name, email, phone number & date of birth.
If you purchase any of their paid services they store your debit or credit card number.
Whenever you send a message via chat and/or message. This is deleted from their servers when the snap or message is opened or expired IF it's not saved by the recipeient in chat or snap memories.
Which filters you view and/or apply to snaps, which stories you watch on Discover, whether you use Spectacles and your search queries.
Timestamp, number of messages, which friends, message interactions, via your message and photo exchanges.
Hardware model, operating system, device memory, advertising identifiers, apps installed, unique device identifiers, browser type, language, battery level and time zone.
How fast your device is moving, via the accelerometers, rotation via gyroscopes, direction via compass, sound via microphones and if you have headphones connected.
Via your phone number, service provider (ISP), IP address and signal strength.
If you allow the Snapchat mobile app access to your address book.
In order to send or upload from your camera roll, Snapchat needs access to your camera and/or photos.
With permission, they can collect precise location using GPS, wireless netoworks, cell towers, Wi-Fi access points, bluetooth, gyroscopes, accelerometers and compasses.