If the full Student Response System experience is not needed with the TurningPoint or TopHat apps, it is possible to use Canvas for some in-class survey or quiz activity.
The Canvas app for iPhone and Android is free, and will allow students to take a quiz, graded or ungraded, or an anonymous ‘Survey’ under the Quiz area on their mobile device. They could also opt to use a laptop if an app-enabled phone is not available.
A sample view from an iPhone version of the Canvas App
The results in Canvas: