How are Surveys different from Polls?

Polls are single questions, posted publicly in Slack channels.

Surveys can include multiple questions, and are delivered privately via direct message.

Here is an example of a poll:

Here is an example of a survey:

And here are the differences between polls and surveys, in a bit more detail:

Polls	Surveys
Polls are posted in Slack channels where they are visible to all channel members. Anyone can participate.	Surveys are delivered privately via direct message to each respondent. The survey creator decides who should receive the survey.
A poll has 1 question that everybody votes on.	A single survey can have multiple questions (up to 45).
Results are immediately shown to everyone in the channel.	Responses are only shown to the survey creator, who can then decide to distribute the results.
Users can vote for one or more of the previously set up poll options.	The survey creator decides the “response type” for each question, which can be: Short answer text Single choice Checkboxes
Fully native in Slack. No need for any participant to leave Slack.	Fully native in Slack. No need for any participant to leave Slack.
Polls can be anonymous or not anonymous.	Surveys can be anonymous or not anonymous.
Great for quickly and collaboratively making decisions, and for social use cases that bring teams together.	Great for pulse surveys, for soliciting feedback, and for other use cases that benefit from multiple questions and from respondents not being able to see the results.