Free tools
Useful before you build anything.
The calculators work without an account. When the result turns into a research task, you can carry on into the survey builder.
NPS calculator
Calculate Net Promoter Score from promoter, passive, and detractor counts.
Survey sample size calculator
Estimate a sample size from margin of error and optional population size.
Survey duration estimator
Estimate respondent completion time from the kinds of questions you plan to ask.