FeedbackSpark's answer:
Range of powerful features designed specifically for digital product teams:
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Back Market - the refurbished (super) market
Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Tracksuit - Beautiful, always-on, and radically affordable brand tracking for modern consumer brands. Tracksuit is the new way to measure, understand and communicate the value of brand.
Jotform - Free Online Form Builder & Form Creator
Asklayer - Get real answers from your customers with Asklayers surveys, quizzes, polls and more. Works on any website with zero code and includes enterprise level features such auto-segmentation, user tagging, branching, NPS & CSAT calculation.