FeedbackSpark's answer:
Range of powerful features designed specifically for digital product teams:
PlaybookUX - PlaybookUX is an affordable user testing and interview software that recruits the right participants, schedules, transcribes and analyzes your research.
Back Market - the refurbished (super) market
Survicate - Collect feedback on your website and find out more about your visitors.
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.
Usabilla Visual Survey - Gather feedback at any stage of the design process.
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.