What are some alternatives?
When comparing Doodle and Email Studio for Gmail, you can also consider the following products
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
Meekan - Connecting the world's calendars
Google Forms - Simple web forms from Google.
SendLater - Email scheduler for Mac Mail.
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.
If No Reply - Simple email automation that works for Gmail