Email marketing is the most cost-effective way to marketing and speak to your users. This makes email the perfect tool to onboard your web and mobile app users. User onboarding with email is super effective and easy to do. Use these email hacks to onboard your mobile app and web app users better.
For more user onboarding hacks for web apps and mobile apps go to http://autosend.io/how-to-onboard-users-email-sms-push/