ConvertKit is a very easy-to-use email marketing tool, “built by creators, for creators”. This somewhat newer tool helps marketers, bloggers, writers take their email lists and grow their business through forms, trackable data and automations. It also has very digestible reporting for subscriber acquisition, an extensive knowledge base and email support.
Customer.io is an email marketing tool that can be used by various different roles within your business including marketers, product managers and of course, growth hackers. Users can send targeted emails to your visitors on your website or to mobile app users depending on their activity. You are notified when they have read your email and/or if they click on one of the links. It also includes A/B Testing capabilities.
The most advanced email marketing services offer custom workflows where you can specify triggers based on actions (such as opening an email or making a purchase) or on inaction (such as ignoring emails). With these services, you can also set up a series of emails (such as tutorials) to be sent to segments of users, and you can pause or stop a campaign at any time. You can also move contacts into new segments once they have completed tutorials.
Using Crystal’s AI email guidance, you can see the most effective writing style, subject line, greeting and call to action to make each message most impactful for the recipient. The best part is you can predict personalities in bulk so you can send hyper-personalized emails en masse, giving your recipients the information they need in the style they want, which will benefit engagement rates, in return. It’s like having a coach for every campaign.

Marketing automation makes it easy for you to follow up with customers and send the right email at the right time to subscribers based on how they are interacting with your website. Some email marketing platforms have basic marketing automation features built-in like the option to send birthday email messages automatically, etc. It’s worth taking some time to figure out the depths of marketing automation you need and your bandwidth for maintaining automation initiatives. These activities can take a big chunk of time to manage.
Sample review: “After using it (Sortd), you’ll be hard-pressed to imagine this tool isn’t going places. Create custom columns, such as ‘To-do,’ ‘Follow Up,’ or ‘FYI’ — the possibilities are nearly endless. Then, when an email comes in, simply drag it to the appropriate column. You can even set reminders, add notes, or change the title of the email. You can also set individual emails to “snooze” so that they are relegated to the bottom of your list until the snooze is over, at which point it pops back up at the top.” — B2B PR Sense Blog
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