SendInBlue 9,000 emails per month (daily limit of 300) for an unlimited number of subscribers. You can have a maximum of 2,000 subscribers in your automated campaigns at any time. A good range of advanced autoresponders is offered on the free plan, including welcome, anniversary, page visits and ecommerce (such as product purchase or abandoned cart). You also get an allowance for free transactional emails. SMS can also be added for an extra cost. (Full review)
ONTRAPORT’s mission is to “support entrepreneurs in delivering their value to the world by removing the burden of technology.” It aims to do this by allowing companies to get a complete visualization of the customer journey. Knowing that many small businesses struggle to gain a clear understanding of how their marketing efforts are paying off, ONTRAPORT is built to help them see how customers respond to messages — via SMS, email, postcards, and landing pages — through data. This information, in turn, can be used to build compelling campaigns within the platform.

The attention for and growth of the marketing automation market is driven by several evolutions in the ways people inform themselves and buy. The shift from selling to buying, along with the advent of several new digital channels, used by consumers and B2B buyers, keeps impacting the marketing automation industry and the adoption of marketing automation by organizations. However, the best is yet to come.


SendPulse is a versatile platform that offers not only email, but also web push notifications, SMS, Viber and transactional emails. It’s no surprise then that they’d also include autoresponders as part of its offering. These are available to use on SendPulse’s free plan, which allows for 15,000 emails per month for up to 2,500 subscribers. Impressive!
MailChimp 12,000 emails per month (daily limit of 2,000), for up to 2,000 subscribers. MailChimp’s autoresponder range is comprehensive. It includes basic autoresponders (welcome, date-based, RSS etc), as well as more advanced options (e.g. ecommerce, tag-based). The main drawback – their autoresponder editor isn’t the easiest to use. (Full review)
Customer.io is great for two kinds of uses: 1. Companies that are looking to get started with marketing automation and appreciate a lightweight UI (i.e. not your typical enterprise software) and 2. Companies that are looking for some more advanced functionality that requires flexibility and customization, and are willing to devote the developer resources to implement it. We happen to fall into the second category, which is why we chose Customer.io for our marketing automation needs at Woopra.
Infusionsoft is a fully functional CRM and marketing solution created for small and medium-size businesses. Comparing it to Mailchimp or AWeber is like comparing a Lamborghini to a VW Golf. It provides highly advanced features for list segmentation, lead scoring, and marketing automation. On top of all that, you can integrate all of these features with your optin form using Infusionsoft Tags + OptinMonster.
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