“Mailchimp | Daily, weekly or monthly RSS newsletters | Established businesses and marketing teams”
“Supports daily, weekly and monthly RSS campaigns.”
“Supports multiple feeds through feed merge tags.”
“Has reporting for individual RSS campaign sends.”
“Mailchimp for an established marketing environment.”
“One limitation: Mailchimp recommends publishing at least three hours before the scheduled send.”
“Its RSS automation also sends only once per day.”
“MailerLite | Scheduled RSS campaigns with customizable templates | Small businesses and bloggers”
“Connects directly to an existing RSS feed.”
“Lets you choose the frequency and number of articles.”
“Provides drag-and-drop newsletter design.”
“Supports featured images through a WordPress plugin.”
“MailerLite: Good combination of simplicity, newsletter design and scheduled distribution.”
“Its dedicated RSS campaigns are available on paid plans (Comfort and Power).”
“Kit | Individual post emails or scheduled digests, with optional automatic sending | Bloggers, publishers and creators”
“Supports an email for every new post.”
“Can automatically send generated emails or leave them as drafts for approval.”
“Kit if you want more control over whether each article generates an individual email or joins a digest.”
“Kit says new posts can take a few minutes to a few hours to appear in the account.”
“AWeber | RSS-triggered workflows and scheduled newsletters | Straightforward, hands-off automation”
“Supports RSS-triggered workflows.”
“Can send immediately after detecting a new post or according to a custom schedule.”
“Allows you to control how many new posts trigger an email.”
“Includes customizable email templates.”
“It's a particularly straightforward option if you want to automate distribution without building a complex marketing workflow.”
“Buttondown | Individual emails per post or weekly/monthly digests; can also create drafts | Independent writers and technical publishers”
“Can send one email per new RSS item.”
“Supports weekly and monthly digests.”
“Can create drafts instead of sending automatically.”
“It's particularly attractive when you want a simple publishing-oriented newsletter rather than a large marketing automation system.”
“Checks feeds every 30 minutes for new content.”
“ActiveCampaign | RSS-triggered campaigns or RSS content inside other campaigns | Businesses needing more sophisticated automation”
“ActiveCampaign can trigger campaigns when new content appears and can also embed RSS content into regular campaigns.”
“ActiveCampaign for more complex subscriber segmentation and marketing workflows.”
“Campaign Monitor | Recurring RSS-to-email campaigns | Traditional email marketing and branded newsletters”
“Campaign Monitor supports recurring RSS campaigns and uses item identifiers and publication dates to determine which articles have already been sent.”
“Campaign Monitor, for example, uses the RSS guid or Atom id to identify previously sent articles, falling back to the link when necessary.”
“Campaign Monitor for recurring, branded RSS newsletters.”