What are some alternatives?
When comparing Mailtrain and LetsNews.app, you can also consider the following products
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
IMAP API - Self hosted and lightweight daemon application
MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
SendInBlue - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.