The right tool depends on what you are doing, not on who pays the biggest affiliate commission. These comparisons come from running these platforms for clients. If you are not sure what to use, we will tell you straight.
Not sure which platform fits you? Ask us on a free audit. This is one of the things we do for clients, not just write about. Send us your setup and we will tell you honestly where it is stuck.
Get a free auditPick Substack if you are a writer starting from zero with no audience, because its recommendation network can grow a newsletter organically and it is free until you add paid subscriptions.
The best email marketing software depends on the job.
Brevo and MailerLite both have good free plans, but they suit different senders: Brevo allows unlimited contacts but caps you at roughly 300 emails a day, while MailerLite caps you around 1,000 subscribers but lets you send more freely.
Pick ConvertKit (now called Kit) if you are a creator selling a newsletter, course or digital products and want simple tag-based automations you can set up in an afternoon.
Klaviyo is the better choice for an online store where email drives real revenue, because it pulls purchase and browsing data straight from Shopify and similar platforms and lets you build detailed abandoned cart, post-purchase and win-back flows.
Neither wins outright: Instantly suits agencies and teams running volume across many mailboxes, with flat-rate plans that include large or unlimited connected accounts and a built-in warmup network.
The best SMTP server for cold email is the one that tolerates higher bounce and complaint rates without suspending you.
Start with a free audit. We will look at your setup and tell you where your growth is stuck and what we would fix first. No pitch, and the diagnosis is yours to keep.