Cheaper alternatives to Mailchimp include Brevo, MailerLite, Omnisend, Flodesk and Shopify Email, and each one trades price for something specific: ecommerce depth, channel coverage, design control or automation flexibility. Every option on that list still bills for volume, so a lower rate on the same undifferentiated sends is a discount rather than a strategy.
We build the autonomous option described at the end of this piece, so read this as informed but interested. The vendor list and the cost trade-offs below are fair to each tool. The reframe at the end is ours.
Mailchimp charges on two axes at once: how many contacts sit in the audience, and how many emails go out to them. A growing store pays more in a month where nothing improved, because the list got bigger, and contacts who have not opened in a year still count against the plan. Stronger automation and testing features sit on upper tiers, so a lean team pays for headroom it never uses.
Worth saying before the list. Mailchimp is the most approachable email tool in the category, the editor and templates are good, the sending infrastructure is mature, and almost every freelancer and agency already knows it. Where email is one channel among several rather than the revenue engine, staying put is defensible. The gap for ecommerce is not the interface but the depth: Shopify data, product-level segmentation and revenue attribution are thinner than in tools built for stores, which is the comparison covered in Klaviyo vs Mailchimp for Shopify.
Three billing shapes are represented above, and they reward opposite behavior. Per-contact pricing punishes list size, so the saving comes from list hygiene. Per-send pricing punishes frequency, so the saving comes from mailing less often. Flat pricing punishes neither, and quietly encourages sending more. Match the shape to how the program actually behaves and the switch pays for itself. Match it wrong and the new bill grows faster than the old one did.
This is where the exercise usually stalls. Every option above lowers the rate on sends that were already going out. The saving is real, and it is capped: it can never exceed the difference between two rates. The number of emails that had no business being sent does not move at all.
That number is the expensive one. A batch to a segment where most recipients had no reason to hear from the brand that day costs more than its postage. It fatigues the list, feeds unsubscribes, and lifts the complaint rate, which raises the real price of every future send including the ones that would have worked. Cutting the rate on those sends is a volume discount. Cutting the sends is a strategy. POV Beauty runs on the second one: 2X fewer emails, same revenue.
On that reading, the cheapest platform is the one that stops sending mail which does not earn its send. That means deciding per shopper rather than per segment, a different loop from the one every tool above runs. Relvino runs Observe → Decide → Act: it reads live behavior, decides whether to contact a shopper at all and with what offer, timing and channel in roughly 80ms, then executes across email, SMS and on-site. There are no flows to build or maintain. The team sets guardrails, including margin floors, quiet hours and brand voice, and 100% of flows run without a human in the loop.
The engine behind each decision is a Large Retail Model trained on 7M+ data points across 10K+ retailers and 1.78M shoppers, so it starts with priors from the category rather than one store’s history. Brands making the switch see 2–6× ROI in 30 days with 80% less spam, and 2× the revenue year over year compared with Mailchimp.
A usable decision rule. If email is a newsletter channel rather than a revenue engine, stay on Mailchimp, because the migration is not worth the disruption. If the list is large and mailed infrequently, Brevo’s per-send shape saves the most. If the priority is a clean, cheap tool for a small store, MailerLite. If design matters more than segmentation, Flodesk. If the store is early and the program is three automations deep, Shopify Email is close enough to free to be the obvious answer. If ecommerce automation is the requirement and price still matters, Omnisend.
One case breaks that list. If the flows are already built, the team is lean, and revenue has flattened while the bill has not, a cheaper tool is not the fix, because the sends stay the same. That is a category question rather than a pricing one. It arrives from the other direction for brands who moved up to Klaviyo instead, where Relvino runs 3–7× cheaper than Klaviyo. The Klaviyo alternative guide works through it, and pricing shows what the autonomous model costs.
By market presence, Constant Contact and Brevo compete with Mailchimp for general small-business email, while Klaviyo is the biggest competitor in ecommerce specifically and takes most of the Shopify brands that outgrow it. For a store, the more useful framing is that all of them run the same model: a marketer builds the segments and the flows, and the tool sends what it is told.
For ecommerce, yes. Omnisend and Klaviyo are both stronger on store data, segmentation and revenue attribution, and Shopify Email is simpler and cheaper for a small catalog. Better depends on the job, and Mailchimp remains a good general newsletter tool. If the goal is lifecycle revenue on Shopify rather than campaign sending, a purpose-built or autonomous system will outperform it.
For a Shopify store, Shopify Email is usually the cheapest credible option, because it is included in the admin with a monthly send allowance before billing starts. MailerLite and Brevo have the strongest free tiers outside that. The catch is that cheapest per send and cheapest overall are different questions: a low rate on a program that mails everyone weekly costs more in unsubscribes and lost deliverability than a higher rate on a program that sends less and earns more.
For ecommerce, Mailchimp, because it has deeper segmentation, better reporting and stronger store integrations. Flodesk wins on design and on flat-rate pricing that does not climb with list size, which is why creators and service businesses like it. Neither is built for the product-level decisioning an eight-figure store needs, which is the comparison drawn in Klaviyo vs Flodesk.
About 30 minutes for the technical cutover: connect DNS, install the Shopify app, and historical store data ingests automatically. Lists and suppressions come across, and flows are switched off rather than rebuilt. Revenue arrives through a 14-day pilot after that, so the sensible sequence is to keep Mailchimp on its current plan rather than cancel it and compare the two side by side.