Which email automation software is best for Shopify stores in Australia?

Klaviyo is the strongest fit for most Australian Shopify stores doing over $30,000 a month in revenue, because its native integration pulls in product and purchase data that other platforms only get through workarounds. For stores under that revenue level with simple needs, Omnisend is a solid cheaper alternative.

Is Mailchimp good enough for e-commerce in 2026?

Mailchimp works for very small stores sending occasional newsletters, but its Shopify integration is shallow and its automation builder lags well behind Klaviyo and Omnisend. Most stores outgrow it within twelve months once they start relying on behavioural flows.

How much does Klaviyo cost for an Australian store?

Klaviyo's pricing is based on number of contacts, not revenue. A store with 5,000 contacts pays roughly $60 to $70 AUD a month, scaling up as your list grows. Most stores find the cost pays for itself within the first month once flows are built properly.

Best Email Automation Software for Australian E-Commerce Brands (2024 Comparison)

Picking email software by "which one has the nicest dashboard" is how brands end up paying for three platforms in eighteen months. We've migrated enough Australian stores off Mailchimp and onto Klaviyo to know the pattern: wrong tool, months of workarounds, then a rebuild that costs more than getting it right the first time.

This comparison is built for one job: e-commerce automation that actually drives revenue. Not newsletters. Not "email marketing" in the generic sense. Abandoned cart, post-purchase, browse abandonment, win-back, the flows that run while you sleep and get credited with 25-30% of total email revenue in a well-run store.

The Five Platforms, Head to Head

Klaviyo

Built for e-commerce from day one. The Shopify integration pulls in every product view, cart addition, purchase, and refund in real time, which means your flows can trigger on actual behaviour rather than a rough approximation of it.

Automation depth is the strongest in the category. You can branch flows based on product category, customer lifetime value, predicted next order date, or whether someone's a first-time buyer versus a repeat customer. Segmentation is genuinely granular, not just "opened in last 30 days."

Pricing (AUD) scales with contacts, not revenue. Roughly $25-30/month for 1,000 contacts, $60-70/month for 5,000, and it climbs from there. No cap on sends, so a highly engaged small list costs less than a large disengaged one.

Deliverability is solid, helped by the fact Klaviyo actively encourages list hygiene rather than letting you email everyone forever.

Support is US-based with limited overlap for Australian business hours, though the help centre and community are thorough enough that most issues get resolved without a live conversation.

Mailchimp

Started as a newsletter tool and it shows. The Shopify integration is functional for basic syncing but doesn't support the depth of behavioural triggering that Klaviyo does. Automations exist but the builder feels bolted on rather than native.

Pricing (AUD) looks cheap at entry ($20-25/month) but escalates fast once you cross a few thousand contacts, and you're paying for a platform that wasn't designed for what you're using it for.

Support timezone coverage is poor for Australian hours, and Mailchimp has been steadily reducing support access on lower tiers.

Fine for a side project. A liability for anything doing six figures a year.

Omnisend

The budget-conscious e-commerce option, and a genuinely decent one. Shopify integration is solid, pre-built automation templates cover the essentials (cart abandonment, welcome series, post-purchase), and it includes SMS in the same platform, which is handy if you're not ready to run a separate SMS tool.

Pricing (AUD) undercuts Klaviyo meaningfully, especially at lower contact volumes, sitting around $20-25/month for similar list sizes.

Where it falls short: automation capabilities flatten out once you want complex branching logic or predictive segmentation. It's the right tool for a store doing $10-30k/month that needs the fundamentals covered without a big spend. It's the wrong tool once you're trying to squeeze incremental revenue out of an already-solid program.

Drip

Marketed heavily at e-commerce but with a smaller Australian user base, which matters for finding local expertise when something breaks. Automation builder is capable and the visual workflow editor is genuinely good.

Pricing (AUD) is competitive with Klaviyo but the platform has had ownership and support changes in recent years that make longevity a fair question to ask before committing.

ActiveCampaign

The odd one out here because it's not primarily an e-commerce platform. It's a CRM-meets-email tool built for service businesses running complex sales pipelines: lead scoring, deal stages, sales rep notifications, and multi-step nurture sequences tied to a CRM.

If you're a consultancy, agency, or B2B SaaS running an email program to book calls and move deals through a pipeline, ActiveCampaign is a legitimate contender, arguably a better one than Klaviyo, which is built around product and cart data you don't have.

Pricing (AUD) starts around $35-40/month and scales with contacts and features (CRM, sales automation) rather than pure email volume.

Benchmark: stores that migrate from Mailchimp to Klaviyo and rebuild their core flows properly typically see a 20-40% lift in email-attributed revenue within the first 90 days, mostly from better cart recovery and post-purchase targeting.

Deliverability: The Criteria Nobody Compares Properly

Every platform will claim strong deliverability. What actually matters is whether the platform helps you avoid the mistakes that tank it: sending to unengaged contacts, weak authentication setup, and no sunset process for dead addresses.

Klaviyo and Omnisend both nudge you toward hygiene practices by default. Mailchimp lets you keep emailing a disengaged list indefinitely, which is exactly how inbox placement quietly degrades over six months without anyone noticing until open rates crater.

Decision Matrix

Small store, under $10k/month revenue, limited technical resources: Omnisend. Cheaper, easier to set up solo, covers the essential flows without needing a specialist.

Growing e-commerce store, $30k-500k/month, wants to scale email as a revenue channel: Klaviyo, no contest. The integration depth and segmentation options pay for the higher price tag many times over.

Service business selling expertise, not products, running a sales pipeline: ActiveCampaign. Klaviyo's product-data strengths are wasted on a business without a shopping cart.

Established brand with an agency or in-house specialist managing email: Klaviyo. At this stage the platform's ceiling matters more than the entry price, and Klaviyo's ceiling is the highest in this list.

We've written a deeper breakdown if you're specifically weighing Klaviyo against Mailchimp for a migration decision, plus a guide on how to calculate the ROI of switching platforms before you commit budget to it.

The Honest Take

For serious e-commerce brands, Klaviyo wins. Not because it's trendy, but because the integration depth means your flows are built on real customer behaviour, not a rough sync that updates twice a day.

The catch: Klaviyo rewards a properly built account and punishes a lazy one. A default welcome flow and an unfinished abandoned cart sequence will underperform a well-built Omnisend account every time. The platform is only as good as the setup.

If you're not sure whether your current platform, or your current setup on the right platform, is earning what it should, run the free email program audit. It takes ten minutes and tells you exactly where the money's sitting unclaimed. And if you'd rather have someone build it properly the first time, get in touch.