Klaviyo vs Flodesk vs Mailchimp: Which One Should an Australian Small Business Use?
Klaviyo if you sell products. Flodesk if you sell services and care how things look. Mailchimp if you are already on it and it is working.
That is the short version, and for most Australian small businesses it is the whole answer. Here is the longer one.
Why you can believe this one
Almost every comparison of these three is written by someone earning commission on one of them. Not a conspiracy, just how affiliate marketing works, and it weights the recommendation before you start reading.
I build in all three and earn nothing from which one you pick. What I have instead is nineteen years of building email, including in-house at Premier Retail Group across Peter Alexander, Portmans and Dotti.
Klaviyo
If you sell products.
Built for ecommerce and it shows. It pulls purchase history, browsing and cart activity straight out of Shopify and turns all of it into triggers. Abandoned cart, browse abandonment, post-purchase, win-back. The pre-built flows work more or less out of the box.
The segmentation is the real reason to use it. You can build an audience of people who bought once, six months ago, in one category, and have not opened anything since. That is the email that earns money, and the other two cannot do it with the same precision.
Cost: free tier for small lists, then from around US$20 a month, scaling with contacts. At ten thousand subscribers, roughly US$150.
Where it hurts: it charges on list size, not on whether that list makes you money. A big quiet list gets punished for existing. The learning curve is real. Budget a weekend, not an evening.
Flodesk
If you sell services and care how things look.
The only one of the three where emails come out looking like your brand without a fight. For a design-led business that matters more than the feature list, because an email that looks like a template undoes some of what you paid a designer for.
The automation covers what most service businesses actually need. Welcome sequences, lead magnet delivery, nurture flows.
Cost: flat rate, around US$38 a month, or roughly US$19 a month paid annually. Same price at five hundred subscribers or fifty thousand.
That flat rate is the most underrated thing in this comparison. If your list grows, and it should, Flodesk is the only one of the three where growth does not come with a bill attached.
Where it hurts: segmentation and reporting are the trade. Shorter integrations list. Run complex behavioural automation and you will find the ceiling.
Mailchimp
If you are already on it and it works.
It gets a rougher time than it deserves, mostly from people who left in 2019 and have not looked since. The Customer Journey Builder handles multi-step automation triggered by Shopify events, and the ecommerce side has improved a lot.
Cost: free tier, then from around US$13 to $20 a month, scaling with contacts.
Where it hurts: it has stopped being the obvious default and has not found a new identity. Not the best at ecommerce, not the best looking, just the most all-round. If you are on it and it works, stay. Choosing from scratch in 2026, I would point you elsewhere.
The Australian bits nobody mentions
All three price in US dollars. Your real cost moves with the exchange rate, and your bank may add two to three percent on top.
GST treatment differs depending on whether you are registered and have an ABN. Worth two minutes with your accountant rather than a guess.
The Spam Act 2003 applies to you, not CAN-SPAM. Every American article on this topic talks about the wrong law. Australian consent rules are stricter than people assume, and implied consent has narrower limits here. Buying a list is not legal and no platform will save you from that.
Time zones. All three default to their own on setup. If a campaign of yours has ever gone out at three in the morning, that is why.
What I would pick for you
Physical products online. Klaviyo.
Service business, list under five thousand. Flodesk.
Service business, big list. Flodesk, more emphatically. The flat rate is worth real money at that size.
Already on Mailchimp and it is fine. Stay. Migrating costs time and risks your deliverability for a few weeks. Move when you have a reason, not because of an article.
Not started yet. Flodesk. Get consistent first, and worry about outgrowing it if you ever do. Most people never do.
The honest summary
The platform matters much less than whether you actually send anything.
I have seen beautifully built Klaviyo accounts sit untouched for eight months, and I have seen businesses do very well out of a plain template and the discipline to send something useful once a fortnight. The second one wins every time.
Pick the one you will actually open. Then go and send something.
