I get asked this one a lot, mostly by people who already have a list and are outgrowing whatever they started with, so here's how I actually think about ConvertKit vs ActiveCampaign once you get past the marketing pages.
ConvertKit, now rebranded to Kit, was built for one specific person: a creator selling something off the back of an audience, whether that is a paid newsletter, a course, or a handful of digital products. Everything about the interface leans toward writing and sending fast, tagging subscribers based on what they click, and getting out of your way once the automation is set up.
ActiveCampaign grew out of a different problem. It started as marketing automation software for small and mid-sized businesses that needed something closer to a CRM bolted onto email, so it tracks site behavior, scores leads, manages a sales pipeline, and lets you build automations with a lot more branching logic. If ConvertKit feels like a tool a writer would build, ActiveCampaign feels like a tool a marketing team would build.
ConvertKit's free plan is genuinely usable for small lists, and paid tiers scale with subscriber count rather than punishing you for sending often, which suits creators who email multiple times a week. As your list grows into the tens of thousands, the cost climbs, but it climbs in a way that's predictable.
ActiveCampaign rarely offers a real free plan, and its pricing is split across tiers, Lite, Plus, Pro, and up, where the automation features you actually want, like conditional logic, CRM, and site tracking, sit behind the higher tiers. Roughly speaking, ActiveCampaign tends to cost more at every list size once you need the automation depth it's known for, so you're paying for capability, not just contacts.
ConvertKit's automations are visual and easy to read: someone downloads a lead magnet, gets tagged, and drops into a sequence. That's most of what a creator needs, and it's built so you can set it up in an afternoon without documentation.
ActiveCampaign lets you branch on almost anything, purchase history, page visits, email engagement, deal stage in the CRM, and combine those conditions inside a single automation. That depth is genuinely useful if you're running an ecommerce store or a sales-assisted funnel, but it also means there's a real learning curve before you're using it well instead of just poking at it.
Neither platform can fully control where your emails land, and that surprises people who assume a better ESP automatically means better inbox placement. Gmail and other providers look at your sending domain's reputation, how engaged your list actually is, and whether your authentication records are set up correctly, not which company's servers relayed the message.
If your list is full of cold subscribers who never open anything, or your SPF, DKIM, and DMARC records aren't configured right, you'll see the same Promotions tab or spam folder problems on ConvertKit as you would on ActiveCampaign. Worth cleaning your list before you obsess over which platform to pick, see how to clean an email list, and worth checking your authentication is actually right, see SPF, DKIM, and DMARC setup.
If you're a creator monetizing an audience through a paid newsletter, digital products, or affiliate promotions, ConvertKit's simplicity is a feature, not a limitation, and you'll spend more time writing than configuring. If you're running an ecommerce brand, a service business with a sales team, or anything that needs behavioral triggers tied to a pipeline, ActiveCampaign's depth earns its price.
Some people do outgrow ConvertKit and migrate to ActiveCampaign later as their business gets more complex, and that's a fine path too, just budget time to rebuild your automations rather than expecting a clean import.
Yes, ConvertKit rebranded to Kit in 2023. The product is the same tool built for creators, just under a new name.
Roughly speaking, ConvertKit's free and early paid tiers are more generous for small lists. ActiveCampaign rarely has a real free plan and starts charging sooner.
Yes, most platforms let you export your contacts as a CSV and import them elsewhere, but automations, tags, and sequences need to be rebuilt manually since they don't transfer directly.
No. Inbox placement depends on your sending reputation, list hygiene, and engagement, not which ESP you use. A clean list on either platform will outperform a messy list on both.
If your ConvertKit or ActiveCampaign broadcasts are landing in Promotions or spam no matter how good the automation looks, that's a deliverability problem, not a platform problem. I run a free Inbox Scorecard at Unbury that shows exactly where your emails are landing and why, worth a look before you blame the software.