If you are venturing into business automation, you've likely hit the crossroads: Do I use Zapier, the industry giant everyone talks about? Or n8n, the powerful open-source underdog?
For businesses operating in Latin America, where currency exchange rates make software subscriptions notoriously expensive, this decision isn't just about UI/UX. It's about fundamental unit economics.
The Core Difference: Pricing Models
Zapier makes its money by charging you per "task" (every successful action an automation performs). If a client fills a form, you send an email, and update a CRM, that's 2 tasks. Start processing thousands of leads or WhatsApp messages, and Zapier bills can rapidly escalate from $29/mo to $500+/mo.
n8n operates primarily on a self-hosted open-source model (they also have cloud, but self-hosting is where the magic happens for agencies). You pay a flat rate for your own server (DigitalOcean, Hetzner, AWS) around $10 to $20 a month, and you get unlimited executions.
Zapier
n8n
The Verdict for AI Agencies
If you are building an AI automation agency (AIAA) today, n8n is the only logical choice. Why? Because AI workflows—like ChatGPT document reading, chunking, and memory summarization—eat through execution steps rapidly. A single AI conversation loop could cost 10 "tasks" in Zapier. Try scaling a WhatsApp sales bot with that math and your margins will vanish.
Yes, n8n requires you to learn a bit of technical logic (JSON, arrays, minimal Javascript), but the ROI in scalability is unmatched. At digno.ai, our entire infrastructure and all client deliverables are built on n8n.