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Castor vs. the WhatsApp Business App

The WhatsApp Business App is where most D2C sellers already work. Here's what changes, and what doesn't, when an AI agent takes over the repetitive replies.

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What this is: A comparison for sellers currently doing WhatsApp DM automation manually, typing every reply themselves in the WhatsApp Business App, and considering whether an AI agent like Castor is worth adding on top.

What actually changes

Same account, a lot less typing

The WhatsApp Business App gives you quick replies, labels, and a catalogue, useful tools, but every actual conversation still needs a person typing. That works until volume grows past what one or two people can answer instantly, at which point replies slow down and some messages get missed entirely, especially overnight.

Castor connects to the same WhatsApp Business account and takes the repetitive questions, pricing, availability, delivery, off your plate, answering instantly using your real business information. You still see every conversation and can step in whenever you want, the difference is the default response is instant instead of whenever you next check your phone.

CastorWhatsApp Business App alone
Reply speedInstant, 24/7As fast as you are
Handles repetitive questionsyes, automaticallymanually, every time
Captures & structures orders Yesmanual, in chat threads
Works while you sleep or serve customers Yes✕ No
Escalates unusual conversations to you Yesn/a, you see everything
SetupAnswer a few questions, connectNothing to set up, but nothing automated

FAQ

Castor vs. manual WhatsApp FAQ

Do I still use the WhatsApp Business App with Castor?+
Castor connects to a WhatsApp Business account through Meta's official channel and handles the messaging on your behalf. You keep visibility into conversations and can step in any time, you're not locked out of your own account.
What's the actual difference from just replying manually?+
Manual replies through the app are only as fast as you are, and stop when you sleep, eat, or serve an in-person customer. Castor answers instantly, at any hour, using your real business information, and only brings you in for the conversations that genuinely need a person.
Will customers notice they're talking to an agent?+
You set the tone during setup so replies sound like your business, not a generic bot. Most customers care about getting a fast, accurate answer, not about who or what typed it.
Is this only useful for high-volume sellers?+
It helps most once you're getting more than a handful of DMs a day, because that's when repetitive questions start costing real time. Even lower-volume sellers benefit from never missing an overnight message.

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Connect your stack

Integrations

How Castor connects to Instagram, Facebook and WhatsApp DMs and comments.

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Keep your WhatsApp account. Stop typing every reply.

Connect the account you already use and let Castor answer the repetitive questions, free before you pay.

Get Started See how connecting works