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WhatsApp Business app vs the Business Platform (API): the free app suits small businesses replying by hand, while the API powers chatbots, automation and teams. How to choose.
Use the free WhatsApp Business app if you're a very small business answering messages yourself. Use the WhatsApp Business Platform (the API) if you want an AI chatbot, deeper automation, a shared team inbox or connections to other systems, because the app isn't built for those. Business chatbot tools connect to WhatsApp through the API.
The two products have similar names, and plenty of people mix them up. Here's how they differ and how to choose between them.
WhatsApp Business app (the free one)
- A free mobile app for small businesses.
- You reply by hand, with some simple built-in tools like greeting and away messages, quick replies, labels and a catalogue.
- Works on your phone plus a few linked devices, so it suits one person or a very small team.
- No API access, so you can't plug in an AI chatbot or connect it to your own systems.
- A good fit when message volume is low and you're happy answering yourself.
WhatsApp Business Platform (the API)
- Built for automation, AI chatbots and higher volume.
- Lets a team work from the same number through a shared inbox, with conversations passed between the bot and people.
- Connects to chatbots, helpdesks, booking tools and order systems through software that supports it.
- Supports approved template messages for notifications to people who opted in.
- You access it through a provider or Meta's Cloud API, and it's how business chatbot tools connect to WhatsApp.
Which do you need?
If you want a WhatsApp chatbot, automation beyond away messages, replies outside office hours or several people handling chats, you need the Platform. SimplyBoost connects your number to the WhatsApp Business Platform through Meta's official signup, so you don't have to deal with the technical side. See how our WhatsApp chatbot works.
Frequently asked questions
Can I run a chatbot on the free WhatsApp Business app?
Not an AI chatbot, no. The app offers greeting messages, away messages and quick replies, but there's no API to connect a chatbot. For that you need the WhatsApp Business Platform.
Is the WhatsApp Business Platform free?
There's no fee to get access, but Meta charges per delivered template message, depending on the category and country. Replies inside the 24-hour customer service window are free. Your chatbot provider will usually charge a subscription on top. WhatsApp chatbot costs explained.
Can I move my existing number from the app to the API?
Usually, yes. A number can be moved from the Business app to the Platform, and some providers also support using one number in both the app and the Platform. Check the options during signup, because how you manage the number afterwards depends on the route you choose.
Do I need a developer to use the API?
Not if you use a platform like SimplyBoost. It handles the WhatsApp Business Platform connection through Meta's embedded signup, so there's no code to write.
The short version
The free app suits a very small business replying by hand. The WhatsApp Business Platform is for automation, AI chatbots and teams, and any business chatbot tool needs it. Try SimplyBoost's WhatsApp agent free for 7 days.