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Comparison

WhatsApp Business app vs API: which do you need?

Both are Meta products and both are legitimate. The free app is genuinely better for some businesses, and we would rather tell you that than sell you a subscription you do not need. Here is the honest difference.
Both are official Meta productsNo wrong answerSwitch when you outgrow it
MR
Meena Rao
typically replies instantly

The short answer

If one person answers your messages on one phone and you never need to broadcast to more than a couple of hundred people, use the free app. The moment two people need to answer the same number, or you want automation, AI or real campaigns, the app stops being enough and you need the API.

Stay on the Business app if…

  • One person answers everything, on one phone
  • You get a handful of messages a day
  • You do not need to broadcast beyond 256 saved contacts
  • Away messages and a greeting are all the automation you want
  • You would rather spend nothing

Move to the API if…

  • More than one person needs to answer the same number
  • Messages are being missed, or answered twice
  • You want AI to handle the repetitive questions
  • You need to reach thousands of customers, not hundreds
  • You want order updates or reminders sent automatically
  • You want the history to belong to the business, not a handset
Side by side

Every practical difference

Nothing here is a matter of opinion — these are documented behaviours of the two Meta products.

FeatureBusiness appfreeBusiness APIfrom ₹2,000/mo
Price of the software itselfFreePaid platform + Meta's message charges
Who can answerOne phone (plus up to 4 linked devices)Your whole team, from any browser
Usable in the WhatsApp phone appA number on the API leaves the consumer apps. This is Meta's rule for every provider.
Automated repliesAway message & greeting onlyFull automation with conditions and branching
AI answering questions
Broadcast size256 contacts, who must save your numberUnlimited opted-in contacts, no saving required
Message templates
Delivery & read reportingPer chat, manuallyPer recipient, across every campaign
Green tick eligibility
Connect your CRM or store
Chat history if the phone is lostGone unless backed upStored in the platform
Setup effortDownload and goAbout ten minutes through Meta's signup

The one-way door to know about

Moving a number to the API removes it from the WhatsApp phone apps. You can move it back later, but you will lose the API-side history and approved templates for it. Most businesses avoid the question entirely by putting a dedicated number on the API and leaving their personal one alone.

What it costs

The API is not one price

Because Meta provides no interface of its own, the API always involves a platform. Your total is the platform subscription plus Meta's per-conversation charges — and any platform that quotes you only the first number is leaving something out.

  • Platform subscription — ours starts at ₹2,000/month with unlimited team members
  • Meta's conversation charges — billed to you directly, by category and country
  • AI usage, if you use it — prepaid, typically a fraction of a rupee per reply

Try it before you commit

You do not have to guess whether the API is worth it. Sign up without a card, connect a number, and use the whole product for 15 days. If your business genuinely runs fine on the free app, you will find that out in a week and can walk away.

Start the 15-day trial

No credit card required

Questions

Frequently asked

The API itself has no licence fee, but two things cost money: the platform you use to access it (there is no Meta-built interface), and Meta's own per-conversation charges. The free WhatsApp Business app has neither cost — which is exactly why it is the right choice for a one-person business.
No. Once a number is registered on the API it can no longer be used in the WhatsApp or WhatsApp Business phone apps. This is Meta's rule and applies to every provider. Most businesses move a dedicated number to the API and keep a personal one on the app.
Yes, provided it is not already connected to another API provider. The number migrates; chat history from the phone app does not, because that history lives on the device rather than on Meta's servers.
Yes. You can delete the number from your WhatsApp Business Account and re-register it in the phone app, though you will lose the API-side history and approved templates for it.
One primary phone plus up to four linked devices. That works until two people need to reply at once, or until you need to know who said what to whom.
Not really. A broadcast list on the Business app reaches at most 256 people, and only those who have saved your number in their contacts — which most customers have not. API campaigns reach unlimited opted-in contacts with no saving required, and report delivery per person.
More definitions in the WhatsApp glossary.

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