WhatsApp Business multiple users: one number on multiple phones and devices

Can WhatsApp Business be used on multiple phones?

Yes. The WhatsApp Business app lets you link up to 4 devices to one account. A linked device can be a second phone, a tablet, a computer with WhatsApp Web, or the desktop app. All devices use the same business number and show the same chats. Your main phone stays the primary device: if it is not used for about 14 days, the linked devices are logged out.

How to use WhatsApp Business on two phones

1. On the second phone, install the WhatsApp Business app. Do not register your number on it.
2. Open the app on the second phone and choose the option to link it to an existing account (on Android it is in the menu at the top right of the welcome screen). A QR code appears.
3. On your main phone, open WhatsApp Business, go to Settings (iPhone) or the menu (Android), then Linked devices and Link a device.
4. Scan the QR code on the second phone. Your chats sync and the second phone works with the same number.

The same steps work for a tablet. For a computer, open web.whatsapp.com or the desktop app and scan the code shown there. To remove a device later, open Linked devices on the main phone and log it out.

WhatsApp Business multiple devices: what to know first

• Everyone sees everything. A linked device shows all chats, all contacts and their numbers, not only the customers you want that person to handle.
• No assignment. Nobody can see who is handling which chat, so two people may answer the same customer, or nobody does.
• Maximum 4 linked devices. For a larger team you need the Business API.
• Removing access is manual. When someone leaves, log out their device yourself.

WhatsApp Business multiple users on the same number: how many?

With the free app, one account can be used by at most 5 people at the same time: whoever holds the main phone plus up to 4 linked devices. There are no user accounts, roles or permissions inside the app. Every device logs in to the same account, so there is no separate admin, no list of agents and no record of who sent which reply. The person with the main phone is in practice the admin: only that phone can link and remove devices.

Can a WhatsApp Business account be shared, then? Yes, but only as one shared login. Never share the SMS verification code or move the number to another phone to give someone access: that logs out the main phone. Use Linked devices instead.

Multiple WhatsApp Business accounts: when you need a second number

Multiple users is not the same as multiple accounts. Each WhatsApp Business account needs its own phone number. You need a second account when you want separate numbers, for example one for sales and one for service, or one per branch. On many phones you can add a second account in the app settings, or use a dual-SIM phone. Two accounts still means two separate inboxes and two numbers for customers to remember. If the goal is that a coworker answers some customers, one number with linked devices or forwarding is usually simpler. More on that in second WhatsApp number or forwarding.

For a small office where everyone may read everything, linked devices are free and fine. For field workers who should only get customer questions, there are three options for multiple users on one number.

Option 1: linked devices

Free, up to 4 extra devices. Every employee sees every chat, every phone number and the history. Fine for a small office where everyone may see everything. Read exactly what you share with WhatsApp Web.

Option 2: WhatsApp Business API via a platform

Platforms such as Trengo, Superchat and Bird offer a team inbox for many users. They require Meta business verification, often a new number or a number migration, and charge a monthly platform fee plus Meta's per-message fees. A good fit for support teams with 5 or more agents.

Option 3: InBetween

No new number, no API. Your existing number stays, customer messages go automatically to the person doing the work, and replies go back from the business number. The coworker only sees customer messages, not your other chats. 30 days free, then free Basic or €87 / €142 per month.

How it works, in 3 steps

1. Create an account at app.in-between.tech with your email address and a password. No card needed.
2. Connect WhatsApp: scan the QR code or enter the pairing code, exactly like WhatsApp Web. Your phone keeps working as normal.
3. Enter your coworker's number. From then on every customer message reaches your coworker. When they reply, the answer goes back to the customer from your business number.

Photos, locations, voice notes and documents come along. With Pause you stop forwarding temporarily, for example in the evening. Messages wait until you switch it back on.

Frequently asked questions