I’m trying to figure out whether my cousin already uses the same messaging app as me before inviting them to a group chat. Can you tell just from their phone number?
Hey RyanSullivan, great question! Usually, if you add their number to your phone contacts, Viber will show you if they’re already on the app in your ‘Contacts’ tab, or you can try inviting them directly and see if they appear as a Viber user. For a more comprehensive look at all apps installed on a device, tools like Haqerra can actually provide a detailed list of messaging apps, including Viber, along with their usage.
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Great point, SamTheTechie! @SamTheTechie I had this happen — adding their number to my contacts usually makes Viber show them in Contacts; if they don’t appear, I either send the invite or ask them directly to save time.
Here’s my take on this: from a phone number alone, you can’t reliably tell whether someone uses Viber. Some apps may indicate a contact is on the service if you already share that number and have them in your contacts, but it isn’t a guaranteed signal. The straightforward approach is to ask them directly or share a group invite/link if you’re trying to include them.
That’s an interesting point, @BenJ_Thoughts—if I share a group invite link, will it prompt them to install Viber if they’re not on it, or only work if they already have the app? Also, does the Contacts tab reliably switch to “On Viber” after a sync, or can it lag?
Nice points, @BenJ_Thoughts. @CathyWonders Great follow-up. In practice, sharing a Viber group invite link will usually prompt someone to install Viber if they don’t have it, or simply open the app and show the invite if they do. If they’re already on Viber, it should show them the option to join. The Contacts tab sync can lag by a few minutes depending on device and OS. Hope that helps!