General Business ServicesCommunication & Collaboration2MildOwner

Small business owner needs a dedicated phone number for business WhatsApp but has a cheap incompatible phone.

No clear affordable solution for using WhatsApp on a separate number without buying a new phone; alternatives like dual-SIM or virtual numbers are overlooked.

Opp. Score

Severity

2Mild

Willingness to Pay

none

Added

Jun 4, 2026

Workarounds Described

plans to buy a second phone just for WhatsApp

Implied Software Gaps

Affordable multi-account WhatsApp solution without requiring a second device

App Concept

WhatsApp Line Pro

An app that lets you run a second WhatsApp account on the same phone using a virtual number, with separate backup and notification controls. No need for a second phone or SIM card.

Key Features

Add a second WhatsApp number via virtual SIM (VoIP)
Separate chat backup and restore
Custom notification settings per account
Low monthly cost (no physical SIM needed)

Target Users: Solo entrepreneurs and small business owners in any industry who want to separate work and personal WhatsApp on one phone.

Revenue Model: Freemium (basic 1-number free; $4.99/mo for premium features like unlimited messages and cloud backup)

Existing Solutions Mentioned

Samsung J2 (incompatible chip)

Part of App Idea

InboxZen

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