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Best Work Number App

0+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

SmartLine Second Phone Number is the household name in work number app, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Work Number App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SmartLine Second Phone NumberSmartLine Second Phone NumberFree4.7★ (44K)NoNoSep 2026
2Google VoiceGoogle VoiceFree4.3★ (62K)NoNoSep 2026
32nd Line - Second phone number2nd Line - Second phone numberFree4.6★ (16K)NoYesSep 2026
4Line2 - Second Phone NumberLine2 - Second Phone NumberFree4.4★ (20K)NoYesSep 2026
5NextivaONENextivaONEFree4.1★ (7K)NoNoSep 2026
6WorkMarket by ADPWorkMarket by ADPFree4.7★ (14K)NoNoSep 2026
7Ring4: Second Phone NumberRing4: Second Phone NumberFree4.4★ (2.9K)NoYesSep 2026
8Second Phone Number - 2NumberSecond Phone Number - 2NumberFree4.5★ (134K)NoYesSep 2026

Top Picks for Work Number App

SmartLine Second Phone Number#1

SmartLine Second Phone Number by GoDaddy.com, LLC

2nd phone number for business
Editor's Choice
💼 Business
4.7😞(44K ratings)
FreeIn-App Purchases
SmartLine Second Phone Number screenshot 1
SmartLine Second Phone Number screenshot 2
SmartLine Second Phone Number screenshot 3
SmartLine Second Phone Number screenshot 4
SmartLine Second Phone Number screenshot 5

Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.

What We Love

  • 🚀 Convenient business line
  • 📝 Stores call/text history
  • ⏱️ Ability to set business hours

Room to Improve

  • 🐛 Unreliable text messaging
  • 📞 Missed/dropped calls
  • 🔔 Delayed/missing notifications
  • 🤖 Poor customer support
Google Voice#2

Google Voice by Google

Smarter voice calling
Strong Contender
📊 Productivity
4.3😐(62K ratings)
Free
#32in Productivity
Google Voice screenshot 1
Google Voice screenshot 2
Google Voice screenshot 3
Google Voice screenshot 4
Google Voice screenshot 5

This app provides a dedicated phone number for calls, texts, and voicemail, syncing across devices for seamless use anywhere. It offers advanced spam filtering, call forwarding, and searchable message history. Voicemails are transcribed for easy reading and can be sent to your email.

What We Love

  • 🚀 Excellent service for 20+ years
  • 📞 Free calls and texts with WiFi
  • 🔒 Ability to block/filter numbers
  • 🔍 Helpful for business/privacy needs
  • 🌐 Works well internationally

Room to Improve

  • 🌍 Not available in some countries
  • 🔍 Contacts management issues
  • 🐛 Unstable connection, call drops
  • ⏱️ Slow app performance and lag
  • 🔇 Poor call quality at times
2nd Line - Second phone number#3

2nd Line - Second phone number by Patel Sardarben

Calls text.s from 2.nd number
Worth Considering
💼 Business
4.6😞(16K ratings)
FreeIn-App Purchases
2nd Line - Second phone number screenshot 1
2nd Line - Second phone number screenshot 2
2nd Line - Second phone number screenshot 3
2nd Line - Second phone number screenshot 4
2nd Line - Second phone number screenshot 5
2nd Line - Second phone number screenshot 6

Get a second phone number for calls and texts without needing a new SIM or device. This app provides real US, Canada, and Finland numbers for privacy, business, or personal use. Enjoy features like voicemail, call recording, and international calling.

What We Love

  • 🚀 Easy to set up
  • 💡 Provides second phone number
  • 🔒 Secure service

Room to Improve

  • 🐛 Unreliable service, frequent issues
  • 💰 Expensive, poor value for money
  • 🔍 Invasive ID verification requirements
  • 🔇 Poor customer support

More Work Number App apps to explore

FAQ about Work Number App

What is the best work number app for iPhone?
SmartLine Second Phone Number tops our work number app ranking as of June 2026, with a 4.7-star average from 44K App Store ratings, and it's free to download.
Yes — 20 of the top work number app we rank are free to download, including SmartLine Second Phone Number and Google Voice.
SmartLine Second Phone Number has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
SmartLine provides a dedicated second phone number for your business, allowing you to make and receive calls and texts without revealing your personal number. It ensures you know when a call is for business, offers professional call quality, and helps you manage your communications effectively.
Key features include professional call quality using your cellular connection, a spam call filter, custom voicemail greetings, voicemail-to-text transcription, the ability to set business hours, organized conversation history, and notifications for missed calls and messages.