Best Second Phone Line Number Apps

215+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

Out of 215+ second phone line number apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Second Phone Line Number Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SmartLine Second Phone NumberSmartLine Second Phone NumberFree4.7★ (44K)NoNoSep 2026
22nd Line - Second phone number2nd Line - Second phone numberFree4.6★ (16K)NoYesSep 2026
3Second Phone Number - NumySecond Phone Number - NumyFree4.4★ (76)NoYesSep 2026
42nd Line, Second Phone Numbers2nd Line, Second Phone NumbersFree4.2★ (587)NoYesSep 2026
5Second Phone Number . 2nd LineSecond Phone Number . 2nd LineFree4.8★ (2.5K)NoYesSep 2026
6Second Phone Number | 2nd LineSecond Phone Number | 2nd LineFree4.6★ (388)YesYesSep 2026
7Second Phone Number: 2nd line.Second Phone Number: 2nd line.FreeNoYesSep 2026
8PhoneLine - 2nd Phone NumberPhoneLine - 2nd Phone NumberFreeNoYesSep 2026

Top Picks for Second Phone Line Number

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
2nd Line - Second phone number#2

2nd Line - Second phone number by Patel Sardarben

Calls text.s from 2.nd number
Strong Contender
💼 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 Second Phone Line Number apps to explore

FAQ about Second Phone Line Number

What are the best second phone line number apps for iPhone?
SmartLine Second Phone Number tops our second phone line number apps ranking as of September 2026, with a 4.7-star average from 44K App Store ratings, and it's free to download.
Yes — 20 of the top second phone line number apps we rank are free to download, including SmartLine Second Phone Number and 2nd Line - Second phone number.
SmartLine Second Phone Number has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 215+ second phone line number apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
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.