Best Second Phone Business Apps

235+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated October 2026

The best second phone business apps on iPhone average 4.2β˜… across 235+ titles β€” we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Second Phone Business Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google VoiceGoogle VoiceFree4.3β˜… (62K)NoNoNov 2026
2SmartLine Second Phone NumberSmartLine Second Phone NumberFree4.7β˜… (44K)NoNoNov 2026
3Second Phone Number: USSecond Phone Number: USFree4.2β˜… (5)NoYesOct 2026
4Second Phone Number - NumySecond Phone Number - NumyFree4.4β˜… (75)NoYesOct 2026
5Qara: Second Phone NumberQara: Second Phone NumberFree3.9β˜… (16)NoNoNov 2026
6Second Number - Business PhoneSecond Number - Business PhoneFree4.1β˜… (511)NoNoOct 2026
7Second Phone Number - 2nd SIMSecond Phone Number - 2nd SIMFreeβ€”NoYesMay 2026
8Second Phone Number CallingSecond Phone Number CallingFree4.6β˜… (649)NoYesOct 2026

Top Picks for Second Phone Business

Google Voice#1

Google Voice by Google

Smarter voice calling
Editor's Choice
πŸ“Š Productivity
4.3😐(62K ratings)
Free
#36in Productivity
Google Voice screenshot 1
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This app provides a dedicated phone number for calling, texting, and voicemail, syncing across devices. It offers spam filtering, call forwarding, and transcribed voicemails. Enjoy competitive international calling rates and manage messages from anywhere.

What We Love

  • πŸš€ Excellent service for 20+ years
  • πŸ“ž Free calls and texts with WiFi
  • πŸ”’ Ability to block/filter numbers
  • πŸ” Helpful for business/privacy needs
  • 🌐 Works well internationally

Room to Improve

  • 🌍 Not available in some countries
  • πŸ” Contacts management issues
  • πŸ› Unstable connection, call drops
  • ⏱️ Slow app performance and lag
  • πŸ”‡ Poor call quality at times
SmartLine Second Phone Number#2

SmartLine Second Phone Number by GoDaddy.com, LLC

2nd phone number for business
Strong Contender
πŸ’Ό Business
4.7😞(44K ratings)
Free
SmartLine Second Phone Number screenshot 1
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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

  • πŸš€ Convenient business line
  • πŸ“ Stores call/text history
  • ⏱️ Ability to set business hours

Room to Improve

  • πŸ› Unreliable text messaging
  • πŸ“ž Missed/dropped calls
  • πŸ”” Delayed/missing notifications
  • πŸ€– Poor customer support

More Second Phone Business apps to explore

FAQ about Second Phone Business

What are the best second phone business apps for iPhone?
Google Voice tops our second phone business apps ranking as of October 2026, with a 4.3-star average from 62K App Store ratings, and it's free to download.
Yes β€” 20 of the top second phone business apps we rank are free to download, including Google Voice and SmartLine Second Phone Number.
Google Voice has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 235+ second phone business apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.