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Best Second Line Business Apps

223+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

Whether you're new to second line business or looking for an upgrade, our curated collection of 223+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Second Line Business Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Second Number: 2nd Line PhoneSecond Number: 2nd Line PhoneFree—NoYesAug 2026
2SmartLine Second Phone NumberSmartLine Second Phone NumberFree4.7★ (44K)NoNoAug 2026
3Second line: 2nd Phone Number・Second line: 2nd Phone Number・Free4.6★ (198)NoYesAug 2026
4Second Line Calling/TextingSecond Line Calling/TextingFree4.2★ (2K)NoYesAug 2026
52ndLine - Second Phone Numbers2ndLine - Second Phone NumbersFree—NoYesAug 2026
6Second Phone Number . 2nd LineSecond Phone Number . 2nd LineFree4.8★ (2.5K)NoYesAug 2026
72nd Line - Second phone number2nd Line - Second phone numberFree4.6★ (16K)NoYesAug 2026
8Inovo: Second Phone NumberInovo: Second Phone NumberFree—NoYesAug 2026

Top Picks for Second Line Business

SmartLine Second Phone Number#2

SmartLine Second Phone Number by GoDaddy.com, LLC

2nd phone number for business
Strong Contender
💼 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
Second line: 2nd Phone Number・#3

Second line: 2nd Phone Number・ by IAPPTECHNOLOGIES LLP

Calls,Text me now from 2ndline
Worth Considering
💼 Business
4.6(198 ratings)
FreeIn-App Purchases
Second line: 2nd Phone Number・ screenshot 1
Second line: 2nd Phone Number・ screenshot 2
Second line: 2nd Phone Number・ screenshot 3
Second line: 2nd Phone Number・ screenshot 4
Second line: 2nd Phone Number・ screenshot 5
Second line: 2nd Phone Number・ screenshot 6

Obtain a secondary U.S. or Canadian phone number for calls and texts without needing an extra SIM card. Protect your personal number while communicating for various needs, including business, dating, or side projects. Manage multiple numbers easily and enjoy affordable international communication.

More Second Line Business apps to explore

4
Second Line Calling/Texting
Second Line Calling/Texting
Second Line Calling/Texting
Add a 2nd phone number
Free

Add a second phone number to your device for private texting and calling. Protect your personal number from spam and unwanted calls when dating, selling online, or for any project. Easily manage multiple numbers and contacts within the app.

Add a second phone numberKeep personal number privateUnlimited texts and calls (premium)
🌐 Social Networking
(2K)
free with in-app purchases
5
2ndLine - Second Phone Numbers
2ndLine - Second Phone Numbers
2ndLine - Second Phone Numbers
Multiple Numbers, One App
Free

Manage multiple phone numbers on a single device for enhanced privacy and global connectivity. This app offers crystal-clear calls and swift SMS services with an intuitive interface, perfect for professionals and individuals seeking streamlined communication.

Multiple numbers on one deviceEnhanced privacy for primary numberGlobal connectivity with international numbers
🔧 Utilities
(0)
free with in-app purchases
6
Second Phone Number . 2nd Line
Second Phone Number . 2nd Line
Second Phone Number . 2nd Line
Calls & Text On 2Number Phone
Free

Get a private and secure virtual phone number for calls and texts without needing a new SIM card. Manage multiple lines with unique settings, voicemail, and call recording. Ideal for travelers, expats, and anyone needing to keep their primary number private.

Virtual phone numberPrivate and secure calls/textsMultiple lines management
💼 Business
(2.5K)
free with in-app purchases
7
2nd Line - Second phone number
2nd Line - Second phone number
2nd Line - Second phone number
Calls text.s from 2.nd number
Free

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.

Second phone numberUS, Canada, Finland numbersCall and text
💼 Business
(16K)
free with in-app purchases
8
Inovo: Second Phone Number
Inovo: Second Phone Number
Inovo: Second Phone Number
Virtual Phone Number, 2nd line
Free
🔧 Utilities
(0)
9
2nd Line Second Phone Number ◎
2nd Line Second Phone Number ◎
2nd Line Second Phone Number ◎
Texting SMS and Voice Call Now
Free

This app provides a private second phone number for calls and texts without needing an extra SIM card. It offers unlimited texting and calling, custom numbers for various uses, and cost-effective international communication. Protect your privacy and manage multiple lines easily on your iOS device.

Multiple virtual phone linesCustomizable phone numbersPrivacy protection
🔧 Utilities
(1.5K)
free with in-app purchases
10
Second Phone Number ™ 2nd Line
Second Phone Number ™ 2nd Line
Second Phone Number ™ 2nd Line
Second line for calls & texts
Free

Obtain a secondary phone number for calls and texts without a new SIM card. This app provides a private line for business or personal use, masking your primary number. It offers flexible subscription or one-time purchase options with included credits.

Instant second phone numberSeparate line for calls and textsMasks personal number for privacy
💼 Business
(5.1K)
free with in-app purchases
11
Virtual numbers / Second line
Virtual numbers / Second line
Virtual numbers / Second line
Phone numbers / Calls & SMS
Free

Obtain international mobile numbers for various countries directly on your device without changing SIM cards. Make and receive calls and texts globally at competitive rates, ideal for separating personal and professional life or online registrations.

International mobile numbersGlobal calls and SMSOnline registration
📊 Productivity
(17)
free with in-app purchases
12
Second Phone Line Ninja Number
Second Phone Line Ninja Number
Second Phone Line Ninja Number
Business Call Auto Forward
Free

This app provides a separate business phone number to manage professional communications. It features AI-powered auto-replies, visual voicemail, and call analytics to streamline operations. Teams can collaborate on calls and texts, with an option for live operator support.

Separate business and personal callsAI-powered auto-reply for texts and voicemailsCloud-powered visual voicemail
💼 Business
(169)
subscription
13
2nd Line, Second Phone Numbers
2nd Line, Second Phone Numbers
2nd Line, Second Phone Numbers
Calling, Recording and Texting
Free

Get unlimited local phone numbers for texting and calling on your existing device. Manage multiple numbers for dating, business, or personal use without needing extra phones or SIM cards. Features include call recording and automatic replies.

Unlimited talk and textLocal phone numbers from any stateUnlimited call recording
🌟 Lifestyle
(587)
subscription
14
Second Phone Number - Dou Line
Second Phone Number - Dou Line
Second Phone Number - Dou Line
WiFi Call + Text，Just Chat Now
Free

Obtain a secondary phone number for calls and texts without needing a new SIM card. Manage multiple numbers for personal or business use, ensuring privacy and flexibility. Enjoy high-quality calling, unlimited messaging, and international communication features.

Get a second phone number instantlyChoose from 300+ area codesHigh-quality calls and unlimited SMS/MMS
🌐 Social Networking
(26)
free with in-app purchases
15
2nd Phone Number, Second Line
2nd Phone Number, Second Line
2nd Phone Number, Second Line
Virtual sim for text and call
Free

Get a second phone number for texting and calls. Organize personal communications with a virtual SIM, send unlimited texts, and customize voicemail. Manage chats across devices with features like Auto-Reply and reminders.

Get a second phone numberChoose a local area codeSend unlimited SMS texts
💼 Business
(204)
subscription
16
Second Phone, 2nd Call Number
Second Phone, 2nd Call Number
Second Phone, 2nd Call Number
2 Line Calls - Calling App
Free

Instantly set up a second phone number on your device without needing an extra SIM card. This app provides a private line for personal calls, contact management, and business needs, protecting your main number's privacy.

Virtual second phone numberNo additional SIM card requiredPrivate line for calls
💼 Business
(9)
free with in-app purchases
17
ExtraLine: New Second Number
ExtraLine: New Second Number
ExtraLine: New Second Number
Extra Line Second Phone Number
Free
💼 Business
(0)
18
2nd Line Second Phone Number
2nd Line Second Phone Number
2nd Line Second Phone Number
Private & Cheap Calls / Texts
Free

Obtain a secondary phone number for private calls and texts without revealing your personal identity. Make and receive calls and messages locally or internationally using an internet connection. This service offers flexible plans and pay-as-you-go credit options for usage.

Private secondary phone numbersAnonymous registrationLocal and international calls/texts
💼 Business
(4)
free with in-app purchases
19
Text & Call - Second Number
Text & Call - Second Number
Text & Call - Second Number
Unlimited Call And Texting App
Free

Get a new local phone number to protect your privacy and separate your personal and professional life. Enjoy unlimited texting, calling, and MMS with this app, which provides multiple anonymous numbers without needing an extra SIM card.

Create new local phone numbersUnlimited texting and callingMultiple anonymous numbers
🌐 Social Networking
(263)
free with in-app purchases
20
Second Phone Number - Numy
Second Phone Number - Numy
Second Phone Number - Numy
2nd Line for Calls, Texts, SMS
Free

Get a second phone number for calls and texts without a physical SIM card. Keep your personal number private for business, online privacy, or travel. Enjoy flexible plans and high-quality VoIP calls over Wi-Fi or mobile data.

Get a second phone numberChoose local or international numbersReceive SMS and verification codes
💼 Business
(76)
free with in-app purchases

FAQ about Second Line Business

Are there free second line business apps for iPhone?
Yes — 20 of the top second line business apps we rank are free to download, including Second Number: 2nd Line Phone and SmartLine Second Phone Number.
Second Number: 2nd Line Phone has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 223+ second line business apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.