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Best Index Business Phone Number Apps

202+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

Out of 202+ index business phone 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.

Top Picks for Index Business Phone Number

Index: Business Phone Number#1

Index: Business Phone Number by Pinger, Inc.

Organize Your Communication
Editor's Choice
💼 Business
3.9😐(377 ratings)
FreeAdsIn-App Purchases
#87in Business
Index: Business Phone Number screenshot 1
Index: Business Phone Number screenshot 2
Index: Business Phone Number screenshot 3
Index: Business Phone Number screenshot 4
Index: Business Phone Number screenshot 5
Index: Business Phone Number screenshot 6

This application helps small businesses enhance customer communication with features like instant auto-reply, texting shortcuts, customer notes, and more. It provides a dedicated business phone number, auto-reply for missed calls, texting shortcuts, and customer data organization for improved customer interactions. Download today for a risk-free 7-day trial.

What We Love

  • 🚀 Great business features
  • 👍 Easy to use
  • 💡 Helpful tools for small businesses
  • 🚀 Streamlines communication

Room to Improve

  • 🐛 Unreliable service and connectivity issues
  • 🔍 Poor customer support
  • 🤔 Confusing migration from Sideline
Sideline: Private 2nd Number#2

Sideline: Private 2nd Number by Pinger, Inc.

Phone Call and Text Number
Strong Contender
🔧 Utilities
4.4😐(15K ratings)
FreeAdsIn-App Purchases
#25in Utilities
Sideline: Private 2nd Number screenshot 1
Sideline: Private 2nd Number screenshot 2
Sideline: Private 2nd Number screenshot 3
Sideline: Private 2nd Number screenshot 4
Sideline: Private 2nd Number screenshot 5
Sideline: Private 2nd Number screenshot 6

Get a second phone number with Sideline and enjoy private texting, contact management, and more. Stay connected with unlimited texting and convenient call features, all in one app. Organize your conversations and never miss an important message.

What We Love

  • 📞 Reliable call quality
  • 💼 Useful for business/work
  • 🔔 Customizable ringtones
  • 📝 Convenient text messaging

Room to Improve

  • 🔥 Frequent app crashes
  • 🔇 Poor call quality/dropped calls
  • 🤖 Unreliable automated features
Second Phone Number - 2Number#3

Second Phone Number - 2Number by BP Mobile LLC

2nd Line for Texts and Calls
Worth Considering
🔧 Utilities
4.5😞(131K ratings)
FreeIn-App Purchases
#32in Utilities
Second Phone Number - 2Number screenshot 1
Second Phone Number - 2Number screenshot 2
Second Phone Number - 2Number screenshot 3
Second Phone Number - 2Number screenshot 4
Second Phone Number - 2Number screenshot 5
Second Phone Number - 2Number screenshot 6

Get a second phone number for private calls and texts with 2Number! Make international calls, hide your real number, and use features like call recording and text messaging. Perfect for online services, dating, and more. Try it now!

What We Love

  • 🚀 Great service
  • 👍 Perfect solution for global business
  • 👍 Reliable and easy to use

Room to Improve

  • 🐛 Glitchy, full of bugs
  • 💰 Expensive with hidden charges
  • 🔒 Lack of privacy and security

More Index Business Phone Number apps to explore

4
Second Phone Number . 2nd Line
Second Phone Number . 2nd Line
Second Phone Number . 2nd Line
Calls & Text On 2Number Phone
Free

Get a second phone number with the "2nd Line" app for making calls and texts separately from your personal number. Stay organized and keep work and personal communication separate effortlessly. Try it now!

💼 Business
(2.8K)
5
Google Voice
Google Voice
Google Voice
Smarter voice calling
Free

"Get a smarter voice calling experience with this app that provides you with a phone number for calls, texts, and voicemail. Stay in control with spam filtering, personalized settings, and easy message management across devices. Enjoy advanced features like voicemail transcription and save on international calling rates. Available for personal Google Accounts in the US and Google Workspace accounts in select markets."

📊 Productivity
(62K)
6
LinkedPhone—Pro Business Line
LinkedPhone—Pro Business Line
LinkedPhone—Pro Business Line
2nd Number—Calls, Texts, Teams
Free

Get a professional second phone line for your business with advanced features like call forwarding, voicemail, and a separate business number, all in one convenient app. Stay connected with clients seamlessly and enhance your professional image.

💼 Business
(180)
7
SmartLine Second Phone Number
SmartLine Second Phone Number
SmartLine Second Phone Number
2nd phone number for business
Free

SmartLine provides a second phone number for your business, ensuring professional communication separation. It offers features like professional call quality, spam call filtering, custom voicemail, and more. Stay organized, set business hours, and manage your business calls efficiently. Get SmartLine now and enhance your business communications.

💼 Business
(44K)
8
Reverse Lookup
Reverse Lookup
Reverse Lookup
Phone number lookup pro.
Free

Reverse Lookup is a free iOS app that provides detailed information about phone numbers, including spam likelihood. Features include finding information on numbers, reporting scammers, and blocking callers. Quickly identify unknown callers before answering.

🔍 Reference
(146K)
9
eVoice – Business Phone Number
eVoice – Business Phone Number
eVoice – Business Phone Number
Virtual Business Phone System
Free

eVoice is a reliable communications solution that provides a second business line accessible through a mobile app, allowing you to connect with customers and colleagues easily. Simplify your communication needs and stay connected on-the-go.

💼 Business
(519)
10
iPlum: Business Phone Number
iPlum: Business Phone Number
iPlum: Business Phone Number
Local,800 Tollfree,HIPAA Phone
Free

Get a second business phone number for your professional needs with features like local, 800 toll-free, and HIPAA compliance in one app. Stay connected and manage your business calls effectively.

💼 Business
(1.7K)
11
NextivaONE
NextivaONE
NextivaONE
Business Phone Calls & Texts
Free

Access a powerful business phone system on the go with our app. Stay connected to your team and clients from anywhere, manage calls efficiently, and streamline communication seamlessly. Download now for increased productivity and convenience.

💼 Business
(6.8K)
12
Quo (formerly OpenPhone)
Quo (formerly OpenPhone)
Quo (formerly OpenPhone)
Business calling and texting
Free

This application provides teams with a comprehensive phone system, offering features like unlimited calling and texting, a lightweight CRM, integration with various platforms, and exceptional customer support. Users can easily manage business communications, keep personal and business numbers separate, and try it for free for 7 days. Get started in minutes with no long-term commitment.

💼 Business
(11K)
13
Ghost - Second Phone Number
Ghost - Second Phone Number
Ghost - Second Phone Number
Private Text & Call
Free

Easily generate temporary phone numbers for enhanced privacy and security with our app. Safeguard your identity, communicate securely, and stay anonymous while enjoying customizable options and seamless integration with popular services.

🔧 Utilities
(6.9K)
14
Phone Reveal
Phone Reveal
Phone Reveal
Reverse Phone Number Lookup
Free

An app that performs reverse phone number lookups to identify callers, supporting US/CA numbers with a 1 country code. Users can help improve accuracy by reporting spam callers. It is free to use, ad-supported, and does not require any personal information or payment details.

🔧 Utilities
(1.8K)
15
Phoner: Second Phone Number
Phoner: Second Phone Number
Phoner: Second Phone Number
Texting & Voice Calling
Free

Get a second phone number and add a layer of privacy with this texting and calling application. Protect your personal information and communicate seamlessly with others without revealing your primary number.

🔧 Utilities
(34K)
16
Hushed: US Second Phone Number
Hushed: US Second Phone Number
Hushed: US Second Phone Number
Private Texting & Calling App
Free

Stay connected with Hushed: US Second Phone Number for private texting and calling. Protect your privacy by using a second phone number for secure communication. Download now for secure and anonymous messaging.

🔧 Utilities
(22K)
17
Corporate Phone
Corporate Phone
Corporate Phone
by Corporate Tools LLC
Free

Stay connected and professional with our secure VoIP phone service – make unlimited calls and texts with a dedicated phone number, manage voicemails with Visual Voicemail, and receive notifications for missed calls and messages. Download now to streamline your corporate communication.

💼 Business
(4.4K)
18
GoDaddy Conversations - Inbox
GoDaddy Conversations - Inbox
GoDaddy Conversations - Inbox
2nd Phone Line + Unified Inbox
Free

An all-in-one inbox app for streamlined communication, bringing messages from multiple platforms into a unified space, ensuring you never miss a sales opportunity. Connects with various messaging platforms like chat, Facebook Messenger, and Instagram for efficient customer management.

💼 Business
(3.8K)
19
Reverse Phone Lookup
Reverse Phone Lookup
Reverse Phone Lookup
Look Up Numbers and Caller ID
Free

Lookup numbers and caller ID easily with a free app that provides detailed information on over 200 million phone numbers, including owners' names, addresses, and more. Identify unknown callers, block spam numbers, and sync contacts for enhanced protection against unwanted calls and scams.

🔧 Utilities
(11K)
20
Second Phone Number 2nd Text
Second Phone Number 2nd Text
Second Phone Number 2nd Text
Caller Phone Call Text Message
Free

Get a second phone number for your iPhone with this app, perfect for separating work and personal calls seamlessly. Keep your communication organized and professional.

🔧 Utilities
(498)

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