Best Business Phone System Admin Apps

0+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated July 2026

Whether you're new to business phone system admin or looking for an upgrade, our curated collection of 0+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Business Phone System Admin Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Quo (formerly OpenPhone)Quo (formerly OpenPhone)Free4.4★ (11K)NoYesAug 2026
2DialpadDialpadFree4.6★ (4.5K)YesNoAug 2026
3LinkedPhone—Pro Business LineLinkedPhone—Pro Business LineFree4.7★ (3.8K)NoYesAug 2026
4eVoice – Business Phone NumbereVoice – Business Phone NumberFree3.6★ (524)NoNoAug 2026
5SmartLine Second Phone NumberSmartLine Second Phone NumberFree4.7★ (44K)NoNoAug 2026
6NextivaONENextivaONEFree4.1★ (7K)NoNoAug 2026
7VirtualPBX SoftphoneVirtualPBX SoftphoneFree4.4★ (329)NoNoJul 2026
8Google VoiceGoogle VoiceFree4.3★ (62K)NoNoAug 2026

Top Picks for Business Phone System Admin

Quo (formerly OpenPhone)#1

Quo (formerly OpenPhone) by OpenPhone Technologies Inc

Business calling and texting
Editor's Choice
💼 Business
4.4😊(11K ratings)
FreeIn-App Purchases
#57in Business
Quo (formerly OpenPhone) screenshot 1
Quo (formerly OpenPhone) screenshot 2
Quo (formerly OpenPhone) screenshot 3
Quo (formerly OpenPhone) screenshot 4
Quo (formerly OpenPhone) screenshot 5
Quo (formerly OpenPhone) screenshot 6

This app provides a unified platform for business calls, texts, and customer information, enabling personalized customer relationships at scale. It features AI-powered call answering, flexible routing, and a mini CRM to ensure no customer is missed and to facilitate business growth.

What We Love

  • 🚀 Great phone
  • 👍 Fantastic App
  • 👍 Great app!
  • 👍 Great service

Room to Improve

  • 🔇 Unable to mute individual numbers
  • 🐛 SMS notifications don't alert sometimes
  • 🔒 Forced to let AI read all of our messages
Dialpad#2

Dialpad by Dialpad, Inc.

A modern phone system
Strong Contender
💼 Business
4.6😞(4.5K ratings)
FreeAds
Dialpad screenshot 1
Dialpad screenshot 2
Dialpad screenshot 3
Dialpad screenshot 4

This business communication platform unifies calls, contacts, and messages into a single application. It offers features like automatic call transcription, rich contact profiles integrated with CRMs, and the ability to switch devices seamlessly during calls. Teams can also monitor and coach calls remotely.

What We Love

  • 🚀 Reliable and consistent
  • 📊 Great analytics and reporting
  • 💻 Seamless desktop and mobile integration
  • 🤖 Useful AI features

Room to Improve

  • 🐛 Buggy and glitchy app
  • 📞 Frequent call drops and connectivity issues
  • 🔇 Unreliable notifications
LinkedPhone—Pro Business Line#3

LinkedPhone—Pro Business Line by LinkedPhone LLC

2nd Number—Calls, Texts, Teams
Worth Considering
💼 Business
4.7(3.8K ratings)
FreeIn-App Purchases
LinkedPhone—Pro Business Line screenshot 1
LinkedPhone—Pro Business Line screenshot 2
LinkedPhone—Pro Business Line screenshot 3
LinkedPhone—Pro Business Line screenshot 4
LinkedPhone—Pro Business Line screenshot 5
LinkedPhone—Pro Business Line screenshot 6

This app provides a professional business phone system for small businesses, allowing users to manage calls, texts, and customer interactions from a single platform. It offers features like an auto-attendant, unified inbox, and AI-powered tools to enhance efficiency and customer service without needing a second phone.

More Business Phone System Admin apps to explore

4
eVoice – Business Phone Number
eVoice – Business Phone Number
eVoice – Business Phone Number
Virtual Business Phone System
Free

This app provides a virtual business phone system, allowing users to manage multiple local or toll-free numbers and extensions from their smartphone or tablet. It offers features like organized voicemail with transcription, customizable call routing, and team contact sharing, all without needing cellular data.

Virtual business phone numbersMultiple extensionsVoicemail with transcription
💼 Business
(524)
freemium
5
SmartLine Second Phone Number
SmartLine Second Phone Number
SmartLine Second Phone Number
2nd phone number for business
Free

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.

Dedicated business phone numberProfessional call quality (not VoIP)Spam call filtering
💼 Business
(44K)
subscription
6
NextivaONE
NextivaONE
NextivaONE
Business Phone Calls & Texts
Free

Establish a professional presence with a dedicated business phone number for calls and texts. Manage contacts, send SMS/MMS, and enjoy unlimited voice calling within the US and Canada. Offers free number porting and local/toll-free numbers.

Dedicated business phone numberUnlimited US/Canada callingMobile texting (SMS/MMS)
💼 Business
(7K)
free
7
VirtualPBX Softphone
VirtualPBX Softphone
VirtualPBX Softphone
Business Voice, Video and SMS
Free

Transform your smartphone into a powerful business phone system. Make and receive calls using your company's Caller ID, record conversations, and manage voicemails from your email. Enjoy high-quality calls over Wi-Fi or cellular data without using your personal minutes.

VoIP calling over data connectionCompany Caller IDCall recording
💼 Business
(329)
free
8
Google Voice
Google Voice
Google Voice
Smarter voice calling
Free

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.

Dedicated phone numberCall, text, and voicemailCross-device syncing
📊 Productivity
(62K)
free
9
JustCall - Cloud Phone System
JustCall - Cloud Phone System
JustCall - Cloud Phone System
Make, Receive and Track Calls
Free

Establish a global presence with a local or toll-free number in over 58 countries. Manage international call centers, sales teams, and customer support efficiently. This cloud-based system requires no new hardware, allowing you to make and receive calls and SMS directly on your existing devices.

Local and toll-free numbers in 58+ countriesInternational call center managementIn-built CRM and rating system
💼 Business
(1.1K)
freemium
10
Vonage Business Communications
Vonage Business Communications
Vonage Business Communications
by Vonage
Free

Stay connected with your business communications while on the go. Make calls, send texts, and join video conferences using a single business identity. Manage voicemails, contacts, and call settings from your mobile device.

Single business identity for calls, texts, and videoOn-the-go calling, texting, and video conferencingVoicemail playback and management
📊 Productivity
(22K)
free with in-app purchases
11
Corporate Phone
Corporate Phone
Corporate Phone
by Corporate Tools LLC
Free

Get a second phone number that routes to your existing device, offering unlimited calling and texting. Protect your personal number from unwanted contacts and choose your own U.S. area code. Features include custom voicemail, spam blocking, and a contacts manager.

Second phone numberUnlimited calling and textingChoose U.S. area code
💼 Business
(5.5K)
subscription
12
Onebox – Virtual Phone System
Onebox – Virtual Phone System
Onebox – Virtual Phone System
by J2 Web Services, Inc.
Free

This app provides a virtual phone system for small businesses, enabling VoIP calling, reliable notifications, and smart call handling on mobile devices. It offers enhanced contact management and detailed call logs for better business communication.

VoIP calling within the appReliable push notificationsEnhanced shared contact management
💼 Business
(46)
ad-supported
13
My Verizon For Business
My Verizon For Business
My Verizon For Business
by Verizon Wireless
Free

Manage your business mobile accounts and operations on the go. This app provides tools to handle devices, bills, orders, and upgrades, ensuring your business stays connected and efficient.

Personalized recommendationsDevice and equipment managementBill review and payment
💼 Business
(138K)
free
14
Spoke Phone
Spoke Phone
Spoke Phone
Omnichannel cloud phone system
Free

This business phone system is designed for mobile devices, offering enterprise-grade features like conference calling and AI-powered voice productivity. It provides high-quality calls globally and a user-friendly interface for both mobile and desktop.

Enterprise-grade business phone systemMobile-first designConference calling
💼 Business
(20)
freemium
15
GoDaddy Conversations - Inbox
GoDaddy Conversations - Inbox
GoDaddy Conversations - Inbox
2nd Phone Line + Unified Inbox
Free

This app provides a dedicated business phone number and a unified inbox to manage customer communications. It helps maintain professionalism, protect personal privacy, and streamline interactions across various platforms like social media and email. Features include custom greetings, business hours, and website chat integration.

Dedicated business phone numberUnified inbox for multiple platformsCustom voicemail greeting
💼 Business
(3.8K)
subscription
16
Ooma Office
Ooma Office
Ooma Office
Small Business Phone
Free

This app allows small businesses to make and receive calls using their office phone number from anywhere. It offers features like a virtual receptionist, call transfers, and voicemail management, ensuring a professional image and never missing a client call. It can be used over Wi-Fi, even internationally, to avoid roaming charges.

Virtual receptionistExtension dialingCall conferencing
📊 Productivity
(8.9K)
free
17
smrtPhone
smrtPhone
smrtPhone
Your CRM Phone System
Free

This mobile app integrates your cloud-based phone system with your CRM, enabling seamless calling, texting, and contact management from your device. It logs all communication, allows for call notes, and offers advanced sales features to accelerate your sales cycle and enhance customer relationships.

CRM contact list syncSMS/MMS messaging with CRM loggingCall logging and recording
💼 Business
(1.4K)
free with in-app purchases
18
Index: Business Phone Number
Index: Business Phone Number
Index: Business Phone Number
Organize Your Communication
Free

Enhance small business communication with a dedicated business phone number. Features include instant auto-replies to missed calls, customizable texting shortcuts for common inquiries, and tools to organize customer information for personalized interactions.

Dedicated business phone numberInstant auto-reply to missed callsTexting shortcuts and templates
💼 Business
(375)
free with in-app purchases
19
Comcast Business
Comcast Business
Comcast Business
by Comcast Cable Communications Management, LLC
Free

Manage your Comcast Business account on the go with this all-in-one mobile tool. Access account details, schedule appointments, pay bills, manage WiFi, and troubleshoot technical issues. Business Voice customers can also host conference calls and manage voicemail.

Manage account detailsView service appointmentsPay bills and view invoices
💼 Business
(31K)
free
20
RingCentral
RingCentral
RingCentral
AI Cloud Communications
Free

Consolidate business communications including calls, messages, meetings, and faxes into a single application. Leverage an AI Assistant for tasks like note-taking, message polishing, and meeting transcriptions to enhance productivity.

Unified calls, messages, meetings, and faxesAI Assistant for notes and transcriptionsTeam chat with file sharing
💼 Business
(76K)
subscription

FAQ about Business Phone System Admin

What are the best business phone system admin apps for iPhone?
Quo (formerly OpenPhone) tops our business phone system admin apps ranking as of July 2026, with a 4.4-star average from 11K App Store ratings, and it's free to download.
Yes — 20 of the top business phone system admin apps we rank are free to download, including Quo (formerly OpenPhone) and Dialpad.
Quo (formerly OpenPhone) has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
Quo is a business phone system that unifies calls, texts, and customer information into a single platform. It helps businesses build personal customer relationships at scale by providing tools like shared inboxes, internal notes, and a mini CRM.
Key features include a unified platform for calls and texts, shared inboxes for team visibility, a mini CRM with custom contact properties, AI-powered 24/7 call answering, and flexible call routing to ensure efficient customer response.