1. Home
  2. Topics
  3. Mobile Office Phone System

Best Mobile Office Phone System Apps

201+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

Ooma Office is the household name in mobile office phone system, but it's far from the only option. We track 201+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Mobile Office Phone System

Ooma Office#1

Ooma Office by Ooma, Inc.

Small Business Phone
Editor's Choice
📊 Productivity
4.9😞(8.2K ratings)
Free
Ooma Office screenshot 1
Ooma Office screenshot 2
Ooma Office screenshot 3
Ooma Office screenshot 4
Ooma Office screenshot 5
Ooma Office screenshot 6

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.

What We Love

  • 🚀 Convenient and flexible
  • 📞 Clear call quality
  • 💻 Works well on desktop and mobile
  • 🕰️ Reliable service

Room to Improve

  • 🐛 Frequent app crashes and glitches
  • 🔍 Unreliable notifications and missed calls
  • ⏱️ Slow app performance and lags
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
MobiOffice・Word Docs・Excel・PDF#3

MobiOffice・Word Docs・Excel・PDF by MobiSystems, Inc.

Edit Office Sheets・PowerPoint
Worth Considering
💼 Business
4.7😞(44K ratings)
FreeAdsIn-App Purchases
#41in Business
MobiOffice・Word Docs・Excel・PDF screenshot 1
MobiOffice・Word Docs・Excel・PDF screenshot 2
MobiOffice・Word Docs・Excel・PDF screenshot 3
MobiOffice・Word Docs・Excel・PDF screenshot 4
MobiOffice・Word Docs・Excel・PDF screenshot 5
MobiOffice・Word Docs・Excel・PDF screenshot 6

This app allows users to create, edit, and manage documents, spreadsheets, and presentations across various file formats. It offers cloud storage integration, document scanning, and PDF viewing and annotation capabilities. Premium features include advanced editing tools, PDF conversion, and enhanced security options.

What We Love

  • 🚀 Provides a real service
  • 🚀 Unrivaled duo with desktop version
  • 👍 Excellent for creating presentations and papers
  • 👍 Handy app to use

Room to Improve

  • 🐛 Bookmarks don't work
  • 🐛 Cannot delete files
  • 🐛 Freezes and crashes

More Mobile Office Phone System apps to explore

4
YOVU Mobile
YOVU Mobile
YOVU Mobile
YOVU for your mobile device
Free
📊 Productivity
(0)
5
MobileVOIP international calls
MobileVOIP international calls
MobileVOIP international calls
Cheap phone calls worldwide
Free

Make affordable national and international calls directly from your iPhone. Save on mobile costs by using this app over various internet connections, including Wi-Fi. Access your contacts and bypass VoIP blockades for seamless communication worldwide.

Make SIP phone callsFree calls to select destinationsCheap international calls
🌐 Social Networking
(16K)
free with in-app purchases
6
Textr Office Phone - PBX Phone
Textr Office Phone - PBX Phone
Textr Office Phone - PBX Phone
Business Cloud Phone System
Free
💼 Business
(0)
7
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
(520)
freemium
8
Quo (formerly OpenPhone)
Quo (formerly OpenPhone)
Quo (formerly OpenPhone)
Business calling and texting
Free

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.

Unified calls, texts, and customer infoShared inboxes and internal notesMini CRM with custom contact properties
💼 Business
(11K)
free with in-app purchases
9
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
(6.8K)
free
10
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
11
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
(19)
freemium
12
Elevate UC
Elevate UC
Elevate UC
Mobile office everywhere.
Free

This app transforms your mobile device into a comprehensive business communication hub. Make calls, send messages, join meetings, and manage voicemails from anywhere. It integrates your business phone number and offers AI assistance for enhanced productivity.

Place and receive business callsReal-time team chat and messagingHost and join meetings
💼 Business
(306)
free
13
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
14
iTel Mobile Dialer.
iTel Mobile Dialer.
iTel Mobile Dialer.
VoIP SIP Calls, SMS, IM
Free

This app enables VoIP calls and SMS over data networks like 3G/4G and WiFi. It also offers cross-platform instant messaging and simplified calling card usage. Users need an operator code from a VoIP service provider to use its features.

VoIP Calls & SMSsCross-platform Instant MessagingAutomated Calling Card usage
🌐 Social Networking
(338)
free with in-app purchases
15
Now Mobile
Now Mobile
Now Mobile
Remove Friction from Work
Free

Streamline work processes for employees by providing a single mobile interface to request services and find information from various departments like IT, HR, and Facilities. It simplifies complex backend operations, allowing users to get tasks done efficiently from anywhere.

Request IT services (laptop, password reset)Book conference rooms and set up workspacesRequest corporate credit cards
💼 Business
(2.2K)
free
16
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
17
AT&T Office@Hand
AT&T Office@Hand
AT&T Office@Hand
by AT&T Services, Inc.
Free

This cloud-based communication platform unifies phone calls and video meetings for teams. It offers HD VoIP calling, SMS, and online fax with advanced call routing and customizable settings. Enjoy high-quality video collaboration for up to 200 participants, with screen sharing capabilities.

Unified cloud-based communicationsHD VoIP calling and SMSOnline fax capabilities
💼 Business
(0)
freemium
18
UniTel Voice Office
UniTel Voice Office
UniTel Voice Office
by UniTel Voice, LLC
Free

Manage business communications from your smartphone. Make audio/video calls, send instant messages, and check team availability. Requires a UniTel Voice Office plan subscription.

Audio and video callsInstant messagingTeam availability status
💼 Business
(34)
free
19
Phone.com
Phone.com
Phone.com
by Phone.com, Inc.
Free

Transform your smartphone into a dedicated business line. Manage calls, voicemails, and texts from any of your business numbers, all within a single app. Stay connected and responsive with features like visual voicemail and call blocking.

Business phone calls over data/Wi-FiVisual voicemail with transcriptionSend/receive SMS with business numbers
💼 Business
(262)
freemium
20
Intermedia Unite
Intermedia Unite
Intermedia Unite
Cloud PBX softphone
Free

This app transforms your mobile device into a comprehensive business communication hub. Make and receive calls, chat with colleagues, manage voicemails, and join meetings from anywhere. It integrates AI assistance for task simplification and offers advanced calling features for seamless teamwork on the go.

Place and receive business callsReal-time team chat and messagingHost and join meetings
💼 Business
(260)
free