Best OnSIP alternatives: apps like OnSIP

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated October 2026

OnSIP is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to OnSIP

VirtualPBX Softphone#1

VirtualPBX Softphone by Virtual PBX

Business Voice, Video and SMS
Editor's Choice
💼 Business
4.4(329 ratings)
Free
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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.

Bria Mobile: VoIP Softphone#2

Bria Mobile: VoIP Softphone by CounterPath Corporation

Voice, Video, Chat & Presence
Strong Contender
💼 Business
4.4😐(2.6K ratings)
FreeIn-App Purchases
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This app provides a secure, high-quality VoIP softphone solution for business communication. It supports voice, video, and chat with features like XMPP and SIP SIMPLE, allowing users to stay connected on the go. It offers advanced call management and security options.

What We Love

  • 🚀 Works great
  • 👍 Excellent app
  • 💡 Push notification feature works well
  • 🚀 Reliable service
  • 👍 Versatile with multiple features

Room to Improve

  • 🐛 Doesn't work in background
  • 🐛 Unreliable, drops calls
  • 🔋 High battery consumption
  • 🐛 Frequent crashes
  • 🐛 Registration issues
4.7😞(1.1K ratings)
Free
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Manage your live reception account on your iOS device. This app provides access to a 24/7 customer service team, allowing you to view messages, customer contact information, and collaborate with your team. Stay updated on all customer interactions and ensure no message is missed.

What We Love

  • 👍 Professional and helpful customer service
  • 🚀 Efficient and reliable call answering
  • 📱 Useful mobile app and web platform

Room to Improve

  • ⚠️ Questionable billing practices and lack of transparency
  • 🔍 Inconsistent call handling and language barriers
  • 🐛 Frequent technical issues and app malfunctions

More apps like OnSIP

4
Callcentric SMS
Callcentric SMS
Callcentric SMS
SMS with your Callcentric #'s
Free

Send and receive SMS messages using your Callcentric phone numbers. This app offers real-time messaging, contact list integration, and dark mode support. It requires an active Callcentric account and an SMS Access Plan.

Real-time SMS messagingDark Mode supportContact list integration
💼 Business
(202)
free
5
Keap Mobile
Keap Mobile
Keap Mobile
Keap CRM, available on the go!
Free

Manage customer information, tasks, and notes from anywhere. This app provides mobile access to your CRM, helping you stay organized and make a great impression. It includes features like a business card scanner, appointment scheduling, and payment processing.

Add/access customer info, tasks, and notesMobile reminders and alertsBusiness card scanner
💼 Business
(1.8K)
free with in-app purchases
6
800.com
800.com
800.com
by 800.com
Free

This app enables users to manage and utilize their business phone numbers directly from their personal device. It allows for making calls and sending/receiving text messages, ensuring no customer interactions are missed. Users can also access voicemails with live transcriptions and manage multiple numbers and companies within a single interface.

Manage multiple phone numbersSend and receive text messagesMake and receive calls
💼 Business
(17)
free
7
MightyCall Call Center
MightyCall Call Center
MightyCall Call Center
Business Communications
Free

This app provides a comprehensive solution for managing business communications, enabling users to set up call centers with dedicated business numbers and handle calls, SMS, and voicemails. It offers features like call recording, IVR setup, and CRM synchronization to enhance customer service and team collaboration.

Business phone numbersCall and SMS managementVoicemail transcription
💼 Business
(16)
free
8
Heymarket Texting for Teams
Heymarket Texting for Teams
Heymarket Texting for Teams
Business Text Messaging & SMS
Free

This app provides a shared inbox and business texting solution for teams. It allows for efficient customer support, sales, and marketing by enabling shared phone numbers and message tracking. Teams can manage conversations, assign chats, and send personalized messages to contacts.

Shared team inboxesAssign and triage chatsSend personalized text messages
💼 Business
(51)
free with in-app purchases
9
Activ Answer
Activ Answer
Activ Answer
by Audio Images International, Inc.
Free

Manage your Activ service remotely. Receive message alerts, listen to, transcribe, and translate communications. Initiate callbacks or send automated replies to stay connected and productive.

New message notificationsListen to messagesTranscribe messages
💼 Business
(10)
free
10
Help Scout
Help Scout
Help Scout
Support customers on the go
Free

Manage customer support requests efficiently from your mobile device. This app allows you to access mailboxes, handle conversations, and reply to customers with saved responses. Stay connected with your team and improve customer relationships on the go.

Access all mailboxesHandle assigned conversationsReply with saved replies
💼 Business
(323)
freemium