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Best Sip Client Apps

211+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

Out of 211+ sip client apps on iOS, 18 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 Sip Client

Zoiper Lite voip soft phone#1

Zoiper Lite voip soft phone by Securax Ltd.

Call with any PBX or Provider
Editor's Choice
📊 Productivity
4.4😐(1.7K ratings)
FreeIn-App Purchases
Zoiper Lite voip soft phone screenshot 1
Zoiper Lite voip soft phone screenshot 2
Zoiper Lite voip soft phone screenshot 3
Zoiper Lite voip soft phone screenshot 4

This app allows you to make high-quality voice and video calls over Wi-Fi or 3G using your PBX or VoIP provider. It offers features like call waiting, transfer, and recording, with background operation optimized for battery life. Easily configure accounts with a built-in QR code scanner.

What We Love

  • 🚀 Easy to set up and use
  • 📞 Good call quality
  • 🌐 Works well with various VoIP providers
  • 💻 Useful for remote work

Room to Improve

  • 🐛 Frequent disconnections and registration issues
  • 🔇 Poor audio quality and volume
  • 🔋 High battery consumption
Linphone#2

Linphone by Belledonne communications

Strong Contender
🌐 Social Networking
1.9😞(17 ratings)
Free
Linphone screenshot 1
Linphone screenshot 2
Linphone screenshot 3
Linphone screenshot 4
Linphone screenshot 5
Linphone screenshot 6

This open-source application provides free audio and video calls, as well as text messaging, over the internet. It allows users to stay reachable at all times via WiFi or mobile data, even when the app is closed. Enjoy secure communication and the ability to connect with traditional phone lines.

What We Love

  • 👍 Good call quality
  • 🚀 Works well with SIP providers
  • 💡 Useful features like DTMF support

Room to Improve

  • 🐛 Buggy, crashes frequently
  • 🔑 Issues with account setup and configuration
  • 🔒 Security concerns with password handling
Bria Mobile: VoIP Softphone#3

Bria Mobile: VoIP Softphone by CounterPath Corporation

Voice, Video, Chat & Presence
Worth Considering
💼 Business
4.4😐(2.6K ratings)
FreeIn-App Purchases
Bria Mobile: VoIP Softphone screenshot 1
Bria Mobile: VoIP Softphone screenshot 2
Bria Mobile: VoIP Softphone screenshot 3
Bria Mobile: VoIP Softphone screenshot 4
Bria Mobile: VoIP Softphone screenshot 5
Bria Mobile: VoIP Softphone screenshot 6

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

Room to Improve

  • 🐛 Doesn't work in background
  • 🐛 Unreliable, drops calls
  • 🔋 High battery consumption

More Sip Client apps to explore

4
PortSIP UC
PortSIP UC
PortSIP UC
SIP Softphone,Voice,Video,IM
Free

This SIP-based softphone allows users to make and receive calls and instant messages over Wi-Fi or cellular data. It integrates with a PBX for push notifications and offers advanced call management features, including video conferencing. Security is a priority with encrypted signaling and audio.

SIP-based calling and messagingPush notifications with PBX integrationContact list integration
🌐 Social Networking
(90)
free
5
SessionTalk SIP Softphone
SessionTalk SIP Softphone
SessionTalk SIP Softphone
by SessionTalk Ltd
Free

This mobile SIP client integrates with cloud VoIP solutions, offering advanced call management and high-quality communication. It supports various codecs, multiple accounts, and secure calling features, with some premium functionalities available through in-app purchases.

SIP VoIP calls over LTE and WiFiIncoming calls via Push NotificationsVideo Calls with H264 & VP8 codec
🌐 Social Networking
(870)
free with in-app purchases
6
Smart-SIP-Phone
Smart-SIP-Phone
Smart-SIP-Phone
by EDNT GmbH
Free

This SIP client connects to various telephone systems, offering call management features like hold, mute, and loudspeaker. It includes a phone book, call history, and customizable codecs for efficient communication on the go.

Simple setupIPv4 and IPv6 supportCall hold, mute, and loudspeaker
📊 Productivity
(1)
free
7
Grupo Silaba
Grupo Silaba
Grupo Silaba
by Silaba Motors S.A.
Free

This app provides a unique, easy, and fast way to interact with a range of products and services. It aims to offer a comprehensive experience for users to engage with offerings.

Unique user interfaceEasy navigationFast interaction
🌟 Lifestyle
(13)
free
8
Acrobits Softphone
Acrobits Softphone
Acrobits Softphone
Reliable softphone dialer
$6.99

This SIP client enables voice and video calls, messaging, and seamless connectivity. It offers extensive provider support, push notifications, and call handover. Customize your calling experience with adjustable settings and enjoy clear audio and HD video.

Voice and video callingMessagingSIP client
📊 Productivity
(47)
paid
9
SIP Telephone
SIP Telephone
SIP Telephone
SIP softphone tool
Free

A professional SIP softphone client for developers and technical teams. It allows seamless connection to SIP systems across mobile and computer devices for account configuration, call control, and diagnostics.

Cross-platform SIP softphone clientSupports iOS and macOSAccount configuration
🛠️ Developer Tools
(1)
free
10
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
11
Revive Health Mobile
Revive Health Mobile
Revive Health Mobile
by Revivehealth, Inc.
Free

Access a virtual care clinic for urgent medical needs, mental health support, and primary care services. Connect with healthcare professionals online for prescriptions, therapy, and weight management. Receive comprehensive healthcare from the convenience of your device.

Virtual urgent careOnline pharmacy servicesMental health therapy
🏥 Medical
(19)
free
12
Bria - VoIP Softphone
Bria - VoIP Softphone
Bria - VoIP Softphone
Talk, Chat, Meet, Share.
Free

This app consolidates business communication tools into a single platform. It enables users to make voice and video calls, send instant messages, and share files across various devices. Designed for seamless collaboration, it integrates with existing VoIP services.

High-quality voice callsInstant messagingHD video calling
📊 Productivity
(987)
free with in-app purchases
13
sipcall
sipcall
sipcall
by Backbone Solutions AG
Free

This SIP client allows mobile users to utilize their landline number on the go. It offers features like push notifications for battery efficiency, call recording, and HD voice codecs. The app is free for existing customers and integrates with Microsoft 365 contacts.

Push notifications for battery lifeBackground app executionHD voice codecs
🔧 Utilities
(7)
free
14
Kur'an Okuyan
Kur'an Okuyan
Kur'an Okuyan
by Mehmet Okuyan
Free

This app provides a digital version of Mehmet Okuyan's "Quran Meal-Tefsir" work. It offers an in-depth study of the Quran with translations and interpretations.

Quran Meal-Tefsir studyDigital version of workIn-depth Quranic interpretation
📚 Books
(30)
free
15
VaxPhone - SIP based softphone
VaxPhone - SIP based softphone
VaxPhone - SIP based softphone
Audio, Video and Voice Changer
Free

This app allows you to make and receive internet phone calls using any SIP provider. It features a voice changer to alter your sound, send and receive chat messages, and integrates with your device's contacts. Enjoy background call reception and echo cancellation for clear communication.

Make and receive internet callsVoice changer effectsSend and receive chat messages
🌐 Social Networking
(1)
free
16
SIPBlue
SIPBlue
SIPBlue
by QuestBlue Systems, Inc
Free

This app offers a streamlined way to make calls, send texts, and send faxes. It provides connectivity solutions for businesses and managed service providers with a focus on speed and convenience.

Fast callingConvenient textingEfficient faxing
🔧 Utilities
(2)
free
17
SessionCloud SIP Softphone
SessionCloud SIP Softphone
SessionCloud SIP Softphone
by SessionTalk Ltd
Free

This app provides a feature-rich SIP VoIP softphone solution for making and receiving calls over 3G and WiFi. It supports video calls, SMS messaging, multiple accounts, and call recording, with advanced features like call forwarding and conferencing. Provisioning is made easy via QR code for IT managers and VoIP providers.

VoIP calls over 3G and WiFiVideo calls with H264 and VP8 codecsSMS Messaging (SIP SIMPLE)
🌐 Social Networking
(22)
free
18
Bria Enterprise
Bria Enterprise
Bria Enterprise
Voice, Video, Chat & Presence
Free

This VoIP softphone app enables voice, video, and chat communication for businesses. It requires an administrator-generated account for login and is provisioned through a platform for easy configuration and management.

VoIP softphoneVoice callsVideo calls
💼 Business
(1.7K)
free
19
Yeastar Linkus Mobile Client
Yeastar Linkus Mobile Client
Yeastar Linkus Mobile Client
by Yeastar Technology Co., Ltd.
Free

Transform your mobile phone into an office extension, enabling seamless communication with colleagues and customers. Make and receive calls using your corporate phone network to reduce costs and maintain an in-office experience from anywhere.

Enterprise VoIP calls over Wi-Fi/mobile dataUnified corporate identity with one number reachFlexible ring strategies
🔧 Utilities
(31)
free
20
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
Best softphone SIP dialer
$9.99

This SIP softphone client provides high-quality voice and video calls with robust security and customization options. It integrates seamlessly with VoIP providers for personal and professional use, offering features like instant messaging and call transfers.

Exceptional audio qualityHD video callsRobust security with encryption
📊 Productivity
(113)
paid

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