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Best Sip Client App

173+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated June 2026

The best sip client app apps on iPhone average 4.4β˜… across 173+ titles β€” we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Sip Client App

Zoiper Lite voip soft phone#1

Zoiper Lite voip soft phone by Securax Ltd.

Call with any PBX or Provider
Editor's Choice
πŸ“Š 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

Make crystal clear voice or video calls with an easy-to-use SIP softphone that offers excellent quality and setup. Connect to any PBX or voip provider, enjoy various features like call waiting, transfer, and recording, and try it free for 7 days. Visit the website for more information.

What We Love

  • πŸš€ Easy to set up and use
  • πŸ“ž Good call quality
  • 🌐 Works well with various VoIP providers
  • πŸ’» Useful for remote work

Room to Improve

  • πŸ› Frequent disconnections and registration issues
  • πŸ”‡ Poor audio quality and volume
  • πŸ”‹ High battery consumption
Linphone#2

Linphone by Belledonne communications

Strong Contender
🌐 Social Networking
3.0😞(6 ratings)
Free
Linphone screenshot 1
Linphone screenshot 2
Linphone screenshot 3
Linphone screenshot 4
Linphone screenshot 5
Linphone screenshot 6

An open source app for free audio/video calls and messaging, Linphone keeps you reachable with WiFi or 3G/4G internet, even when the app is closed. Key features include HD calls, group chats, secure communication, and compatibility with SIP providers. Visit www.linphone.org for more information and customization options.

What We Love

  • πŸ‘ Good call quality
  • πŸš€ Works well with SIP providers
  • πŸ’‘ Useful features like DTMF support

Room to Improve

  • πŸ› Buggy, crashes frequently
  • πŸ”‘ Issues with account setup and configuration
  • πŸ”’ Security concerns with password handling
Acrobits Softphone#3

Acrobits Softphone by Acrobits

Reliable softphone dialer
Worth Considering
πŸ“Š Productivity
4.2😊(45 ratings)
$6.99In-App Purchases
Acrobits Softphone screenshot 1
Acrobits Softphone screenshot 2
Acrobits Softphone screenshot 3
Acrobits Softphone screenshot 4
Acrobits Softphone screenshot 5

Experience crystal clear voice and video calls with a powerful SIP client, offering features like support for popular providers, Bluetooth devices, 5G, push notifications, and more. Customizable settings, lifetime support, and updates make staying connected easy. Try it today for a one-time fee.

What We Love

  • πŸš€ Amazing
  • πŸ‘ Great technical support
  • πŸš€ Works seamlessly
  • πŸ‘ Excellent app

Room to Improve

  • πŸ› No microphone support.
  • πŸ’° Deduct subscription without inform user
  • πŸ”’ No option to block calls

More Sip Client App apps to explore

4
SIP Telephone
SIP Telephone
SIP Telephone
SIP softphone tool
Free
πŸ› οΈ Developer Tools
(1)
5
Bria Mobile: VoIP Softphone
Bria Mobile: VoIP Softphone
Bria Mobile: VoIP Softphone
Voice, Video, Chat & Presence
Free

Connect with others seamlessly through voice, video, and chat with this versatile VoIP softphone app. Stay in touch on-the-go and enjoy high-quality communication with Bria Mobile. Download now for efficient communication anytime, anywhere.

πŸ’Ό Business
(2.6K)
6
Smart-SIP-Phone
Smart-SIP-Phone
Smart-SIP-Phone
by EDNT GmbH
Free
πŸ“Š Productivity
(1)
7
SessionTalk SIP Softphone
SessionTalk SIP Softphone
SessionTalk SIP Softphone
by SessionTalk Ltd
Free

SessionTalk Softphone is a feature-rich mobile SIP client for Cloud VoIP Telephony, offering easy setup, smart call management, and high-quality enterprise communication features. Enjoy CallKit Support, Busy Lamp, Quickdial, SIP VoIP calls over LTE/WiFi, Push Notification for incoming calls, and Video Calls with H264.

🌐 Social Networking
(870)
8
Bria - VoIP Softphone
Bria - VoIP Softphone
Bria - VoIP Softphone
Talk, Chat, Meet, Share.
Free

This application combines various business communication tools in one platform, allowing users to call, video chat, message, meet, and share files seamlessly. With features like high-quality voice calls, instant messaging, HD video calling, and file sharing, it enhances collaboration across devices and networks. For support, visit the provided link.

πŸ“Š Productivity
(982)
9
VaxPhone - SIP based softphone
VaxPhone - SIP based softphone
VaxPhone - SIP based softphone
Audio, Video and Voice Changer
Free

This softphone application enables users to make and receive internet phone calls using any ITSP, with features such as voice changing, chat messaging, and call history. With support for speakerphone, echo-cancellation, and multiple voice codecs, users can experience high-quality audio and video calls, and get started by finding an ITSP and setting up a SIP account.

🌐 Social Networking
(1)
10
SessionCloud SIP Softphone
SessionCloud SIP Softphone
SessionCloud SIP Softphone
by SessionTalk Ltd
Free

This feature-rich SIP VoIP Softphone enables effortless deployment and management of softphones for IT managers and VoIP providers, supporting various features such as video calls, call recording, and secure encryption. Try a 14-day free trial and experience excellent audio quality, multiple account support, and advanced functionality for seamless communication.

🌐 Social Networking
(22)
11
Bria Enterprise
Bria Enterprise
Bria Enterprise
Voice, Video, Chat & Presence
Free

Experience seamless communication with Bria Enterprise - a comprehensive platform offering voice, video, and chat services for optimized collaboration in business settings. Connect with colleagues effortlessly and enhance productivity with our all-in-one communication solution. Elevate your team communication today!

πŸ’Ό Business
(1.7K)
12
SIPBlue
SIPBlue
SIPBlue
by QuestBlue Systems, Inc
Free

This intuitive application simplifies communication by enabling faster and more convenient calls, texts, and faxes. Experience high-quality connectivity for your enterprise or MSP needs.

πŸ”§ Utilities
(2)
13
Yeastar Linkus Mobile Client
Yeastar Linkus Mobile Client
Yeastar Linkus Mobile Client
by Yeastar Technology Co., Ltd.
Free

This mobile application turns your iOS device into an office extension, allowing you to make and receive enterprise VoIP calls, access corporate directory, and utilize various PBX features. By using this app, you can lower mobile voice charges, enhance efficiency, and maintain a consistent in-office experience from anywhere.

πŸ”§ Utilities
(30)
14
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
Best softphone SIP dialer
$9.99

Experience exceptional voice and video calls with this top-tier SIP softphone app that offers crystal clear audio, HD video calls, robust security, and seamless transitions between WiFi and data plans. Download now for a reliable and feature-rich communication tool that elevates your VoIP experience.

πŸ“Š Productivity
(111)
15
V2Box - V2ray Client
V2Box - V2ray Client
V2Box - V2ray Client
V2ray / vmess/trojan / v2rayng
Free

An advanced VPN client with support for multiple proxy protocols, including Shadowsocks, V2ray, Vmess, and Trojan. Features custom server proxy addition, encryption protocol support, and strong privacy measures. Get unmatched network speed and security.

πŸ”§ Utilities
(94K)
16
WhatsApp Messenger
WhatsApp Messenger
WhatsApp Messenger
Simple. Reliable. Private.
Free

A popular messaging and video calling app used by over 2 billion people worldwide, offering private, encrypted communication with group chats, voice and video calls, and real-time sharing features. Stay connected with friends and family easily. For more information or support, visit Settings > Help > Contact Us within the app.

🌐 Social Networking
(18M)
17
iTel Mobile Dialer.
iTel Mobile Dialer.
iTel Mobile Dialer.
VoIP SIP Calls, SMS, IM
Free

This mobile app offers VoIP calls, SMS, and instant messaging for smartphones. Stay connected with friends and family through voice and text communication.

🌐 Social Networking
(338)
18
Yandex Telemost
Yandex Telemost
Yandex Telemost
Video meetings and chats
Free

This application enables users to set up video meetings and chat with others by sharing a link, with no time limits on conversations. Users can easily create and join meetings, making it simple to organize work conferences, connect with family, or host video parties.

🌐 Social Networking
(563)
19
SpeakApp AI: Voice Notes
SpeakApp AI: Voice Notes
SpeakApp AI: Voice Notes
Transcribe speech to text
Free

Capture your ideas effortlessly with SpeakApp AI: Voice Notes - a powerful tool that converts your spoken thoughts into text instantly. Stay productive on-the-go by recording voice notes and letting our cutting-edge AI technology transcribe them accurately. Simplify your workflow and boost efficiency with this intuitive voice-to-text application.

πŸ“Š Productivity
(8K)
20
Igloo
Igloo
Igloo
The chillest IRC client
Free

Experience the revamped IRC Client, Igloo, offering enhanced performance and stability with new features like multi-file transfers, redesigned UI with themes, ZNC integration, and more. Join us in shaping the future of Igloo by providing feedback at contact@igloo.app.

🌐 Social Networking
(118)

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