Best PortSIP UC alternatives: apps like PortSIP UC

10+ similar apps compared and reviewed

4.1 avg rating

10 free apps

Updated October 2026

PortSIP Solutions, Inc.

🌐 Social Networking

Whether you want more options like PortSIP UC or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to PortSIP UC

#1

SessionTalk SIP Softphone by SessionTalk Ltd

Editor's Choice

🌐 Social Networking

4.4😞(1K ratings)

FreeIn-App Purchases

SessionTalk SIP Softphone screenshot 1

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SessionTalk SIP Softphone screenshot 3

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.

What We Love

🚀 Works well
👍 Easy to set up
🔒 Secure
🔋 Doesn't drain battery
👍 Good call quality
🚀 Reliable

Room to Improve

🐛 Crashes frequently
🐛 Doesn't work with some providers
🐛 Push notifications not working
🐛 Doesn't work in background
🐛 Incompatible with newer iOS versions
🐛 UI issues

#2

Linphone by Belledonne Communications SARL

Strong Contender

🌐 Social Networking

2.7😞(10 ratings)

Free

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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
🔋 Unreliable background/push notification support

#3

Grandstream Wave by Grandstream

Worth Considering

🌐 Social Networking

2.6(51 ratings)

Free

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This app transforms your device into a powerful softphone, enabling high-quality audio and video calls, and seamless meeting participation. Connect to your IP PBX system to call extensions, landlines, and mobile numbers from anywhere with a network connection.

More apps like PortSIP UC

MobileVOIP international calls

MobileVOIP international calls

MobileVOIP international calls

Cheap phone calls worldwide

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

free with in-app purchases

Compare with PortSIP UC

SpoofCard - Privacy Protected

SpoofCard - Privacy Protected

SpoofCard - Privacy Protected

Second Number For Calls & Text

This app provides a temporary second phone number for private calls and texts without a contract or SIM card. It offers features like Wi-Fi calling, call recording, and the ability to send calls directly to voicemail, all within an ad-free experience.

Instant second numberWi-Fi callingPrivate texting

🌐 Social Networking

free with in-app purchases

Compare with PortSIP UC

PingMe - Second Phone Number

PingMe - Second Phone Number

PingMe - Second Phone Number

SMS Verification Code Helper

This app provides a secondary phone number for various purposes, including bypassing SMS verification codes for app and web account creation. It offers a US cell phone plan with eSIM or SIM options and enables affordable international calls using a virtual temporary number.

Bypass SMS verification codesGet a private second phone numberUS cell phone plan with eSIM/SIM

🌐 Social Networking

free with in-app purchases

Compare with PortSIP UC

SimpleX Chat: secure messenger

SimpleX Chat: secure messenger

SimpleX Chat: secure messenger

Privacy redefined: no user IDs

This secure messaging app offers unparalleled privacy by eliminating user identifiers. Enjoy end-to-end encrypted messages, calls, and files with features like disappearing messages and incognito mode. Connect via invitation links without needing phone numbers or emails.

No user identifiersEnd-to-end encrypted messagesDisappearing messages

🌐 Social Networking

Compare with PortSIP UC

VaxPhone - SIP based softphone

VaxPhone - SIP based softphone

VaxPhone - SIP based softphone

Audio, Video and Voice Changer

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

Compare with PortSIP UC

Text Call: Second Phone Number

Text Call: Second Phone Number

Text Call: Second Phone Number

Virtual 2nd Line, Burner & SMS

Easily manage multiple phone numbers for business, travel, or personal organization. Get local numbers in minutes with over 60 area codes. Communicate via calls and SMS without needing extra devices or complex plans.

Multiple phone numbersOver 60 area codesLocal numbers in minutes

🌐 Social Networking

Compare with PortSIP UC

Your second phone number.

Get a real, private mobile number for calls and texts without a carrier contract. Protect your personal information and separate your communications for business, dating, or travel.

Real mobile numbers, not VoIPUnlimited inbound calls & texts100 outbound credits monthly

🌐 Social Networking

Compare with PortSIP UC