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Best apps like STN Suite

10+ similar apps compared and reviewed

4.0 avg rating
10 free apps
Updated September 2026
STN Suite
STN Suite
PortSIP Solutions, Inc.
πŸ”§ Utilities
🌐 Social Networking

STN Suite 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 STN Suite

Castel SIP#1

Castel SIP by Castel

Editor's Choice
🌐 Social Networking
0.0(0 ratings)
Free
Castel SIP screenshot 1
Castel SIP screenshot 2
Castel SIP screenshot 3
Castel SIP screenshot 4
Castel SIP screenshot 5
Castel SIP screenshot 6

This application functions as a SIP intercom softphone, enabling users to make and receive audio and video calls from IP intercom stations on their mobile devices. It allows for communication and remote door opening, working through Wi-Fi and cellular data networks.

SessionTalk SIP Softphone#3

SessionTalk SIP Softphone by SessionTalk Ltd

Worth Considering
🌐 Social Networking
4.5😞(1K ratings)
FreeIn-App Purchases
SessionTalk SIP Softphone screenshot 1
SessionTalk SIP Softphone screenshot 2
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

  • πŸš€ Works well
  • πŸ‘ Easy to set up
  • πŸ”’ Secure
  • πŸ”‹ Doesn't drain battery
  • πŸ‘ Good call quality
  • πŸš€ Reliable

Room to Improve

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

More apps like STN Suite

4
Linphone
Linphone
Linphone
by Belledonne Communications SARL
Free

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.

High definition audio and video callsAudio conference callsPicture and file sharing
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(9)
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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
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6
Grandstream Wave
Grandstream Wave
Grandstream Wave
by Grandstream
Free

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.

High-quality audio and video callsSchedule and attend meetingsJoin meetings without logging in
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(50)
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7
Element X - Secure Chat & Call
Element X - Secure Chat & Call
Element X - Secure Chat & Call
Sovereign. Seamless. On Matrix
Free

Communicate securely and privately with instant messaging and video calls. This app offers robust features for individuals and communities, allowing you to own your data and choose where it's hosted. Enjoy real-time communication with synchronized history across all your devices.

Real-time messagingVideo callsPublic and private rooms
🌐 Social Networking
(152)
free
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8
PingMe - Second Phone Number
PingMe - Second Phone Number
PingMe - Second Phone Number
SMS Verification Code Helper
Free

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
(1.1K)
free with in-app purchases
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9
SpoofCard - Privacy Protected
SpoofCard - Privacy Protected
SpoofCard - Privacy Protected
Second Number For Calls & Text
Free

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
(36K)
free with in-app purchases
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10
International Calling－Talk360
International Calling－Talk360
International Calling－Talk360
Mobile Recharge and WiFi Calls
Free

Make affordable international calls to any offline phone number worldwide using your existing number. The recipient does not need the app or internet. Send mobile top-ups to over 160 countries.

Cheap international callsRecipient doesn't need internetNo subscription required
🌐 Social Networking
(21K)
free with in-app purchases
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