This cloud-based phone solution facilitates seamless international business communication. It offers a feature-rich VoIP calling experience with international numbers, call recording, and CRM integrations, all without requiring hardware.






198+ iOS apps curated and reviewed
If you already know GCF Softphone, this is the deeper bench. 198+ gcf softphone apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.






This cloud-based phone solution facilitates seamless international business communication. It offers a feature-rich VoIP calling experience with international numbers, call recording, and CRM integrations, all without requiring hardware.




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.



This application provides a feature-rich VoIP softphone experience with easy account setup through one-touch provisioning. It requires a Cloud Code or QR code for configuration, and users should contact their VoIP provider for credentials.


This app provides a dedicated phone number for calls, texts, and voicemail, syncing across devices for seamless use anywhere. It offers advanced spam filtering, call forwarding, and searchable message history. Voicemails are transcribed for easy reading and can be sent to your email.


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.


Manage your home or office phone services from any device, anywhere. Features include high-quality audio, cross-device chat syncing, visual voicemail with transcriptions, and real-time contact presence. The app is designed with accessibility in mind, meeting WCAG 2.1 AA guidelines.


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.


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.


This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.


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.


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.


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.


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.


Make crystal-clear international calls, send mobile top-ups to over 300 carriers in 100+ countries, and perform secure international money transfers. Enjoy various calling plans, automated refills, and special promotions for added value.


Seamlessly integrate your iPhone with your Windows PC. Access calls, messages, notifications, and contacts directly from your computer. Easily share files between devices for enhanced productivity.


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.


This app enables VoIP calls and SMS over data networks like 3G/4G and WiFi. It also offers cross-platform instant messaging and simplified calling card usage. Users need an operator code from a VoIP service provider to use its features.


This application allows users to make and receive high-quality VoIP calls and send SMS messages directly from their mobile device. It provides seamless integration with a specific VoIP service, enabling management of voicemails and call forwarding. Enjoy secure and reliable communication on the go.


This app transforms your mobile device into a comprehensive business communication hub. Make and receive calls, chat with colleagues, manage voicemails, and join meetings from anywhere. It integrates AI assistance for task simplification and offers advanced calling features for seamless teamwork on the go.


This app provides high-definition voice and video calls, plus instant messaging, for users of a specific hosted PBX platform. It offers secure calling with TLS encryption and efficient low-bandwidth usage. Setup is simplified through QR code provisioning.