246+ iOS apps curated and reviewed
The best 3cx phone apps on iPhone average 3.5★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 2.6★ (317) | No | No | Aug 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.2★ (4.9K) | No | No | Aug 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 6 |  | Free | 4.6★ (3.1K) | No | No | Aug 2026 |
| 7 |  | Free | — | Yes | No | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
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.
Get a second phone number that routes to your existing device, offering unlimited calling and texting. Protect your personal number from unwanted contacts and choose your own U.S. area code. Features include custom voicemail, spam blocking, and a contacts manager.
This application functions as an internet telephony softphone, allowing users to make and receive calls on their iPhone. It connects to a dedicated hosted switching system and supports VoIP calls over 3G and WiFi networks with various codecs.
This app extends your home phone service to your mobile device. Make and receive calls using your home number, manage voicemail, and check call history from anywhere. It utilizes internet calling for unlimited domestic and low-rate international calls.
This application allows users to make and receive phone calls from their mobile devices. It provides a straightforward way to stay connected on the go.
This app provides a secondary phone number for WiFi calling and messaging, enhancing privacy by not exposing your primary number. It allows global calls, offers high-definition voice quality, and includes features to block harassing calls and messages.
This AI-powered cloud IP phone app offers voice analysis and analytics to improve sales and customer service productivity. It provides full phone functionality on your smartphone, including call forwarding, recording, and a cloud phonebook, even while on the go. The app can transcribe and analyze call details.
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 transforms your iPhone into a business phone extension, integrating with office PBX systems. It offers advanced calling features and supports high-quality voice codecs for clear communication over mobile networks.
This cloud-based telephony solution enhances business communication with a built-in softphone for global connectivity. It offers seamless CRM integration, shared contacts, and multi-device synchronization without requiring any hardware. Features include call recording, voicemail, and a lost calls tracker.
