Best Qos Phone Apps

191+ iOS apps curated and reviewed

3.9 avg rating

20 free apps

Updated June 2026

Every iPhone needs a few good qos phone apps. We benchmark 191+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Qos Phone

#1

QoS Phone by Voicepro Ltd

Editor's Choice

💼 Business

0.0(0 ratings)

Free

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#2

Ooma Office by Ooma, Inc.

Small Business Phone

Strong Contender

📊 Productivity

4.9😞(8.2K ratings)

Free

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This app allows small businesses to make and receive calls using their office phone number from anywhere. It offers features like a virtual receptionist, call transfers, and voicemail management, ensuring a professional image and never missing a client call. It can be used over Wi-Fi, even internationally, to avoid roaming charges.

What We Love

🚀 Convenient and flexible
📞 Clear call quality
💻 Works well on desktop and mobile
🕰️ Reliable service

Room to Improve

🐛 Frequent app crashes and glitches
🔍 Unreliable notifications and missed calls
⏱️ Slow app performance and lags

#3

Mint Mobile by UVNV, Inc.

Premium Wireless

Worth Considering

🔧 Utilities

4.7😐(245K ratings)

Free

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Switch to an affordable phone plan on a major 5G network. Enjoy unlimited talk, text, and fast data starting at $15/month. Bring your own phone and number, and manage your account or family plans easily.

What We Love

🚀 Saves money
👍 Simple to use app
👍 Helpful customer service
🚀 Reliable service

Room to Improve

🐛 Activation and porting issues
🐛 Unreliable data connectivity
🔒 Concerns over account security

More Qos Phone apps to explore

My Consumer Cellular

My Consumer Cellular

Big Wireless coverage for less

Manage your wireless account easily from your smartphone. Track usage, pay bills, and upgrade plans. Access customer support directly through the app.

Manage accountTrack usagePay bills

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

FreedomPop: Calling & Texting

FreedomPop: Calling & Texting

by STS Media, Inc.

This app provides free calling and texting services, allowing users to get a new phone number from the US, UK, or Spain. It offers free domestic and international calls, HD-quality audio, and free SMS messaging, working over Wi-Fi or cellular networks.

Free US, UK, Spain phone numbersFree domestic callingFree international calling

AirVoice Wireless

AirVoice Wireless

by HTH COMMUNICATIONS, LLC

This app provides flexible prepaid wireless plans with nationwide coverage and no contracts. Manage your service, track usage, and add features easily. Enjoy free international calling to over 200 countries.

Activate SIM or eSIMBring your own phoneView data, talk, and text usage

by Mitel Networks Corporation

This app extends your desk phone functionality to your mobile device. Access contacts, join meetings, and manage calls and voicemails with a new, intuitive interface. It ensures your business caller ID is used, keeping your personal number private.

Mobile desk phone functionalityAccess enterprise contactsOne-click conference joining

by Phone.com, Inc.

Transform your smartphone into a dedicated business line. Manage calls, voicemails, and texts from any of your business numbers, all within a single app. Stay connected and responsive with features like visual voicemail and call blocking.

Business phone calls over data/Wi-FiVisual voicemail with transcriptionSend/receive SMS with business numbers

VirtualPBX Softphone

VirtualPBX Softphone

Business Voice, Video and SMS

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.

VoIP calling over data connectionCompany Caller IDCall recording

Zoiper Lite voip soft phone

Zoiper Lite voip soft phone

Call with any PBX or Provider

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.

High-quality voice and video callsPBX and VoIP provider integrationBackground operation with battery optimization

📊 Productivity

free with in-app purchases

iTel Mobile Dialer.

iTel Mobile Dialer.

VoIP SIP Calls, SMS, IM

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.

VoIP Calls & SMSsCross-platform Instant MessagingAutomated Calling Card usage

🌐 Social Networking

free with in-app purchases

Bria Mobile: VoIP Softphone

Bria Mobile: VoIP Softphone

Voice, Video, Chat & Presence

This app provides a secure, high-quality VoIP softphone solution for business communication. It supports voice, video, and chat with features like XMPP and SIP SIMPLE, allowing users to stay connected on the go. It offers advanced call management and security options.

HD audio and video supportXMPP & SIP SIMPLE supportMultitasking and push notifications

free with in-app purchases

by Belledonne communications

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

🌐 Social Networking

Work Remotely, Anywhere

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.

Office extension access anywhereSchedule conferencesChat with colleagues

Activate and Reconfigure Telo

This utility app helps Ooma customers activate new devices like Telo and Telo 4G. It also allows for reconfiguring existing Telo Air 2 devices and checking the status of Telo and LTE adapters. Note that this app is for setup and configuration only, not for making calls.

Activate new TeloActivate Phone GenieActivate Telo 4G

Connect IQ™ Store

Connect IQ™ Store

by Garmin International

Discover and download free apps, music streaming services, widgets, data fields, and custom watch faces to enhance your compatible smart devices. Manage all your downloaded content directly within the store.

Download free appsMusic streaming integrationPersonalize with widgets

NT Connect: Calls & Messages

NT Connect: Calls & Messages

Worldwide Phone Calls

Make free voice calls and send encrypted messages to other users worldwide. Enjoy ultra-low cost international calls to landlines and mobiles. Access visual voicemail for easy management. Use your home phone service on your mobile device.

Free voice calls and messagingEncrypted messagingUltra-low cost international calls

🌐 Social Networking

2nd Call - Global VoIP Phone

2nd Call - Global VoIP Phone

Unlimited Call, Text, SMS

Make unlimited free phone calls to any number worldwide. Earn credits by completing offers to fund low-cost international calls. Turn your iPod, iPad, or iPhone into a functional phone with multiple lines.

Unlimited global callsFree international callingEarn credits for calls

free with in-app purchases

Amber IT IP Phone

Amber IT IP Phone

by AmberIT Limited

This app allows users to make VoIP calls and send SMS messages over data networks like 3G, 4G, or WiFi. It also provides cross-platform instant messaging, enabling communication between users on different operating systems. Sign up is easy using a mobile number, and it automatically creates a buddy list.

VoIP Calls & SMSsCross-platform Instant MessagingEasy Sign Up with Mobile Number

🌐 Social Networking

free with in-app purchases