Best apps like OnRelay

9+ similar apps compared and reviewed

4.1 avg rating
9 free apps
Updated October 2026

Looking for something like OnRelay? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to OnRelay

Voys#1

Voys by VoIPGRID

Editor's Choice
💼 Business
4.4(16 ratings)
Free
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This app allows business users to make and receive calls using their landline number, offering smart features like colleague availability and contact sharing. It eliminates the need for a separate VoIP phone and enhances reachability for remote workers.

iTeleCenter#2

iTeleCenter by COA Network

Virtual Phone System
Strong Contender
💼 Business
4.7(130 ratings)
Free
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This app transforms your mobile phone into a virtual office, allowing you to manage business calls, voicemails, and faxes. It keeps your personal number private while enabling professional communication and message management.

Omnivoice Mobile#3

Omnivoice Mobile by CallCurrent, Inc.

Secure business calling app
Worth Considering
💼 Business
3.7(3 ratings)
Free
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This business calling app provides a secure and reliable platform for managing professional communications. It offers dedicated business numbers, integrated messaging, and voicemail transcription. Synchronize across devices to stay connected and streamline customer interactions.

More apps like OnRelay

4
Officetree Phone
Officetree Phone
Officetree Phone
Business number, calls & texts
Free
💼 Business
(0)
5
phone.systems
phone.systems
phone.systems
Cloud Telephony for Businesses
Free

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.

Cloud-based telephonyBuilt-in softphoneCRM integration
💼 Business
(1)
free
6
PhoneLynk
PhoneLynk
PhoneLynk
Business Phone Numbers & More
Free

Establish a professional business identity on your smartphone with a dedicated business phone number. Features include automated virtual receptionists, call transfers, professional greetings, call tracking, and call recording. It helps separate business and personal calls and reduces the cost of traditional phone systems.

Dedicated business phone numbersAutomated virtual receptionistCall transfer and simultaneous ringing
💼 Business
(29)
free with in-app purchases
7
Onebox – Virtual Phone System
Onebox – Virtual Phone System
Onebox – Virtual Phone System
by J2 Web Services, Inc.
Free

This app provides a virtual phone system for small businesses, enabling VoIP calling, reliable notifications, and smart call handling on mobile devices. It offers enhanced contact management and detailed call logs for better business communication.

VoIP calling within the appReliable push notificationsEnhanced shared contact management
💼 Business
(46)
ad-supported
8
Unify Phone
Unify Phone
Unify Phone
by Mitel Networks Corporation
Free

This app unifies workplace communication by integrating existing voice platforms with cloud-based client technology. It offers seamless hybrid working, advanced mobility, and powerful PBX features across all devices. Enhance productivity and streamline interactions with a single business number and bi-directional presence synchronization.

Seamless hybrid workingCloud-based client integrationSingle business number
💼 Business
(0)
free
9
Ringblaze
Ringblaze
Ringblaze
Collaborative phone system
Free

Manage business communications with a dedicated number, shared callboxes, and messaging. Seamlessly switch between devices and record calls for training. Expand globally with numbers in over 200 countries.

Dedicated business numberGlobal phone number registrationShared callbox for team collaboration
💼 Business
(27)
free