Best OnRelay alternatives: apps like OnRelay

9+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated November 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
4.4(16 ratings)
Free
Voys screenshot 1
Voys screenshot 2
Voys screenshot 3
Voys screenshot 4
Voys screenshot 5
Voys screenshot 6

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.

Vialer#2
5.0(2 ratings)
Free
Vialer screenshot 1
Vialer screenshot 2
Vialer screenshot 3
Vialer screenshot 4
Vialer screenshot 5
Vialer screenshot 6

Make and receive business calls using your company's number from your smartphone. Track call history, view colleague availability, and manage your call statistics and accessibility settings. Requires a VoIP account and user credentials from a hosted telephony provider.

iTeleCenter#3

iTeleCenter by COA Network

Virtual Phone System
Worth Considering
💼 Business
4.7(140 ratings)
Free
iTeleCenter screenshot 1
iTeleCenter screenshot 2
iTeleCenter screenshot 3
iTeleCenter screenshot 4

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.

More apps like OnRelay

4
Officetree Phone
Officetree Phone
Officetree Phone
Business number, calls & texts
Free

This app offers a dedicated business phone line for calls, texts, and voicemail, allowing users to maintain a professional image. It supports multiple business numbers and seamless switching between them, ensuring personal and professional contacts remain separate.

Dedicated business phone numbersBusiness calling and textingVoicemail management
💼 Business
(1)
free
5
Omnivoice Mobile
Omnivoice Mobile
Omnivoice Mobile
Secure business calling app
Free

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.

Business phone numbersIntegrated messagingVoicemail to text
💼 Business
(3)
free
6
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
7
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
8
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
9
Unify Phone
Unify Phone
Unify Phone
by Mitel Networks Corporation
Free

This app unifies workplace communication by integrating existing voice platforms with cloud technology. It offers seamless hybrid working, a single business number across devices, and advanced mobility features for enhanced productivity and flexibility.

Seamless hybrid workingCloud-based client technologySingle business number
💼 Business
(0)
free