The best coltech voice apps on iPhone average 4.5★ across 213+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This business communication app allows users to make and receive calls and send SMS messages using their company number from any mobile device. It offers features like call transferring, contact management, voicemail, and customizable answering rules to maintain a professional identity.
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 app provides a unified platform for business calls, texts, and customer information, enabling personalized customer relationships at scale. It features AI-powered call answering, flexible routing, and a mini CRM to ensure no customer is missed and to facilitate business growth.
ColTech Voice tops our coltech voice apps ranking as of May 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Are there free coltech voice apps for iPhone?
Yes — 19 of the top coltech voice apps we rank are free to download, including ColTech Voice and Google Voice.
Does ColTech Voice have ads or in-app purchases?
ColTech Voice has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
How many coltech voice apps are on the App Store?
We track 213+ coltech voice apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
What is ColTech Voice?
ColTech Voice is a mobile SIP softphone that brings your business's Unified Communications platform to your smartphone. It allows you to make and receive calls, send SMS messages, and manage your business communications from anywhere.
Can I use my business number with ColTech Voice?
Yes, ColTech Voice allows you to make and receive calls using your existing business number, ensuring a consistent professional identity across all your communications.