Zello

Zello provides a push-to-talk app for iOS, Android, Windows and Mac that lets workers exchange live voice messages in one-to-one and one-to-many channels. Its product line includes Zello AI features such as the Ella assistant, transcriptions, live translation and conversation summaries, plus Zello Kiosk, a Mobile SDK for iOS, Android and React Native, radio gateways that bridge LMR networks, and an on-premise server option.

The website names frontline and enterprise teams as customers, including Sam's Club, Salling Group, Ryanair and Amrize, and says Zello is free for first responders. Paid access is sold in tiers named Core, Plus and Enterprise, with a 14-day free trial and a discount for yearly billing.

Zello is headquartered in Austin, Texas, and its careers page describes the company as self-funded and profitable. The open roles listed cover engineering, AI and data, security, product, marketing and sales in Austin, and EMEA sales and customer support roles based in Munich, Germany.

Product: Push-to-talk walkie-talkie app with channels, AI assistant, transcription and translation, Kiosk hardware, Mobile SDK and radio gateways.