# Glacier Dial: Secure Phone > Secure, encrypted SIP softphone with anonymous virtual numbers for private business communication. (iPhone/iPad app by Glacier Security, Inc..) - Source: https://appshunter.io/ios/app/glacier-dial-secure-phone/id1242992267 (this page in markdown: same URL + `.md`) - Developer: [Glacier Security, Inc.](https://appshunter.io/developer/1356635076) - Category: Business - Price: Free - Rating: 5.00/5 from 6 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 104 MB - Languages: American English, Arabic, Dutch, French (France), German (Germany), Japanese, Russian - Released: 2018-04-28 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/glacier-dial-secure-phone/id1242992267/reviews.md ## What is Glacier Dial? Glacier Dial: Secure Phone is a free and open source VoIP softphone based on the SIP protocol, and that is based on Linphone for iPhone Source code available at https://github.com/GlacierSecurityInc/GlacierVoice-iOS Glacier Security, Inc. is a full-service SaaS provider of secure messaging, secure voice and device management solutions for mobile and wired networks. We empower our clients to work in nations throughout the world with confidence that their associations, communications, devices and intellectual property are protected. Features, Security, & Privacy: - Encrypted 1:1 and conference calling between Glacier users - Virtual anonymous number with customizable area code for external Glacier calls - Zero touch setup without phone number or e-mail address - No metadata collected or stored - Open source code for transparency and audit Requirements: - Corporate or organization subscription - Some deployments require Glacier Security or your organizations Mobile Device Manager (MDM) Wait, there's more: The Glacier network is deployed unique to each customer with cloud based immutable infrastructure leveraging concepts of Moving Target Defense (MTD). MTD adds uncertainty and diversity to our networks, reducing the surface area of attacks to provide true private and anonymous communications. You can deploy an app or you can deploy a full service solution. ## Key features - Encrypted 1:1 and conference calling - Virtual anonymous number - Zero touch setup - No metadata collected - Open source code - Corporate/organization subscription required ## Frequently asked questions about Glacier Dial ### What is Glacier Dial's primary function? Glacier Dial is a secure VoIP softphone that enables encrypted 1:1 and conference calls between users. It also offers a virtual anonymous number for external calls, ensuring private communications. ### How does Glacier Dial ensure user privacy? Glacier Dial collects and stores no metadata from user communications. Its open-source code allows for transparency and auditing, and its network deployment utilizes Moving Target Defense (MTD) to reduce attack surfaces. ### What are the setup requirements for Glacier Dial? Glacier Dial offers zero-touch setup without requiring a phone number or email address. However, it does require a corporate or organization subscription and may necessitate a Mobile Device Manager (MDM) for some deployments. ### Is Glacier Dial free to use? Yes, Glacier Dial is available for free. However, its functionality is tied to a corporate or organization subscription, as it is deployed as a full-service solution. ### What devices does Glacier Dial support? Glacier Dial is currently supported on iPhone and iPod devices. It is designed for mobile and wired networks. ### How often is Glacier Dial updated? The latest version of Glacier Dial is 4.0.4, last updated on September 8, 2023. This indicates a relatively active development cycle for the application. ### What is the age rating for Glacier Dial? Glacier Dial has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature or sensitive content. ### Does Glacier Dial have ads? No, Glacier Dial does not contain advertisements. The application is free and open source, focusing on providing a secure and uninterrupted communication experience. ## Version history (last 5 releases) ### 4.0.4 — 2023-09-08 - Fixed an issue with Contacts - Minor bug fixes and improvements Thanks for the great feedback! We're always looking for ways to improve the app. ### 4.0.3 — 2023-08-22 - Fixed an issue with Contacts - Minor bug fixes and improvements Thanks for the great feedback! We're always looking for ways to improve the app. ### 4.0.2 — 2023-06-15 - Fixed an issue that could cause calls to drop unexpectedly - Minor bug fixes and improvements Thanks for the great feedback! We're always looking for ways to improve the app. ### 4.0.1 — 2023-04-11 - Increased security with optional 2FA (two factor authentication) - Minor bug fixes and improvements Thanks for the great feedback! We're always looking for ways to improve the app. ### 4.0 — 2023-01-20 - Updated support link - Minor bug fixes and improvements Thanks for the great feedback! We're always looking for ways to improve the app. Email info@glaciersecurity.com with any comments. ## More apps by Glacier Security, Inc. - [Guardian by Glacier](https://appshunter.io/ios/app/guardian-by-glacier/id1240894558) All apps by Glacier Security, Inc.: https://appshunter.io/developer/1356635076 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*