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A walkie-talkie, more formally known as a handheld transceiver (HT), is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola. First used for infantry, similar designs were created for field artillery and tank units, and after the war, walkie-talkies spread to public safety and eventually commercial and jobsite work.
This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York area code ring in Tokyo.
FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime is available on supported iOS mobile devices running iOS 4 and later and Mac computers that run Mac OS X 10.6.6 and later. FaceTime supports any iOS device with a forward-facing camera and any Mac computer equipped with a FaceTime Camera. FaceTime Audio, an audio-only version, is available on any iOS device that supports iOS 7 or newer, and any Mac with a forward-facing camera running Mac OS X 10.9.2 and later. FaceTime is included for free in iOS and in macOS from Mac OS X Lion (10.7) onwards. Since the release of iOS 15 and macOS Monterey, non-Apple systems can be used to participate in FaceTime calls using a web client.
iPadOS is a mobile operating system developed by Apple Inc. for its iPad line of tablet computers. It is a rebranded variant of iOS, the operating system used by Apple's iPhones, renamed to reflect the diverging features of the two product lines, particularly the iPad's multitasking capabilities. It was introduced as iPadOS 13 in 2019, reflecting its status as the successor to iOS 12 for the iPad, at the company's 2019 Worldwide Developers Conference. iPadOS was released to the public on September 24, 2019. The current public release is iPadOS 15.5, released on May 16, 2022.
iMessage is an instant messaging service developed by Apple Inc. and launched in 2011. iMessage functions exclusively on Apple platforms: macOS, iOS, iPadOS, and watchOS.
Messages is an instant messaging software application developed by Apple Inc. for its macOS, iOS, iPadOS, and watchOS operating systems.
Voxer is a Dallas based mobile app development company best known for its free Voxer Walkie Talkie app for smartphones.
Zello is a tech software company in Austin, Texas, US, known for the Zello app, which emulates push-to-talk (PTT) walkie-talkies over cell phone networks.
Apple Watch is a line of smartwatches produced by Apple Inc. It incorporates fitness tracking, health-oriented capabilities, and wireless telecommunication, and integrates with iOS and other Apple products and services.
watchOS is the operating system of the Apple Watch, developed by Apple Inc. It is based on iOS, the operating system used by the iPhone and iPod Touch, and has many similar features. It was released on April 24, 2015, along with the Apple Watch, the only device that runs watchOS. watchOS exposes an API called WatchKit for developer use.
The iPad Air 2 is the second-generation iPad Air tablet computer designed, developed, and marketed by Apple Inc. It was announced on October 16, 2014, alongside the iPad mini 3, both of which were released on October 22, 2014. The iPad Air 2 is thinner, lighter and faster than its predecessor, the iPad Air, and features Touch ID with the height, width and screen size the same as the iPad Air.
iOS 12 is the twelfth major release of the iOS mobile operating system developed by Apple Inc. Aesthetically similar to its predecessor, iOS 11, it focuses less on new functions than on performance, quality improvements and security updates. Announced at the company's Worldwide Developers Conference on June 4, 2018, iOS 12 was released to the public on September 17, 2018. It was succeeded for the iPhone and iPod Touch by iOS 13 on September 19, 2019 and for the iPad by iPadOS 13 on September 24, 2019. Security updates for iOS 12 continued for three years following the release of iOS 13 for devices unable to run the newer operating system. Security updates then ceased for iOS 12, making 12.5.5 the last update for iOS 12.
iOS 13 is the thirteenth major release of the iOS mobile operating system developed by Apple Inc. for their iPhone, iPod Touch, and HomePod lines. The successor to iOS 12 on those devices, it was announced at the company's Worldwide Developers Conference (WWDC) on June 3, 2019, and released on September 19, 2019. It was succeeded by iOS 14, released on September 16, 2020.
iPadOS 13 is the first major release of the iPadOS mobile operating system developed by Apple Inc. for their iPad line of tablet computers. The successor to iOS 12 on those devices, it was announced at the company's 2019 Worldwide Developers Conference (WWDC) on June 3, 2019, as a derivation from iOS, with a greater emphasis on multitasking and tablet-centric features. It was released on September 24, 2019. It was succeeded by iPadOS 14, released on September 16, 2020.
iOS 14 is the fourteenth major release of the iOS mobile operating system developed by Apple Inc. for their iPhone and iPod Touch lines. Announced at the company's Worldwide Developers Conference on June 22, 2020 as the successor to iOS 13, it was released to the public on September 16, 2020. It was succeeded by iOS 15 on September 20, 2021.
The iOS mobile operating system developed by Apple Inc. has had a wide range of bugs and security issues discovered throughout its lifespan, ranging from security exploits discovered in most versions of the operating system related to the practice of jailbreaking, as well as bypassing the user's lock screen, to issues relating to battery drain, to crash bugs encountered when sending photos or certain Unicode characters via text messages sent through the Messages application, and general bugs and security issues later fixed in newer versions of the operating system.
Comparison of user features of messaging platforms refers to a comparison of all the various user features of various electronic instant messaging platforms. This includes a wide variety of resources; it includes standalone apps, platforms within websites, computer software, and various internal functions available on specific devices, such as iMessage for iPhones.
Pre-installed iOS apps, referred to in the App Store as 'Built-In Apps', are a suite of mobile applications developed by Apple Inc. which are bundled with iOS and installed by default or through a system update. Many of the default apps found on iOS have counterparts on Apple's other operating systems macOS, iPadOS, watchOS, and tvOS, which are often modified versions of or similar to the iOS application. As each app is integrated into the operating system itself, they often feature greater support for system features than third-party alternatives and are quick to adapt new features of iOS.
iOS 15 is the fifteenth and current major release of the iOS mobile operating system developed by Apple for its iPhone and iPod Touch lines of products. It was announced at the company's Worldwide Developers Conference on June 7, 2021, as the successor to iOS 14, and released to the public on September 20, 2021.
iOS 16 is the 16th and upcoming major release of the iOS mobile operating system developed by Apple for its iPhone line of products. It was announced at the company's Worldwide Developers Conference on June 6, 2022, as the successor to iOS 15.
References
- ↑ "How to use the Apple Watch's Walkie-Talkie function". AppleInsider. Retrieved 2020-12-30.
- ↑ "Apple disables Walkie Talkie app due to vulnerability that could allow iPhone eavesdropping". TechCrunch. Retrieved 2020-12-30.
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