Samsung Galaxy S7 and Samsung Galaxy S7 Edge are Android smartphones manufactured and marketed by Samsung Electronics. The S7 series is a successor to the 2015 Galaxy S6, S6 Edge and S6 Edge+, and was officially unveiled on 21 February 2016 during a Samsung press conference at Mobile World Congress, with a European and North American release scheduled for 11 March 2016. As with the S6, the S7 is produced in a standard model with a display size of 5.1 inches, as well as an Edge variant whose 5.5-inch display is curved along the wide sides of the screen.

The Galaxy S7 is an evolution of the prior year's model, with notable improvements to the camera, including restoring features from the Galaxy S5 such as IP certification for water and dust resistance, as well as expandable storage.
The iPhone SE (iPhone Special Edition[3]) is a smartphone designed and marketed by Apple Inc. as part of the iPhone series of devices. It was unveiled on March 21, 2016, at Apple's Cupertino headquarters and was released on March 31, 2016. The iPhone SE serves as a replacement for the iPhone 5S: it maintains a 4-inch screen size and nearly identical design to the 5S, but includes selected hardware upgrades from the larger iPhone 6S model, including its updated processor, rear camera, and support for iOS 9 software features, such as Apple Pay, always-on Siri activation, and Live Photos.
Apple Watch is a line of smartwatches developed by Apple Inc. It incorporates fitness tracking and health-oriented capabilities with integration with iOS and other Apple products and services. The original generation of the device was available in four variants: Apple Watch Sport, Apple Watch, Apple Watch Hermès, and Apple Watch Edition; each distinguished by different combinations of cases and first- or third-party interchangeable bands. Apple Watch relies on a wirelessly connected iPhone to perform many of its default functions such as calling and texting. It is compatible with the iPhone 5 or later models running iOS 8.2 or later, through the use of Wi-Fi or Bluetooth. Announced by Apple CEO Tim Cook in September 2014, the device was released in April 2015.[9][10] The Apple Watch quickly became the best-selling wearable device with the supply of 4.2 million smartwatches in the second quarter of the 2015 fiscal year.[11][12] The second generation of Apple Watch, released in September 2016, includes two tiers: Apple Watch Series 2 and Apple Watch Series 1,[13] which includes the S1P chip, but is otherwise identical to the original.