The flashiest comparison revolves around the Glyph interface - it's a simple Glyph bar on the non-Pro and a full-on circular dot matrix display on the Pro. Getting technical for a bit, the Pro has 137 LEDs, while the regular has just 63. As you can imagine, you can do all sorts of clever stuff with the Glyph Matrix on the Nothing Phone (4a) Pro - animating your timer, different callers, you can even use it as a selfie display for the main camera.
Platform lock-in is a thing, and Apple has it better than most. Apple provides an entire ecosystem of devices and cross-device functionality that most other OEMs can't match. It's not that Samsung doesn't have an ecosystem of its own, but Apple's devices are designed from the ground up to work together. They're on a level of detail that other ecosystems -- including Samsung's -- can't really compete with.
We're in that part of the year where smartphone makers duke it out for the proverbial heavyweight belt. In the United States, Apple's iPhone tends to be the undisputed champ year after year. The challengersalmost exclusively Google and Samsungare young and hungry's preferred by some tech editors, but ultimately fall short on cultural impact or widespread appeal. The fact that there is an entire subsection of internet jokes focusing on "green text bubbles" proves that more than any real stat could.