You won't feel a dramatic difference in day-to-day use if you have a recent iPhone model, but it'll be noticeable if you own an iPhone 12 or older, which is a testament to the iPhone's longevity ...
The iPhone 13 brings a few subtle updates compared to the iPhone 12, but you might find that the previous year's model offers better value. This phone has a bright, vibrant 6.1-inch OLED screen, but ...