With the advent of image stabilization on smartphones, the action camera market has become somewhat less important in recent years. After all, your phone is probably waterproof and something you already carry with you. However, there are still situations where an action camera is preferable, especially if you want to easily attach it to your bike, helmet or chest. And there's one company that makes action cameras better than the rest: GoPro . Although there's more competition now, GoPro still has arguably the best all-around action camera ecosystem. And thanks to some product lines that have been revamped in recent years, the sheer number of options has been reduced to make choosing much easier. So which GoPro should you buy?