The reason I ask what you will be using it for is to determine which set of features you need. If you're going to be using it for simpler activities, don't go all out for a Black edition with a 60fps, 1080p cam (all HERO3's are 1080p, anyways). The reason the Black Edition is so expensive is because of the crazy quality it has, and if you're using it for a more simple basis I wouldn't worry about the difference. The Silver or even White is perfectly fine for you. The main difference between these two is the white's camera has a 5 megapixels with 3fps burst while the silver is 11 megapixels with a 10 fps burst -- is that worth $100 to you?
What GoPros are compatible with the app?
Although obvious, I put this here first because this is one of the most important factors when purchasing your camera. The HERO3 has three editions (white, silver and black), ranging from $199 - $399 (prices continue to drop annually as newer versions are released -- we'll keep you updated on those). The HERO2's are at the bottom of this gap, but aren't as "new" and lack some features the 3's have (they're discontinued at this point but can be found on the net here and there).
Now that you've considered the features of the GoPro cameras and if the price is worth the activities you will be using it for, it is time to figure out which edition you need. The White and Silvers come in only one, so you will have to purchase specific mounts/parts you will need separately (do the math, the Black Editions with the mounts you need & WiFi accessories are a financially smart to purchase instead of a cheaper cam and everything else separately if that's what you may be doing).
Although not necessarily the most important component, a defining element of a GoPro is its lens. Rather than using a standard lens, GoPros — like many other action cams — use an extremely wide lens. What this does is increase the amount of scenery you capture in the frame, making it easy to frame your shot. Mount it to your handlebars or the side of your helmet, and you can rest assured that it sees just about anything that happens in front of you.
How do I connect my GoPro to my desktop?
How much is a waterproof GoPro?
A. It depends on how big of a memory card you use with your GoPro. GoPro cameras work with standard SD cards, which are affordable and come in all different quantities. In most cases, it pays to get a memory card with plenty of storage. GoPro videos, especially those shot in 4K, can produce especially large files that can eat up storage faster than you think. We recommend getting an SD card with at least 128GB of available storage.