Is Tech Armor ballistic glass good?

SO I've personally always used screen protectors, usually zagg, however I recently tried the zagg glass for my iPhone 6 and iPad air 2,I liked the feel and everything, it's just the cheapest made protector I've ever bought. Never lasted for more than a week without chipping or cracking. I Need a different brand, I heard tech armor is good, I'm just a little skeptical because the price is so low. I Know the fit isn't that great, just like the zagg isn't, but what I'm wondering is does it last? TThis is for the iPhone, I'll worry about the iPad later. If tech armor isn't good then who is? Reviews kind of aren't truthful, they say zagg glass good, but in my experiences it's not. Never drooped my phone or iPad, so it's not that. TThanks.