Depends on what you do all day. My phone is sitting on the desk next to me, charging. My wife or daughters may or may not text me as some point, most days they do not. Shortly before I leave I will text my wife that I am going running, and I have to call back an insurance adjuster. That's all the phone will get used for. If someone wants my attention here at work, they will either stop by, call my desk phone, send an email, or send me a Slack message. I have a three year old Moto X that cost $400 after rebate. I may replace it next year or I may not, it's working fine. My wife and daughters all have IPhones, they cost $750 each and I require that they keep them a minimum of three years. My wife will keep hers until the battery won't keep a charge, my daughters will probably want new phones after that three years is up.
I don't personally use Apple products, I think they're overpriced and I don't like their user interface, but they are good quality.