There’s a lot of loyalty apps around nowadays. Supermarkets, airlines and other big brands all seem to have one. And that can make it tough to work out which ones are actually worth your time. And which ones you’ll want to steer well clear of. So, to narrow things down a bit, we’ve rounded up some of our favourites that definitely deserve a download. But first, here’s a few quick points on why you should even bother with them:Earn points on everyday purchases – Lots of loyalty apps let you build up points on your regular shopping, which can then be redeemed later on for cheaper prices and handy rewards. Receive exclusive discounts – Members usually get access to unique offers that aren’t available to everyone else. You’ll be able to feel smug while everyone else pays top dollar. Unlock special offers – From time limited dea