I don't think apple ID is based solely on looks, you need to consider the taste too and for cookers, just how they cook (some turn quickly into fluff (Bramley I think) while others stay as chunks/slices.
To know when they're ripe, cut a specimen in half and see if the pips are still white or have gone brown or just wait until you can lift them off their stalk with no effort.
If anyone knows, can apples with white pips be stored successfully or do I need to wait until they go brown? The reason I ask is that my eaters are being hacked with blackbird holes and the cookers are being blown off the tree and being eaten by the geese and the dogs (I know, poisonous pips but the dogs don't eat many, usually just around the edges too)
[member=215700]KirinChris[/member] can you post pics of your apples and we'll see what we can do? Where you are might help ID too