Friut trees, red and other fruit is purple, have pits like cherries

Question

Waht is it, very juicy, sweet, like a plum on the inside, as big as grapes, others red like cherry tomatoes, has a pit inside like a plum, very good tasting the red fruit is like a plum, other fruit like a grape, both growing on a tree here in Colorado, bursting with fruit, HELP, what the heck is it?

Answer 1

I bought 2 trees several years ago that were called fruit cocktail trees.

They had grafted branches from 5 similar fruits onto one root stock.

By the time I got them through the mail some of the branches were broken and 1 tree only lived 1 year.  I still have the other and it produces red plums and peaches, up until a couple of years ago it had red plumbs, purple plums and peaches.

It sounds like you have a similar tree.