Quite often you can find the info with a little digging. The FAQ on the TransUnion site indicates that it is a VantageScore.
https://www.transunion.com/personal-credit/customer-support/faqs/credit-scores.page
Don't rely on oversimplifcations such as FICO/FAKO. Always consider the specific scoring model, CRA and relevance to a given creditor. Even FICO has a number of different scoring models used by creditors that evaluate report data differently and can even have different scoring ranges. Both of those will lead to different numbers being generated by different models. See also the Understanding FICO Scoring subforum and its stickies.
