Your credit score can be different depending on which of the three big credit companies you look at (Equifax®, Experian®, TransUnion®). Each of them has its own way of scoring and gets its info from different sources, As a result, there may be different credit reports pulled by each bureau depending on when the data was obtained.
Additionally, financial institutions and companies that offer credit scores may use various methods, StellarFi uses Vantage 3.0 while others rely on FICO®.
