Why Adeline's App Credit Score Was Not the Score Her Lender Saw

Adeline is a fictional buyer, but her situation comes up often. She opens a free credit app, sees a number she likes, and tells her agent she is ready to buy. The agent starts planning around that number. Then a lender pulls her credit for the mortgage, and the number is different.

Nobody did anything wrong. They were simply looking at two different yardsticks.

Why the app number and the lender number can differ

A credit score is not one universal number. It is the output of a scoring model, and there is more than one model in use. A free app chooses a model for its own reasons. A mortgage lender pulls credit under mortgage requirements. When those two do not match, the buyer feels like something went wrong. In reality, the buyer was looking at a different score than the one the lender sees.

For agents and referral partners, this matters because the number a buyer quotes tends to shape the whole plan: the budget, the timeline, even how confident the buyer feels walking into a showing.

What the FHFA says about VantageScore 4.0

The Federal Housing Finance Agency publishes a policy page called "Credit Scores," updated 2026-09-09. It says:

"All Fannie Mae and Freddie Mac approved lenders may now use VantageScore 4.0 when originating and selling eligible loans to the Enterprises."

The same page explains that this expanded availability removed the requirement for prior written approval, and that lenders may continue to use Classic FICO scores or use VantageScore 4.0 in accordance with the requirements in the Selling Guides.

In plain words, the scoring model behind a mortgage credit pull is not something a buyer can read off a phone. It depends on the lender and on the requirements that lender follows. An app can show a perfectly legitimate score that still is not the score a particular lender relies on.

What this means for your buyers

The app score is a useful starting point. It can tell a buyer whether their credit is generally moving in the right direction. It cannot tell them what a lender will see on a mortgage file. If a buyer treats it as a final answer, two things can happen. A buyer who thinks they are in great shape can be caught off guard. A buyer who thinks they are in bad shape may hold off on a conversation they should have had sooner.

I will not guess at how far apart two scores might be for any one person, because it varies. That is exactly the point. The only way to know is to look at what the lender sees.

The one thing to do today

Here is the tactic, and it is easy to say out loud: tell buyers to stop quoting app scores and get a real mortgage credit pull from a lender.

When you are working with a buyer, put that conversation before the budget and before the timeline. Ask the lender which scoring model they are using and how it fits the loan being considered. Then plan around that answer instead of a screenshot.

How I approach it

When a buyer like Adeline comes to me, I start with a real credit pull so we plan around what the lender actually sees. My brand promise is simple: I find the path. I have been licensed since 2015, and I am licensed in SC, GA, FL, AL, MS, NC, VA, WV, WY, and IA, so I can work with buyers and agents across a lot of markets.

If you have a buyer who is quoting an app score, send them my way, or call me at 843-LOW-RATE. I will walk them through what a lender actually sees.

Home Loans Inc - Jason Sharon, Mortgage Broker. Company NMLS #1728740, Jason Sharon NMLS #1281448. Equal Housing Opportunity.