Been looking into this whole credit-building debit card thing lately and honestly, it's more complicated than it sounds. So basically there are these newer fintech products like Extra, Sesame Cash, and Fizz that promise to help you build credit without the risks of traditional credit cards. Sounds good on paper right? But let me break down what I actually found.

The appeal is pretty clear — credit card debt in the US hit over a trillion dollars a few years ago, and with interest rates pushing APRs above 20%, a lot of people are getting crushed. Plus if you're young or have bad credit, getting approved for a regular credit card is basically impossible. That's where these best credit building debit cards come in.

Extra works by setting your spending limit based on your bank balance (no credit check needed). You load it up, make purchases, and they pay it off immediately from your checking account the next day. So zero debt risk. They report to Equifax and Experian monthly. Downside? You're looking at $149/year or $20/month for the credit-building plan, or $25/month if you want rewards too. That's not cheap.

Sesame Cash is basically a checking account with a prepaid Mastercard that creates a shadow credit line based on your spending. It reports to all three bureaus every month, which is better than Extra. But the setup is a hassle — you need to deposit $500 monthly or spend $1,000 a month to avoid fees. Plus there's a $3 inactivity fee if you don't use it within 30 days.

Fizz is the simplest — no fees, connects to your checking account, works like a normal debit card. The catch? It only works on iOS right now. Your purchases get reported to all three credit bureaus at month-end.

Here's the thing though — the early data shows these cards actually do work. Extra users saw credit scores jump about 48 points on average in a year. Sesame Cash users saw roughly 35-point increases. That's legit.

BUT (and this is a big but) a certified financial planner I read about made a solid point: why pay all these fees when secured credit cards exist and are basically free? Or student credit cards? Those are the best credit building options if you're just starting out. Yeah, there's more risk of overspending, but the limits are low and you actually earn rewards.

If credit cards scare you entirely, there are other ways too — just make your student loan or auto payments on time and use a rent-reporting service.

So are these debit cards worth it? Probably not if you have other options. They work, but they're kind of the expensive way to do something you can do cheaper elsewhere. Just my take after digging into this.