JPMorgan Chase launched an online bank for millennials called Finn, and I prefer it to the real thing

To be sure, you don't need to bank with Chase to open a Finn account. In fact, new customers are eligible for $100 when they open an account. The sign-up process is just as quick as other personal finance apps, requiring information like date-of-birth, address, and Social Security number.

The interface is pretty simple with three portals: savings, checking, trends.

In the checking account section you can see a breakdown of your financial transactions, including money coming in and coming out. I transferred $850 from my traditional Chase account via the app in a matter of seconds. I used that money to pay for my rent (More on that later). But that transaction shows up as "bills & utilities." Through the trends portal, users can get a sense of where their money is being spent. It definitely falls short of the budgeting features of companies such as Mint and Personal Capital.

Since I only bought one thing on my account so far, I will use an example from Chase to show what the trend portal looks like after a user makes a number of purchases. You can see a breakdown for each month. There's over 10 categories including shopping, transportation, travel, and home.

The savings shows you how much money you are bringing in from your various autosave rules and transfers. To put money into savings you simply can move it from checking in seconds. Or set up rules that automatically transfer the cash from checking to savings based on a number of factors.

The app's autosave rules expand on the functionality popularized by investment apps such as Acorns, Digit, and Stash. Acorns, which is known for pioneering so-called round-up investments, allows users to invest the spare change from checking account purchases in the markets. Finn users can do something similar. The so-called Pocket Your Pennies rule rounds up checking account purchases and transfers them over to a user's savings, not the markets.

This rule, which I hope is a humorous tip of the hat to "Mean Girls," allows a user to save a certain amount of money whenever a user spends a certain amount. As an example, I instituted this rule to save $2 whenever I spend $20 until I reach the limit of $250. I will use that cash for a trip to the Alamo in Texas.

Through the move money tab you can pay your bills, send money to friends via Zelle, deposit checks, and mail a check.

You can set bills and check payments to be reoccurring so they go out automatically without you having to do anything.

The fact that you can send checks from the app was especially appealing to me. It takes about a week for them to print it and then send to the recipient.

For some reason the app allows you to rate your transaction. I don't know why anyone would want to do it. But Chase told me that people really like it.

If you like it, can you please email me at fchaparro@Businessinsider.com and explain why.

Since Finn customers don't get access to bank branch services, they can only withdraw money from Chase ATMs and partner ATMs. In areas where there are no bank branches, such as on Cape Cod where I am vacationing, there's a number of partner ATMs from which you can withdraw cash at no cost.