Hi there maags1950-gmail-,

QuickBooks Online can be accessed through mobile app and web browsers. There is no additional cost when accessing your QuickBooks Online account via a web browser.

Here's how you can access your account:

1. Log in to QuickBooks Online through https://qbo.intuit.com
2. Enter your User ID and password.
3. Once done, you'll be routed  to your QuickBooks Online account and continue to reconcile your bank account.
4. To reconcile a bank account, click on the Gear Icon, and click Reconcile.

You can check this article to learn more on how to Reconcile an account in QuickBooks Online.

Please know that you're always welcome to post if you have any other concerns.