Do I have to pay to use this app? And how much?

What business do you run? Are you a contractor and your client uses QB and wants to pay your fees?

I appreciate you coming here, fered1225. 

To use the QuickBooks Online app, you will need to subscribe to a plan. 

QuickBooks Online offers monthly and annual subscription options. The subscription fee varies depending on the plan you choose, and you can view your subscription info, update your payment method, and change your billing schedule within the app. Visit this page to review the plan available: Choose a QuickBooks plan.

Furthermore, if you are referring to using QuickBooks Online mobile, you need to install the application on your phone and log in to your account there with no additional fee.

Follow the steps below:

iOS app

To download the QuickBooks Mobile App:

1. Open the App Store on your device and search for QuickBooks Online. (It may not be available in some countries).
2. Select Free, then Install.
3. If you are already signed up for QuickBooks Online, use the same user ID and password to sign in to the app.
4. You may be asked to enter a one-time code to confirm your identity. Once confirmed, you can continue into your account.

Android app

To download the QuickBooks Mobile App:

1. Open Google Play on your device and search for QuickBooks Online. This app works on smartphones and tablets. (It may not be available in some countries).
2. Select Install.
3. If you are already signed up for QuickBooks Online, use the same user ID and password to sign in to the app.
4. You may be asked to enter a one-time code to confirm your identity. Once confirmed, you can continue into your account.

For best results while using the QBO mobile app, refer to this page to see the device compatibility: QuickBooks Online access for mobile devices.

However, if you're referring to the QuickBooks Desktop app, you can also visit this page to see the plans and promo: Download and use the QuickBooks Online desktop app.

We are still here if you need more guidance managing your account. Please Notify us by adding a comment. Have a fabulous day ahead.