Can I close down this app without being charged the coming months?

Yes, you can close down the QuickBooks app without getting charged for the coming months, @gettorashy89-gma. 

We're sorry to see you go. However, if you wish to close it down, you can cancel your QuickBooks Online subscription depending on where you signed up for your subscription.

If you purchased this through the Apple App store, here's what you need to do:

1. Proceed to the Settings app on your iPhone or iPad.
2. Choose your Name to access your Apple ID.
3. Click Subscriptions.
4. Select QuickBooks Online and choose Cancel.

You can also use the official steps to cancel a subscription from Apple.

To cancel a subscription purchased through the Google Play Store, here are the steps you need to take: 

1. Proceed to the Play Store app.
2. Click the Profile icon.
3. Choose Payments & subscriptions, then select Subscriptions.
4. Click the QuickBooks Online app.
5. On the Manage subscriptions window, select Cancel subscription.

You can also use official steps to cancel a subscription from Google.

For additional information, you can also check out this article for your reference: Cancel your QuickBooks Online subscription or trial. 

You can also reactivate your subscription once you decided to open your account to help manage and track your business. 

Feel free to leave a comment below if you have further questions about canceling and closing your QuickBooks Online app. I'll be around to assist you always. Keep safe!