Hello, @AviC.
I'll share some information about payroll. We're unable to recommend a payroll app. However, you can check online for any payroll applications that integrates with QuickBooks Online (QBO).
On the other hand, you can record your payroll transactions manually through journal entries. For the detailed steps and information, feel free to check out this article: Recording payroll transactions manually.
In case you need help with other QBO-related tasks, browse this link. It has help articles, Community discussions with other QuickBooks users, video tutorials and more: View all help articles.
Reach out to me again if you need help with anything else or with QuickBooks. I'll be around for you. Have a good one.