If you simply want to keep track of business expenses (and maybe some invoicing), then check out InvoiceBerry. No learning curve like with accounting tools and at the end of the year you simply export two Excel files for your accountant.

Send out professional-looking invoices, payment reminders and accept payments

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• Create, send and manage your invoices in an intuitive interface
• Keep track of unpaid invoices, chase late paying customers and set up auto-reminders
• Accept payments directly on your invoices via Stripe, Square & co.
• Connect to over 6,000 other apps via Zapier and get custom Zapier workflow automation help for free
• 15+ years in the market

>>> https://www.invoiceberry.com

So many options out there. Try InvoiceBerry for a very simple and straight-forward one.