Starting at $120 USD per company per month Please see Breadwinner's website for pricing information. https://breadwinner.com/xero-salesforce/pricing/
Breadwinner for Xero offers a robust two-way integration solution that intuitively connects Xero and Salesforce. Businesses can streamline their processes and work in real time through Breadwinner’s advanced technology.
Full Terms and Conditions are listed at https://breadwinner.com/master-subscription-agreement/