Zoho Books Professional (billed monthly)

Zoho Books Professional — full-featured online accounting billed monthly for flexibility. Everything in Standard plus purchase orders, sales orders, vendor bills, and project-based accounting.

Plan details: Up to 3 users, purchase order and sales order management, bill payments and vendor credits, recurring transaction automation, project time tracking with cost allocation, inventory tracking, and multi-currency support.

Monthly billing advantage: No annual commitment required. Scale up or down as your business needs change. Ideal for seasonal businesses or teams evaluating whether Professional-tier features justify the investment.

Best for: Growing businesses that need accounts payable, purchase orders, and project billing — but want the flexibility of month-to-month billing while they scale.