Zoho Solo

For solo work, an application to manage tasks, keep track of expenses, control payments, and everything else needed to streamline a business, and an app presented as an all-in-one toolkit to help run business smoothly.

The Free plan is structured to provide business essentials, and includes contact management (up to 100 in a year), tasks and reminders, and tools for invoices and expenses. The paid Pro plan adds mileage tracking, business card scanning, and payment processing.