Best Billing and Invoicing Software for Apple Calendar

OrdoGrid serves as an online invoicing and business-document solution tailored for freelancers and small enterprises, primarily emphasizing Belgian invoicing practices and the Peppol network. The platform allows users to generate and oversee various documents such as quotes, invoices, payment requests, receipts, and credit notes, while also enabling the conversion of quotes into invoices, emailing documents, and monitoring Peppol delivery confirmations. Additionally, it includes features for maintaining customer information, creating payment links, importing bank statements, and matching payments seamlessly. For project management, users can utilize Kanban boards to arrange tasks, track time dedicated to each project, and sync these tasks with calendars from Google, Outlook, or Apple. Businesses subscribed to the Business plan can access a REST API for further integration capabilities. OrdoGrid also provides a permanently free plan that allows users to receive an unlimited number of Peppol invoices and send one invoice monthly, alongside various paid subscriptions that offer enhanced document management, project tracking, and payment functionalities, ensuring users have flexible options to meet their needs. This comprehensive approach makes OrdoGrid an appealing choice for those looking to streamline their invoicing process effectively.

Coretool is an online invoicing platform designed specifically for freelancers, sole traders, tradespeople, small service businesses, and other enterprises in Germany. With this application, users can generate and oversee quotes and invoices, including compliance with XRechnung and ZUGFeRD e-invoicing standards, manage customer relationships, issue payment reminders, and schedule appointments. The software integrates GiroCode QR codes, facilitates digital signatures for quotes, and enables e-invoice document validation through its REST API. By utilizing API-based workflows, users can link Coretool with automation platforms like Make, Zapier, and n8n, though access to certain specialized modules may require approval. Additionally, it allows users to incorporate calendar feeds into Google, Apple, or Outlook calendars. An optional Kalkulations-Assistent feature aids in estimating projects, calculating materials and labor, and producing quotes. Coretool operates entirely within a web browser, eliminating the need for any local software installation. The free plan permits the issuance of three invoices each month, while the Solo plan is available for €9 per month plus VAT and offers the flexibility of monthly cancellation. Furthermore, the intuitive interface makes it easy for users to navigate through the various functionalities and enhance their invoicing experience.