Invoice.app vs seashellOS

Invoice.app is a powerful yet simple invoicing solution designed with ease of use in mind. Tailored for freelancers, contractors, and small business owners, it’s the ideal tool for managing finances efficiently. Available on iOS, iPadOS, macOS, and the web with seamless syncing across devices, Invoice.app is ready to support your business, wherever you are. Main Features: - Create invoices, estimates, purchase orders, and credit memos - Export multiple documents at once for streamlined workflows - Track and export expenses - Customize PDF templates - Manage clients and document items - Keep track of payments - Work offline - Sync data across all devices - Offer discounts on items or total - Convert estimates into invoices - Calculate taxes and totals - Use search, filter, and sorting options E-Invoicing Invoice.app keeps you compliant with national e-invoicing standards: - Poland (KSeF): send and receive invoices through the National e-Invoicing System - Germany (ZUGFeRD & XRechnung): every invoice PDF embeds ZUGFeRD data (EN 16931), and public-sector clients also receive a standalone XRechnung file Plan Options Free - 3 invoices - 3 clients - Simple PDF template - Payment tracking - Multi-currency - Data export - E-invoicing - Cross-device sync Starter - All features from Free - Unlimited invoices & clients - Estimates, purchase orders & credit memos - Items - Unlimited custom tax rates - All PDF templates - Custom logo Premium - All features from Starter - Expenses - Time tracking - Multiple companies - Data import - Accountant export Terms of Service: https://invoice.app/terms Privacy Policy: https://invoice.app/privacy

seashellOS is the operating system for your client business — invoices, projects, bookings, contracts, galleries and messaging in one place, so you stop stitching six tools together. Built for anyone who works client by client: studios, freelancers, agencies, consultants, contractors and small service businesses of any kind. RUN THE WHOLE RELATIONSHIP • Clients and projects with everything filed against them • Invoices and payments, with automatic reminders • Bookings and scheduling with calendar sync • Contracts and quotes with e-signatures • Client messaging with file and photo sharing • Galleries and video delivery for finished work KNOW WHERE YOU STAND • Connected banking keeps income and expenses current • Mileage and time tracking • Revenue, outstanding invoices and profitability at a glance WORK FASTER WITH SHELLO Available on Pro+, Shello drafts agreements, builds quotes, writes client replies and surfaces what needs attention in your finances. — MEMBERSHIP seashellOS is free to start: up to 3 clients, 2 invoices a month, project management, contracts and client messaging. Paid plans are auto-renewing subscriptions: • Pro — $9/month or $86/year Unlimited clients and projects, bookings and calendar sync, connected banking, custom branding, mileage and time tracking, 10 GB storage. • Pro+ — $19/month or $180/year Everything in Pro, plus the Shello AI assistant, AI agreement generator, AI quote builder, AI financial insights, template library, 50 GB storage. • Team — $99/month or $948/year Everything in Pro+, plus team seats and shared access, a white-label client portal, custom domain and email branding, unlimited storage, and the gear rental platform. Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage your subscription and turn off auto-renew in your Apple Account settings after purchase. Any unused portion of a free trial period is forfeited when you purchase a subscription. Terms of Use: https://seashell-os.com/terms Privacy Policy: https://seashell-os.com/privacy