Nudge
Most contractors lose hours every week chasing unpaid invoices manually. Nudge fixes that — add an invoice once and it automatically follows up until the customer pays. Users add invoices, and the system sends reminders on a customizable schedule, stopping once payments are marked as paid to streamline collections and minimize administrative tasks. Default reminders are sent three days before, on the due date, and at intervals of three, seven, and fourteen days after. Users can customize schedules up to thirty days overdue and choose email, SMS, or both. Messages can be personalized with templates and merge fields for customer names and invoice details. The platform integrates with QuickBooks for easy invoice imports, reducing manual entry. Additional features include customer management, invoice attachments, email notifications for sent reminders, and tracking unpaid, overdue, and paid invoices.
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PayPort Direct
PayPort Direct is invoice payment software for small businesses, vendors, contractors, consultants, agencies, and service providers. The platform helps businesses create customer records, generate invoices, send secure online payment links, and accept card or ACH payments through Stripe. Vendors can manage invoices from a dashboard, track payment status, and see whether invoices are draft, sent, overdue, canceled, or paid. PayPort Direct is designed for businesses that want a simple way to collect invoice payments online without needing a full accounting system or custom payment infrastructure. It is especially useful for service-based businesses that want to reduce manual follow-up, make invoices easier for customers to pay, and keep payment activity organized in one place.
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BillSend
BillSend makes it simple for tradespeople to send professional quotes and invoices — no accounting software required. Every document is automatically branded with your logo, colours, and contact details. Quotes convert to invoices in one click, with no duplicate data entry.
Customers approve quotes via a shareable link — no login needed — and pay directly through the invoice using Stripe. A pipeline view shows the status of every quote and invoice: sent, viewed, approved, or overdue, with automated reminders so you're not chasing payments manually.
Works across mobile and desktop, supports multiple currencies for international clients, and includes reusable templates for repeat jobs. A free invoice generator and quote calculator are also available without creating an account.
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Envoice
Track your invoice activities. Learn when your client opened, downloaded and paid your invoice. Set automated invoices that are created and sent to your customers on a recurring schedule. We'll sent automatic reminders to your client for every overdue invoice. You'll get a Statement of Success that makes it easy to read and understand how much you have earned. Create a simple online store customized with your colors and branding. Create instant checkout links, helping you sell on social networks and through emails. Create embed buttons that links to a checkout and add them to your website. Simple and fast product creation with many features attached. Filter and manage statuses of your orders created by your sales. Filter your invoices by number, client, date, amount and status.
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