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Invoice + Contract Bundle
Generate and send contracts with e-signature before invoicing
Freelancers and small agencies lose cash flow because overdue invoices are chased manually and inconsistently.
Freelancers, studios, and boutique agencies managing 5-100 invoices per month.
A lightweight collections-first workflow for solo operators without full accounting overhead.
Broad freelancer suite, reminders are secondary
Strong invoicing, less focused on automated collections
Simple invoice tooling, basic reminder rules
Use these to sharpen positioning or carve out a narrower wedge.
Generate and send contracts with e-signature before invoicing
Auto-create Stripe invoices and trigger reminders from payment events
Send invoice reminders via WhatsApp instead of email for higher open rates
Dashboard for agencies managing invoices across 10+ clients
Break the build into phases with rough timing and concrete tasks.
Interview 10 freelancers about late invoice pain
Recommended tools for this idea — with the reason why each one was chosen.
Renders the dashboard where users manage invoices and reminder schedules.
Styles the invoice dashboard and reminder configuration UI.
API endpoints for creating reminders, triggering sends, and Stripe webhooks.
Manages invoice records, reminder schedules, and send history.
Stores invoices, clients, reminder sequences, and payment status.
Handles subscription billing for the SaaS itself.
Sends email reminders to clients on behalf of the user.
Sends SMS reminders for overdue invoices.
MVP = Minimum Viable Product — the smallest version you can ship to real users and learn from. Keep it narrow enough to launch and validate quickly.
Freemium
Free Tier: Basic invoice creation and reminders
Pro Tier: Unlimited invoices with advanced features
$19/mo for unlimited invoices + SMS + templates
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