Stop chasing invoices.
Automated SMS and email reminders that follow up until your customers pay. Works on its own or connects to QuickBooks.
14-day free trial · No credit card required · For US contractors and freelancers
Getting paid shouldn't be the hardest part.
You did the work. You sent the invoice. Now you're waiting, and deciding whether to follow up again feels awkward.
Most invoice tools send a couple of email reminders and stop there. Nudge supports up to 9 due-date-based reminder stages by email, SMS, or both. Choose which stages are enabled for each invoice, and reminders stop when the invoice is marked paid.
No QuickBooks? No problem. Nudge works on its own too. Add invoices manually and let it handle the chasing.
How it works
See what gets sent
Edit the details — this is what your customer would receive.
✏️ Built-in messages become firmer at later stages. Pro users can customize reminder message templates.
14-day free trial · No credit card required
Works with QuickBooks. Or without it.
If you're on QuickBooks, connect your account in one click. Your invoices and customers sync automatically, while Nudge adds SMS plus up to 9 selectable due-date-based reminder stages per invoice.
Not on QuickBooks? Nudge works fine on its own. Add invoices manually and it handles the rest.
What Nudge adds:
- ✓ QuickBooks supports up to 3 automatic email reminders. Nudge supports up to 9 selectable due-date-based reminder stages.
- ✓ Nudge can follow up by SMS, email, or both.
- ✓ Choose which reminder stages are enabled for each invoice.
Use QuickBooks for the books. Use Nudge to get paid.
- Email & SMS reminders
- 200 SMS credits/month
- Up to 100 customers
- Up to 20 active invoices
- Up to 9 selectable reminder stages
- QuickBooks Online sync
- 750 SMS credits/month
- Unlimited customers
- Unlimited invoices
- Everything in Basic
- Up to 9 selectable reminder stages
- QuickBooks Online sync
- Custom reminder message templates
- Priority support
No credit card required
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From the blog: Invoice Reminder Software for Contractors · How Contractors Get Paid Faster · Digital Invoice Workflow for Contractors · What Is Progress Billing · Construction Change Orders · Contractor Payment Schedules · Deposit Invoice Template · More →
Common questions
Does Nudge work without QuickBooks?
Yes. Nudge connects to QuickBooks Online, and it also works standalone with invoices entered directly in Nudge.
Will my customers find the reminders annoying?
Nudge uses built-in reminder messages that become firmer as invoices age. You choose which due-date-based stages are enabled and whether an invoice uses email, SMS, or both. Pro users can customize reminder message templates.
What does it cost?
Basic is $9.99/month, Pro is $19.99/month. Both start with a 14-day free trial and no credit card required.
Can customers pay directly from the reminder?
Nudge does not process customer payments. Messages may include a secure mark-as-paid link, which is not a card-payment page.
A focused tool for small businesses
Built for small businesses that are tired of chasing invoices
Nudge is built by James Martin through JM Studio LLC in Ohio. The goal is simple: give contractors and small service businesses an affordable way to automate invoice follow-up without replacing their accounting software or turning every late payment into an awkward collections conversation.
About Nudge