Kaliun

Contractor Invoicing Software Built for Progress Billing and Faster Payments

Send progress invoices tied to milestone draws, collect online card and ACH payments through the client portal, and sync every payment to QuickBooks. Flat 279 dollars a month, unlimited users, no per seat fees.

Invoicing Software That Fits How Contractors Bill

Milestone Progress Billing

Invoice each draw by percent complete so billing matches the work in the field.

Online Card and ACH

Clients pay invoices online by credit card, ACH, or bank transfer from the portal.

QuickBooks Sync

Every invoice and payment flows to QuickBooks, so no double entry at month end.

How Contractor Invoicing Works in Kaliun

Invoice #INV-1042 — Kitchen Remodel

Rodriguez Residence  ·  Due Apr 15, 2026

DescriptionQtyUnitPriceTotal
1. Pre-Construction & Assessment$39,000
Site Survey & As-Built Drawings
1LS$4,500$4,500
Structural Engineering Report
1LS$6,500$6,500
Permit Drawings & Submissions
1LS$28,000$28,000
2. Demolition & Site Prep$85,000
Interior Demolition & Haul-Away
1LS$47,000$47,000
Temporary Support & Shoring
320SF$119$38,000

Subtotal

Tax (8.5%)

Grand Total

$124,000

$10,540

$134,540

Build Progress Invoices From Your Project Budget

Turn proposals and milestone draws into branded invoices in seconds. Bill by percent complete and keep every invoice tied to the job budget.

  • Branded invoices with your company logo and colors
  • Generate from proposals, project budgets, or milestone draws
  • Bill by percent complete with retainage held back
  • Send by email or post straight to the client portal
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Invoices & Payments

2 of 3 paid  ·  $17,300 collected

Foundation & Framing

INV-001 · Jan 20
$12,500Paid

Electrical Rough-In

INV-002 · Feb 15
$4,800Paid

Plumbing & HVAC

INV-003 · Mar 5
$6,200Due

Collect Online Payments Through the Client Portal

Stop waiting on checks in the mail. Clients open the portal and pay each invoice by credit card, ACH, or bank transfer in a few clicks.

  • Credit card, ACH, and bank transfer accepted
  • Automatic receipts and payment confirmations
  • Partial payments and draw schedules supported
  • PCI compliant payment processing
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Payment Collection

Automated reminders & payment tracking

Invoice #1042

Martinez Kitchen Renovation

$12,400.00

14 days overdue
Reminder Sent
Mar 17, 2026 at 9:00 AM
Payment Link Viewed
Viewed 2h ago
Auto-remind in 3 days
3 paid this week
2 pending reminders
1 overdue

Track Every Payment and Sync to QuickBooks

Automated reminders chase past due invoices for you, and each payment posts to QuickBooks so your books stay current without manual entry.

  • Scheduled reminder emails before and after the due date
  • Past due escalation with automatic late fee calculation
  • Two way QuickBooks sync for invoices and payments
  • Payment status dashboard across every active project
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Frequently Asked Questions

What payment methods do you support?
Can I do progress billing?
Does it sync with QuickBooks?
Can I set up automatic payment reminders?

Yes. Configure reminder emails to go out before the due date, on the due date, and at intervals after. Past-due invoices can trigger escalation emails with late fee calculations.

Does Kaliun support partial payments on invoices?

Yes. Clients can make partial payments against any invoice, and Kaliun tracks the remaining balance automatically. You always know exactly how much is outstanding.

Can I save and reuse invoice templates?

Yes. Create reusable templates for common project types with pre-set line items, payment terms, and formatting. It saves time and keeps your invoicing consistent across projects.

How does Kaliun handle sales tax on invoices?

You can set up tax rates by jurisdiction and apply them to individual line items or entire invoices. Tax calculations are automatic and itemized on the client-facing invoice.

How much does contractor invoicing software cost?

Kaliun is a flat $279 per month with unlimited users, billed as one price no matter how many people you add. Most competitors charge per seat or hide pricing behind a quote, so costs climb as your office and field crew grow. You can try the full product free for 14 days with no credit card required.

Is there free invoicing software for contractors?

Many free invoice apps exist, but they usually cap features, lock progress billing, or recover costs through higher card-processing fees. Kaliun gives you a free 14-day trial of the complete product, then one flat $279 per month for unlimited users. You get full construction invoicing without per-seat charges or surprise upsells.

Can I do progress billing and milestone draws?

Yes. Kaliun supports construction-native billing, including progress billing, milestone draws, and partial payments, so you can bill as the job advances instead of all at once. Invoices tie back to your proposal and project budget, giving you a clear picture of what is billed, committed, and paid on every job.

Get paid faster with contractor invoicing software

Progress billing, online payments, QuickBooks sync, and a client portal for one flat 279 dollars a month with unlimited users. Start a 14 day free trial, no credit card required.

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