Invoice Ninja vs Karbon Pricing (2026)

How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.

Invoice Ninja Karbon
Starts at $14/mo $79/mo
Number of plans 4 3
Free plan
Free trial
Pricing model hybrid per-seat

Free

$0/mo
  • 5 Clients + Unlimited Invoicing
  • 4 Professional Invoice Templates
  • Brand Invoices with Your Logo
  • Accept Payments Online with a Click
  • Auto-Billing & Recurring Invoices
  • Product & Inventory Management
  • Create Projects & Track Billable Time
  • Kanban Boards for Projects
  • Setup Vendors & Track Expenses
  • Client-Side Invoice & Payment Portal
  • Accept Deposits & Partial Payments
  • Real-time Invoice PDF Preview
  • Automatic Currency Conversions

Ninja Pro

Popular
$14/mo
  • Unlimited Clients & Invoices
  • Remove "Created by Invoice Ninja"
  • Email via Gmail, MSN & custom SMTP
  • Branded URL: YourSite.invoicing.co
  • 11 Professional Invoice Templates
  • Fully Customize Invoice Designs
  • API Integration with 3rd Party Apps
  • Auto Late-Payment Reminder Emails
  • Reports: Invoices, Expenses, P&L
  • Bulk Email Invoices & Quotes
  • Interlink 10 Companies with 1 Login
  • Auto Sales Tax Calculation (US States)
  • Client Group Settings

Enterprise

$18/mo
  • Add Account Users (up to 100!)
  • Set Access Permissions per User
  • Attach Files to Emails & Client Portal
  • Branded Portal: Billing.YourCompany.com
  • Bank Account Sync (Yodlee / GoCardless)
  • e-Invoicing & PEPPOL Network Access
  • 250 PEPPOL credits included
  • Lock Documents Until After Payment
  • Client & Vendor Document Upload

Premium Business

Custom
  • Developer Concierge
  • Direct Priority Support
  • Invoice Design Service
  • Feature Request Priority
  • Data Migration Assistance
  • Custom Reports Built for You

Team

$79/mo
  • Integrated Email
  • Team Collaboration Tools
  • Workflow and To-Do Lists
  • Time Tracking & Budget Reporting
  • Billing
  • Payments
  • Engagements

Business

Popular
$109/mo
  • Automatic Client Reminders
  • Task Automation
  • Industry Integrations

Enterprise

Custom
  • Enterprise Platform
  • Dedicated Karbon Contact
  • Customization
  • Unlimited Usage Limits

Invoice Ninja vs Karbon FAQ

Which one is cheaper?
Invoice Ninja starts lower at $14/mo, compared to $79/mo for Karbon.
Can I use either one for free?
Invoice Ninja has a free plan. Karbon doesn't — you'll need to pay from day one.
How do they charge?
Different approach here. Invoice Ninja uses hybrid pricing, while Karbon goes with per-seat. That changes the math depending on your team size and usage.
Which one is a better deal?
Depends on what you need. Invoice Ninja: At $14-18/mo entry pricing with a genuinely usable free tier, Invoice Ninja undercuts most invoicing/accounting SaaS competitors that charge $25-50/mo just to get started. They're clearly playing the budget-conscious freelancer and small-agency card, not chasing enterprise accounts that want white-glove service — though the custom Premium tier is a hedge to not leave that money on the table. Karbon: Karbon sits in the premium tier of practice management software — there's no free plan, no trial, and both published tiers run higher than budget alternatives aimed at solo practitioners. This is a bet that mid-size and growing accounting firms will pay up for a polished, all-in-one workflow tool rather than stitching together cheaper point solutions.

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