AI invoicing vs open-source billing

InvoiceQuickly vs Invoice Ninja — Which Invoicing Platform Is Better?

Invoice Ninja is an open-source invoicing platform that offers both a free self-hosted version and paid cloud hosting. InvoiceQuickly combines AI-powered outgoing invoicing (5 invoices & 5 clients on the free plan after signup; unlimited on paid from $99/mo) with Autopilot for incoming invoice automation — AI OCR extraction, PO matching, and ERP sync. Both offer a free path to invoicing, but they take very different approaches.

Pricing Comparison

InvoiceQuickly

Free to start — 5 invoices included. Autopilot (AP automation) starts at $99/month.

Invoice Ninja

Free (self-hosted, unlimited). Ninja Pro $10/month (hosted). Enterprise $14/month.

Invoice Creation

FeatureInvoiceQuicklyInvoice Ninja
AI-generated invoicesYes — text to invoice in secondsNo
Invoice templates200+ industry & country templates~12 customizable templates
Multi-currency invoicing25+ currenciesYes — all plans
Recurring invoicesComing soonYes
Proposals & quotesComing soonYes

Payments & Tracking

FeatureInvoiceQuicklyInvoice Ninja
Payment trackingYes — freeYes — all plans
Online paymentsComing soon (Stripe/PayPal)Yes — Stripe, PayPal, and 10+ gateways
Client portalPlannedYes — with portal and auto-billing
Late payment remindersAI-drafted emailsAutomated reminders

Accounting

FeatureInvoiceQuicklyInvoice Ninja
Expense trackingNot included (invoicing focus)Yes
Time trackingNot includedYes — with project billing
Tax compliance templates200+ country-specificBasic tax rate configuration

AP Automation (Incoming Invoices)

FeatureInvoiceQuicklyInvoice Ninja
AI OCR data extractionYes — PDFs, images, scans, any languageNo
Duplicate detectionAutomatic with anomaly flaggingNo
PO matching2-way and 3-way (Business+)No
Approval workflowsConfigurable multi-level (Business+)No
ERP/accounting pushQuickBooks, Xero, Sage, SAP, API/webhookNo

Pricing & Limits

FeatureInvoiceQuicklyInvoice Ninja
Free planYes — 5 free invoices, cloud-hostedFree self-hosted (requires server)
Setup requiredNone — instant browser accessServer setup needed for free plan
Open sourceNoYes — MIT licensed

Pros & Cons

InvoiceQuickly strengths

  • AI generates invoices from plain-text descriptions in seconds
  • 200+ templates for global tax compliance
  • Zero setup required — works instantly in browser
  • Advanced AP automation for incoming invoices
  • No server maintenance or technical knowledge needed

Invoice Ninja strengths

  • Open-source with full code transparency (MIT license)
  • Self-hosting option for maximum data control
  • Built-in payment gateways (Stripe, PayPal, 10+ more)
  • Expense tracking and time tracking included

The Verdict

Choose InvoiceQuickly if you want instant AI-powered invoicing with no setup, 200+ templates, and AP automation. Choose Invoice Ninja if you value open-source software, want self-hosting for data control, or need built-in time tracking and expense management alongside invoicing.

Create Your First Invoice in 5 Seconds

Describe your work in plain English. Our AI generates a professional, tax-compliant invoice instantly. Start free with 5 invoices.

Get Started Free

Frequently Asked Questions

Is Invoice Ninja's free plan actually free?

The self-hosted version is completely free and unlimited, but you need your own server to run it (which has costs). The cloud-hosted version requires a Pro ($10/month) or Enterprise ($14/month) subscription. InvoiceQuickly is cloud-hosted with no server needed — sign up for a free account with 5 invoices and 5 clients included.

Which is easier to set up?

InvoiceQuickly — by far. Sign up and start creating invoices in seconds. Invoice Ninja's free version requires setting up a web server, database, and PHP environment. Their paid hosted version is easier but costs $10–$14/month.

Does Invoice Ninja have AI features?

No. Invoice Ninja uses traditional form-based invoice creation. InvoiceQuickly's AI generates complete, formatted invoices from plain-text descriptions in about 5 seconds.

Can I migrate from Invoice Ninja to InvoiceQuickly?

Yes. Export your client and invoice data from Invoice Ninja as CSV, then use InvoiceQuickly's AI to recreate your templates. For AP automation, connect InvoiceQuickly Autopilot alongside your existing setup.

What is InvoiceQuickly Autopilot?

Autopilot is the paid tier that automates incoming invoice processing — forward vendor invoices via email, Gmail/Outlook connection, or upload, and AI extracts data, validates it, detects duplicates, and pushes it to your accounting system. Plans start at $99/month for up to 500 invoices.

Other Comparisons

Get invoicing tips that actually help

Join 5,000+ freelancers and small business owners. One email per week with practical invoicing advice, tax tips, and product updates.

No spam, ever. Unsubscribe anytime.