Invoice Ninja costs $14/mo.
These cost $0.
4 free alternatives to Invoice Ninja, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
Invoice Ninja vs Free Alternatives Matrix
Quick side-by-side comparison · $0/mo vs $14/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| ERPNext | open source | GPL-3.0 | Local or hosted | ★ 38k | Invoice Ninja vs ERPNext → |
| InvoiceShelf | open source | AGPL-3.0 | Self-host | ★ 1.8k | Invoice Ninja vs InvoiceShelf → |
| Invoice Ninja self-hosted | free | Elastic-2.0 | Self-host | ★ $0 forever | Invoice Ninja vs Invoice Ninja self-hosted → |
| Zoho Invoice | free | proprietary, free | Hosted | ★ $0 forever | Invoice Ninja vs Zoho Invoice → |
The picks
2 open source · 2 free to use · ranked by fit
- 01
ERPNext
open sourceGPL-3.0Local or hosted38kaug 2026Quotes, invoices, payments, expenses and a portal inside a much larger ERP than anyone ordered.
The catch vs Invoice NinjaERPNext can issue and collect invoices but its much larger ERP interface is less polished for client portals, payment gateways, recurring billing, and solo-business onboarding.
Install, platforms & data +
- platforms
- webself-hostedself-host, real ops
- install
- Managed Frappe Cloud signup, or the supported Frappe Docker/Bench deployment
- setup
- Self-hosting is an ERP deployment rather than a desktop install: Docker or Bench, MariaDB, Redis, workers, a reverse proxy, backups, upgrades, and country-specific accounting setup.
- your data
- Self-hosted companies live in MariaDB site databases with site files and attachments on the server; managed-hosting data lives in the selected Frappe Cloud site.
- checked
- 2026-08-11
- 02
InvoiceShelf
open sourceAGPL-3.0Self-host1.8kjul 2026Invoices, estimates, expenses, payments and a client portal; the bill arrives as Docker maintenance instead.
The catch vs Invoice NinjaInvoiceShelf has a smaller payment-gateway, mobile-app, integration, recurring-billing, and support ecosystem than Invoice Ninja, with a less mature current release line.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Deploy a stable tagged release with the official Docker Compose example
- setup
- The first obstacle is choosing a stable 2.x release rather than the default next/3.x alpha branch, then operating Docker, persistent storage, mail, HTTPS, backups, and upgrades.
- your data
- Invoices, estimates, customers, expenses, payments, and settings live in the configured application database, SQLite is available for a small install, with uploaded files in persistent server storage.
- checked
- 2026-08-11
- 03
Invoice Ninja self-hosted
freeElastic-2.0Self-hostThe same invoicing stack on your own server; billing is free, the license is source-available, and removing its branding costs extra.
The catch vs Invoice NinjaThe application is familiar, but the free self-hosted edition transfers uptime, security, mail delivery, backups, upgrades, and branding removal from Invoice Ninja's service to the user.
Install, platforms & data +
- platforms
- desktopmobilewebself-hosteddocker to self-host
- install
- Official Docker Compose/INmanage path, or a PHP web-server installation with a MySQL-compatible database
- setup
- The free path requires PHP or Docker, MySQL, cron and queue workers, TLS, mail, backups, upgrades, and accepting Invoice Ninja branding unless a separate white-label license is purchased.
- your data
- Clients, invoices, quotes, expenses, payments, and settings live in the deployment's MySQL-compatible database; uploaded documents and generated files live under the persistent storage directory, and APP_KEY protects selected secrets.
- checked
- 2026-08-11
- 04
Zoho Invoice
freeproprietary, freeHostedQuotes, time, expenses, payments and a portal for free; Zoho still keeps an annual invoice ceiling.
The catch vs Invoice NinjaZoho Invoice is easier to adopt but the free service caps annual invoices, users, and projects and retains Zoho branding, making it less flexible than a paid Invoice Ninja account.
Install, platforms & data +
- platforms
- mobilewebthey host it
- install
- Hosted signup or the official mobile/desktop app
- your data
- Customers, projects, time, expenses, estimates, invoices, payment records, and portal data live in Zoho's cloud; exports and account backups are available.
- checked
- 2026-08-11
Frequently Asked Questions
Direct answers · Invoice Ninja open-source replacements
What is the best free alternative to Invoice Ninja?+
The top free alternative to Invoice Ninja is ERPNext (open source, GPL-3.0). Quotes, invoices, payments, expenses and a portal inside a much larger ERP than anyone ordered. Other popular Invoice Ninja replacements include InvoiceShelf, Invoice Ninja self-hosted, Zoho Invoice.
Can I self-host a free replacement for Invoice Ninja?+
Yes. Of the 4 free alternatives to Invoice Ninja, 3 can be self-hosted on your own server or local machine: ERPNext (GPL-3.0), InvoiceShelf (AGPL-3.0), Invoice Ninja self-hosted (Elastic-2.0).
How much does switching from Invoice Ninja to a free alternative save?+
Invoice Ninja starts at $14/month per seat ($168/year). Switching a 5-person team to a free alternative like ERPNext saves $840 per year in software subscription fees.
Should I vibe-code or build my own Invoice Ninja clone from scratch?+
Our build verdict for Invoice Ninja is YES (the core loop fits in a weekend). Invoice Ninja is open source, so the hosted subscription can be replaced by self-hosting if you can handle ops, updates, payment config, and backups.
What is the catch when switching from Invoice Ninja to ERPNext?+
ERPNext can issue and collect invoices but its much larger ERP interface is less polished for client portals, payment gateways, recurring billing, and solo-business onboarding.
