Invoice Ninja uses the Elastic License v2, which has commercial use restrictions. SolidInvoice uses the MIT License: no restrictions, ever. Plus our hosted plan starts from $19/month, less than Invoice Ninja's.
Invoice Ninja
$10 to $14/mo
$120 to $168/year
SolidInvoice
From $19/mo
Free plan, or self-host free
14-day free trial · No credit card required · Cancel anytime
Invoice Ninja's hosted plan starts at $10 to $14/month, more expensive than SolidInvoice for the same core functionality
The Elastic License v2 is not true open source by the OSI definition, it restricts how you can use and redistribute the code
Steeper learning curve: Invoice Ninja's interface is feature-dense in ways that can overwhelm users who just need invoicing
Advanced customization and white-labelling locked behind higher-priced hosted tiers
| Plan | Monthly Price | Annual Cost | Your Savings |
|---|---|---|---|
| Invoice Ninja | $10 to $14/mo | $120 to $168/year | N/A |
| SolidInvoice ✓ | From $19/mo | From $190/year | Save $40 to $88/year |
Or self-host SolidInvoice completely free. No subscription required.
SolidInvoice outperforms Invoice Ninja on 4 of 11 comparisons
| Feature | SolidInvoice | Invoice Ninja |
|---|---|---|
| Professional invoicing | ||
| Online payments (Stripe, PayPal) | ||
| Recurring billing | ||
| Client management | ||
| Multi-currency support | ||
| Self-hosted option (free) | ||
| Open source licenseAdvantage | MIT License | Elastic License v2 |
| REST API access | Pro and up | |
| Simple onboardingAdvantage | ||
| No feature tier gates (self-host)Advantage | ||
| Starting hosted priceAdvantage | from $19/mo | $10 to $14/mo |
Moving from Invoice Ninja is straightforward. Most users are live on SolidInvoice within hours.
Create your SolidInvoice account in 30 seconds. No credit card needed.
Add the clients you're currently billing to SolidInvoice. It takes a few minutes. Keep Invoice Ninja in read-only mode for historical records.
Send your first invoice, set up online payments, and you're done.
Join thousands of freelancers and small businesses who chose SolidInvoice.14-day free trial. No credit card required.