Invoice Ninja vs Wave: Which is Better in 2026?

A detailed side-by-side comparison to help you choose between Invoice Ninja and Wave.

I
Invoice Ninja

Starting at $0/mo

8.0

Free, open-source invoicing platform with powerful features for freelancers and businesses.

Pros

  • + Free tier is very generous
  • + Open source
  • + Self-hosting option
  • + Good API

Cons

  • - Interface feels basic
  • - Limited integrations
  • - Smaller community
W
Wave

Starting at $0/mo

8.1

Free financial software for small businesses with invoicing, accounting, and receipt scanning.

Pros

  • + Completely free core features
  • + Built-in accounting
  • + Easy to use
  • + Receipt scanning

Cons

  • - Limited integrations
  • - No inventory management
  • - US and Canada focused

Feature-by-Feature Comparison

FeatureInvoice NinjaWave
Invoicing
9/10
8/10
Accounting
4/10
8/10
Price
9/10
10/10
Self-Hosting
10/10
0/10
Proposals
9/10
0/10
Recurring Invoices
9/10
7/10
Mobile App
6/10
7/10
Ease of Use
7/10
8/10

Pricing Comparison

Invoice Ninja Pricing

Free$0/mo
Ninja Pro$10/mo
Enterprise$14/mo

Wave Pricing

Free$0/mo
Pro$16/mo

Our Verdict

Invoice Ninja is the stronger invoicing-first platform with proposals, recurring invoices, and a self-hosted option, while Wave pairs basic invoicing with real double-entry accounting and receipt scanning — all for free. Pick Invoice Ninja if invoicing is your primary workflow and you want open-source flexibility; pick Wave if you need free accounting alongside your invoices.

Related Comparisons

Frequently Asked Questions

Is Invoice Ninja or Wave better?
Invoice Ninja is the stronger invoicing-first platform with proposals, recurring invoices, and a self-hosted option, while Wave pairs basic invoicing with real double-entry accounting and receipt scanning — all for free. Pick Invoice Ninja if invoicing is your primary workflow and you want open-source flexibility; pick Wave if you need free accounting alongside your invoices.
Which is cheaper, Invoice Ninja or Wave?
Invoice Ninja starts at $0/mo while Wave starts at $0/mo. However, pricing depends on your team size and required features, so compare the tiers carefully.
Can I migrate from Invoice Ninja to Wave?
Yes, both tools support data import/export. Most users can migrate their data in a few hours. Some tools also offer migration assistance for larger accounts.
Which has better customer support?
Both Invoice Ninja and Wave offer email and chat support. Higher-tier plans from both vendors include priority or phone support. Check the specific plan details for your needs.