Square Invoices vs Wave: Invoicing Software Comparison (2026)
Square Invoices and Wave both offer free invoicing solutions with mobile app support. Square Invoices allows sending invoices via email and text, real-time status tracking, automated reminders, and brand customization. Wave provides unlimited estimates and invoices, online payment acceptance, cash flow and customer management. Both platforms have limitations, with Square Invoices noting transaction fees, limited customization, and no multi-currency support, while Wave specifies limitations on its free plan regarding features, online payment fees, and lack of dedicated support.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask invoicing software questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Send invoices via email and text
- ✓Track invoice status in real-time
- ✓Automate payment reminders
- ✓Customize invoices with your brand
- ✓Unlimited estimates and invoices
- ✓Accept online payments
- ✓Mobile invoicing
- ✓Manage cash flow and customers
When to choose Square Invoices
Square Invoices is suitable for users who need to send invoices via email and text, track invoice status in real-time, automate payment reminders, and customize invoices with their brand, and who are comfortable with potential transaction fees and limited customization options. It is not suitable for complex billing or when multi-currency support is required.
When to choose Wave
Wave is suitable for small businesses seeking unlimited estimates and invoices, online payment acceptance, and cash flow and customer management, especially those comfortable with a free plan that has limited features and no dedicated support, and who are aware of online payment fees.