In an email to some Square Invoices users, Square says it's working on Invoices Plus, a paid version with some features from the free version, plus new ones (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch:In an email to some Square Invoices users, Square says it's working on Invoices Plus, a paid version with some features from the free version, plus new ones  —  Square's popular free invoicing software is becoming the company's next big subscription service.

In an email to some Square Invoices users, Square says it's working on Invoices Plus, a paid version with some features from the free version, plus new ones (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch:
In an email to some Square Invoices users, Square says it's working on Invoices Plus, a paid version with some features from the free version, plus new ones  —  Square's popular free invoicing software is becoming the company's next big subscription service.