About
Invoices and estimates, made on an iPhone
Invoice app for iPhone. See when an invoice is opened, send payment reminders and get paid by card or Apple Pay. Free to download. Reminders and payments are Pro.
What it is
What Sumocat is
An iPhone app
Sumocat runs on iPhone (iOS 18 or later). It opens on a calculator, and each amount you add becomes a line on an invoice or estimate.
Your clients need nothing
Clients open invoices, estimates and contracts at sumocat.app in any browser, with no app or account, to view, accept, sign or pay.
Free, with Pro when it helps
Invoices, estimates, clients, expenses and sync are free with no caps. Pro and Pro Plus add the work Sumocat does for you.
Who makes it
Small Factory Marketing Inc.
Vancouver, British Columbia, Canada
Small Factory Marketing Inc. makes Sumocat and runs the Sumocat service and this website.
How to reach us
Write to a person
Email support@sumocat.app for help, bug reports and privacy requests. The support page answers the most common questions.
More about Sumocat
Send the invoice.
Get paid.
Coming soon to the App Store
- Free to download
- No caps on invoices
- Works offline