Apps similar to Invoice Ninja include Summit Finance, which is free and open source. Other options are Cattr, Midday, Clockify and InvoiceFeed. There's no shortage of Invoicing Software like Invoice Ninja, with more than 100 alternatives for the web, iPhone, Mac, Windows and Android.
Zap Bill is a simple invoicing tool that helps freelancers and small businesses create professional invoices in seconds. Send invoices, track payments, and keep your billing organized without complicated accounting software.
United Kingdom
InvoiceCast helps freelancers, contractors, consultants, and small businesses create professional invoices, calculate taxes, track expenses, and manage clients in one simple workspace. It supports US sales tax tools as well as Canadian GST/HST, QST, and PST.
Heynote! digitizes your order processing. With just a few clicks, you can record working hours, activities, materials used, and photos directly at the customer's site.
Germany
EU
Invoice Candy is a free platform that allows users to generate, download, and send invoices, estimates, and receipts for free! Currently our app supports 13 languages, 18 currencies, and allows for users to apply specific tax rules to their invoices.
Swiss invoicing and bookkeeping app for freelancers and SMEs - create QR-bill invoices in seconds, track expenses, import bank statements, and keep VAT-ready books.
Switzerland
Invoice Simple is the perfect invoice maker for small business owners, contractors and freelancers needing a simple and professional mobile invoice app. Create, send and track invoices and estimates easily on your phone.
United States
The AI-native system of record for high-velocity teams. NewLedger replaces legacy accounting with an immutable, forensic-grade ledger featuring cryptographic hashing and autonomous fiscal governance.
Singapore
StipFactuur is an invoicing and administration platform for freelancers and small businesses.
NetherlandsEU
Philippines
