Top Free Billing Software - Page 12

How Many Billing Software Products Does G2 Track?

Total Products under this Category: 885

Category Stats (Sep 2026)

  • Average Rating: 4.41/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: BroadHub (+21.43%) - Among all products in this category, BroadHub recorded the largest rating increase compared to last month

Last updated: September 29, 2026

How Does G2 Rank Billing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 33,800+ Authentic Reviews
  • 885+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Billing Software

G2 Grid® for Billing Software plotting products by satisfaction and market presence

Highlighted products: NetSuite, Xero, PayPal Invoicing, BILL AP/AR, Square Point of Sale, Zoho Invoice, Stampli, and Chargebee.

Underlying data: [Grid® JSON](https://www.g2.com/categories/billing/grids.json?focus%5B%5D=oracle-netsuite&focus%5B%5D=xero&focus%5B%5D=paypal-invoicing&focus%5B%5D=bill-ap-ar&focus%5B%5D=square-point-of-sale&focus%5B%5D=zoho-invoice&focus%5B%5D=stampli&focus%5B%5D=chargebee)

Flowie

Flowie is the ultimate Procurement and Finance Operations platform for modern companies. Flowie centralizes Procure-to-Pay (P2P), Order-to-Cash (O2C) and Cash Flow Management, all with a consumer-grade user experience. Flowie has global coverage : the platform allows you to manage invoices from and to more than 60 countries, while being 100% tax compliant (e-invoicing). Flowie synchronizes natively in a few minutes with all of the company's tools, without the need for an integrator.

Who Is the Company Behind Flowie?

  • Seller: Flowie
  • Year Founded: 2022
  • HQ Location: Paris, FR
  • LinkedIn® Page: www.linkedin.com
    36 employees on LinkedIn®

Handdy Invoices

Handdy invoices is an online invoicing software for small businesses.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Handdy Invoices?

  • Seller: Handdy.com
  • Year Founded: 2012
  • HQ Location: Wexford, US
  • Twitter: @Handdysoftware
    56 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    8 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Handdy Invoices?

What Are G2 Users Discussing About Handdy Invoices?

hisabkitab

hisabkitab - your financial partner, thoughtfully crafted by Chartered Accountants who understand the unique challenges of accounting. We’ve designed a cloud-based solution that simplifies everything from invoicing and inventory management to GST compliance and in-depth financial reporting, all accessible right at your fingertips, whether on mobile or web. We believe that managing your accounting should be as dynamic as your business. With hisabkitab, you’re not just keeping your books in order—you’re unlocking smarter, more strategic ways to grow. Let us handle the numbers, so you can focus on what you do best: building your business with confidence.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate hisabkitab?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.0/10)

Who Is the Company Behind hisabkitab?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About hisabkitab?

AI-generated summary from verified user reviews

Pros
  • Users love the smart accounting tools of HisabKitab, enhancing business management with powerful features and support.
  • Users love the automation efficiency of HisabKitab, which simplifies business management and enhances productivity.
  • Users value the easy integration of HisabKitab, enhancing their business management experience with powerful features.
  • Users appreciate the seamless integration features of HisabKitab, enhancing efficiency and business management greatly.
  • Users love the automated payment reminders in HisabKitab, enhancing efficiency in managing orders and payments.

What Are Recent G2 Reviews of hisabkitab?

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works

IncoDocs

IncoDocs’ online software brings together your invoicing & export documentation in one place to streamline the way you work and eliminate data re-entry and costly human errors.

Who Is the Company Behind IncoDocs?

  • Seller: IncoDocs
  • Year Founded: 2016
  • HQ Location: Brisbane City, AU
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of IncoDocs?

Incusia invoicing

Incusia is invoicing software for small business owners, freelancers, and consultants who need to send professional invoices and get paid without dealing with complicated accounting software. Built on one promise: the price you sign up at is the price you pay forever. No annual increases. No hidden cancel button. No invoice caps designed to force upgrades. This is written contractually in the Terms of Service. Starting at $9 per month for unlimited invoices, unlimited clients, PDF exports, and payment collection. Pro tier at $29 per month adds automated reminders, recurring invoices, and multi-currency support. Lifetime option available at $99 one-time. Also includes 10 free tools that require no signup: full invoice generator with PDF download, late fee calculator, freelance rate calculator, VAT calculator, receipt maker, estimate generator, purchase order generator, invoice number generator, payment terms generator, and Excel to PDF converter.

Who Is the Company Behind Incusia invoicing?

Inly

Simple, fast and beautiful invoicing.

Who Is the Company Behind Inly?

  • Seller: Inly
  • Year Founded: 2017
  • HQ Location: Nashville, US
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Instant Invoice

Instant Invoice is a free online invoice generator for freelancers, contractors, and small businesses. Create professional invoices in seconds — no signup required. Add your details, line items, taxes, and discounts, then download as a PDF or send directly to your client. With 50+ currency support, AI-powered invoice generation, and professionally designed templates in PDF, Word, and Excel, getting paid has never been faster or easier. Upgrade to Pro for unlimited invoices, payment buttons, and client management.

Who Is the Company Behind Instant Invoice?

Invoice Quickly

Invoice Quickly is an online invoicing and estimating platform designed to help small businesses,freelancers and agency owners. Businesses can get paid faster by sending online invoices to their customers and accepting online payments on their invoices. Freelancers and businesses can send unlimited number of invoices and emails to their customers and clients. With Invoice Quickly users can also save details of unlimited Customers/Clients and Products/Services. Payment reminders can be easily sent on a click of a button to the customers who are late on their payment and even these emails can be customized to your needs. Invoice Quickly reports provide powerful insights about business's best and worst performing products and it can also help you identify your best customers.

Who Is the Company Behind Invoice Quickly?

  • Seller: Invoice Quickly
  • Year Founded: 2018
  • HQ Location: Houston, US
  • Twitter: @invoicequickly
    21 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Invoicity

Invoicity is a lightweight invoice & estimate app built mobile-first for freelancers, contractors, and service-based small businesses. Create professional invoices on iOS or Android in under two minutes, send them by email, SMS, or QR code, and get paid instantly through a native Stripe Connect checkout link or PayPal. Unlike heavy accounting suites, Invoicity removes bookkeeping jargon and focuses on the moment that matters—getting paid. A clear step-by-step flow lets non-accountants generate error-free PDF invoices, track payment status in real time, and automate gentle reminders. The result: less back-office work, faster cash flow, and a more professional client experience—all from your phone.

Who Is the Company Behind Invoicity?

Invoicy

Free invoice generator. 10 different PDF templates, possibility to customize the invoice (logo, color, currency, discount, tax). Also after the invoice is created, you can save the pdf, send a link or e-mail.

Who Is the Company Behind Invoicy?

  • Seller: Invoicy
  • Year Founded: 2019
  • HQ Location: New York, US
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

ISP DIgital

ISP Digital is an all-in-one ISP management software for Internet Service Providers. It covers billing, customer management, network monitoring, ticketing, and inventory—everything ISPs need to run efficiently. ISP Digital helps providers reduce manual work, improve service uptime, and grow their subscriber base with smart automation. Trusted by 1,300+ ISPs, it’s built to simplify operations, cut costs, and boost customer satisfaction.

Who Is the Company Behind ISP DIgital?

JustBilling

Just Billing is the most comprehensive Modern Retail and Restaurant POS Billing Software for point of sale to inventory reconciliation, digital payment to GST filling, customer loyalty to real-time online growth analysis.

Who Is the Company Behind JustBilling?

  • Seller: Effiasoft
  • Year Founded: 2012
  • HQ Location: Hyderabad, IN
  • LinkedIn® Page: www.linkedin.com
    197 employees on LinkedIn®

Kanoo

CaribPay (Bahamas) Ltd., trading as Kanoo is licensed by the Central Bank of The Bahamas as a “Non-Bank Electronic Retail Payment Institution.” Kanoo is the newest digital wallet of The Bahamas. Our name, Kanoo, is a derivative of Junkanoo, the country’s most prominent cultural expression. Kanoo’s bold, colorful, and energetic approach centers around freedom and empowerment, a true embodiment of Junkanoo. Kanoo is committed to making life better for Bahamians by allowing them to handle money at the Speed of Life. We value bringing security, prosperity, empowerment, and convenience to our users. Now, merchants and consumers have the power to control their money and time, pay, and get paid any way they want.

Who Is the Company Behind Kanoo?

  • Seller: Kanoo
  • Year Founded: 2019
  • HQ Location: Grand Bahama, BS
  • Twitter: @KanooPays
    254 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    20 employees on LinkedIn®

Key-Invoice

Keyinvoice is a software of online management that allows sales, purchases, customers, suppliers, budgets, checking accounts.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Key-Invoice?

  • Seller: keyinvoice
  • HQ Location: N/A
  • Twitter: @keyinvoice
    22 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    5 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Key-Invoice?

What Are G2 Users Discussing About Key-Invoice?

Nathan Calabrese
NC
Researched and written by Nathan Calabrese
Updated April 9, 2026