Top Free Billing Software - Page 16

How Many Billing Software Products Does G2 Track?

Total Products under this Category: 911

Category Stats (Nov 2026)

  • Average Rating: 4.41/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Pennylane (+3.38%) - Among all products in this category, Pennylane recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Billing Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 34,900+ Authentic Reviews
  • 911+ 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, Stampli, Zoho Invoice, and QuickBooks Bill Pay.

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=stampli&focus%5B%5D=zoho-invoice&focus%5B%5D=quickbooks-bill-pay)

Sibill

Sibill aiuta le PMI italiane facilitandone la gestione finanziaria e della tesoreria.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Sibill?

  • Seller: Sibill
  • Year Founded: 2021
  • HQ Location: Milano, IT
  • LinkedIn® Page: www.linkedin.com
    137 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Sibill?

Simple Billing

SaaS based Billing, Mediation, Charging and Rating platform as a service that also provides full featured functions for Customer & Order Management, Payments & Collections, Provisioning, Accounts & Tax Integration.

Who Is the Company Behind Simple Billing?

Simple Invoice Manager

Simple Invoice Manager is an all-in-one invoicing, billing, and accounting solution designed for small businesses, freelancers, startups, and service providers who need a professional yet easy-to-use platform to manage their finances. With our powerful mobile, web, and desktop versions, businesses can create invoices in seconds, track payments, manage inventory, and generate detailed financial reports — all without the complexity of traditional accounting software. Unlike many invoicing tools that only focus on basic billing, Simple Invoice Manager goes beyond with features built to simplify your entire business workflow. From customizable invoice templates and real-time payment tracking to advanced reporting such as profit & loss statements, sales and purchase summaries, and tax reports, everything is designed to give business owners more control and visibility. The app also includes POS mode, online store management, multi-user access, and cloud sync, making it a reliable solution for both product- and service-based businesses. For small and medium enterprises (SMEs), cash flow and efficiency are critical. Simple Invoice Manager helps you stay on top of your finances with automated reminders, expense tracking, and easy integration across devices. Whether you run a retail shop, manage a service-based business, or work as a freelancer, our intuitive interface ensures that you spend less time on manual paperwork and more time growing your business. We understand that every business values affordable, scalable, and reliable software. That’s why Simple Invoice Manager is built to deliver maximum value at a cost that works for businesses across industries and regions. From startups to established companies, users choose Simple Invoice Manager because it combines simplicity, speed, and accuracy with professional features that grow with your business. Trusted by thousands of businesses worldwide, Simple Invoice Manager is more than just invoicing software — it’s a complete business management solution. Whether you want to create GST-compliant invoices, track your sales performance, or manage multiple clients seamlessly, this app empowers you with tools that improve productivity and boost efficiency. Key Features: Professional invoicing & billing in multiple formats Sales, purchase, inventory, and tax reports Profit & Loss & business analytics dashboards POS mode for retail businesses Multi-user access & cloud sync Mobile, web, and desktop availability Simple Invoice Manager is your reliable partner in smarter invoicing and business growth. With its user-friendly design and powerful reporting tools, it helps small businesses achieve financial clarity, save time, and get paid faster.

Who Is the Company Behind Simple Invoice Manager?

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How it works

Siwapp

Siwapp is an open source web application that provides automatic invoices generation on a periodic basis, rectification invoices management.

Who Is the Company Behind Siwapp?

Sliptree

Sliptree is a multilingual invoice app to simplify your bookkeeping through templates, tracking, and more.

Who Is the Company Behind Sliptree?

  • Seller: Sliptree
  • Year Founded: 2011
  • HQ Location: Tallinn, EE
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Smart Admin

SMART ADMIN is an integrated Project Management, Time sheet, Payroll and Invoice web app shared on subscription basis. The project management and Payroll tools can be customized for any geography. SMART ADMINencourages greater Collaboration @Work Place, and seek consistency in project execution with reduced operational risks. We are open to accommodate all configuration requests and act quickly to ensure easy implementation. SMART ADMIN can be configured for users across multiple countries and time-zones. It accommodates combination of currencies. and with Its customizable salary, leave and holiday packages SMART ADMIN is ideal for any organization, culture, and country. Overall, SMART ADMIN helps to digitize business operations with minimal investment. Here are the highlights. • Real Time Project /Program Progress • Assigning Task To Team Members • Time Sheet Entry Against Assigned Tasks • Option to approve timesheet entries by Manager • Task Monitoring against Completion of Hours • Calculation of Hours for Each Task • Option To Add Billable/Non- Billable Projects/Programs • Invoice Option for Completed Tasks • Time sheet mapping with project, compensation and invoice • Quick setup for employee roles • Encryption of all personally identifiable information • Zero installation, maintenance, and ownership cost • Integration of SMART ADMIN with web domain similar to www.your-website.com/manager • Customization Support for Configuration and Maintenance In addition to the project management option, the app can be used for generating payroll and invoice. All users need to update timesheet on daily basis and the same data points can be mapped for generating payroll and invoice; but optional. Prior to that the pay structure and Leave or Time off needs to be defined. Similarly, there is an option to add clients for each project and the same tasks can be used to generate invoice.

Who Is the Company Behind Smart Admin?

Sofacto

Sofacto is your daily billing solution. With just a few clicks, you can easily, quickly and efficiently manage your invoicing, from document editing to monitoring payments. Fully conceived and developed from Salesforce, Sofacto leverages the power, security and performance of the global leader in Cloud CRM. You benefit from a complete and optimized CRM experience, and set your business strategy free thanks to a 360° vision of your customers.

Who Is the Company Behind Sofacto?

  • Seller: Sofacto
  • Year Founded: 2022
  • HQ Location: Woodridge, US
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Solko

Solko is an invoicing app built only for French sole traders (auto-entrepreneurs / micro-entrepreneurs). It writes the legal mentions each invoice needs from the profile and the client (VAT franchise art. 293 B, B2B, B2C, EU and non-EU clients, construction subcontracting), numbers invoices without gaps, and exports Factur-X. Quotes are signed online with an email code and a signature certificate. Service contracts are signed by both parties. Reminders, recurring invoices, a client portal, the legally required receipts ledger and an estimate of the monthly URSSAF declaration at the current year's rates are included. A built-in assistant answers invoicing questions from the account's own situation and cites the guide section or legal text it read. It prepares drafts; nothing is sent or signed without the user. Free plan: 5 invoices and 2 signed quotes per month, forever. Every account starts with a 14-day trial of the Pro plan. No data resale, full data export at any time.

Who Is the Company Behind Solko?

  • Seller: Solko
  • Year Founded: 2026
  • HQ Location: France

Solo

Solo est une solution tout-en-un concue pour préparer les auto-entrepreneurs et indépendants à la facturation électronique. Plateforme Agréée (ex PDP), Solo s'adresse aux indépendants en phase de lancement ou déjà en activité, quel que soit leur secteur d'activité (bâtiment, services, e-commerce, conseil ou métiers créatifs), et peut être utilisé sans ouverture de compte bancaire imposée. Principales fonctionnalités : - Facturation conforme : création de devis et factures personnalisables, incluant toutes les mentions légales obligatoires, avec une compatibilité prévue pour la réforme de la facturation électronique en vigueur à partir de septembre 2026. - Déclaration Urssaf simplifiée : Solo calcule le montant exact à déclarer à partir des données de facturation, permettant une validation en un clic à chaque échéance. - Connexion bancaire et suivi de trésorerie : synchronisation des transactions, mise à jour du livre de recettes, encaissement en ligne et relances clients. - Gestion de la TVA : suivi en franchise de base, avec alertes à l'approche des seuils réglementaires. - Tableau de bord et pilotage : vue d'ensemble sur le chiffre d'affaires, les cotisations, les impôts et les seuils clés pour faciliter la prise de décision. La plateforme est accessible sur ordinateur, tablette et mobile, sans installation requise. Solo est certifié en tant que Plateforme Agréée (anciennement PDP) pour répondre aux obligations de la facturation électronique dès 2026. Essai gratuit - sans carte bancaire - sans engagement - sans compte bancaire imposé

Who Is the Company Behind Solo?

  • Seller: Betao AB
  • Year Founded: 2013
  • HQ Location: Stockholm, SE
  • LinkedIn® Page: www.linkedin.com
    95 employees on LinkedIn®

STORECOVE

Sending e-invoices brings efficincy. They connect companies to the European Peppol network and offer disruptive pricing. Storecove is an online service that specializes in facilitating (e) invoicing.

Who Is the Company Behind STORECOVE?

  • Seller: Storecove
  • Year Founded: 2014
  • HQ Location: Hilversum, NL
  • LinkedIn® Page: www.linkedin.com
    12 employees on LinkedIn®

Street Invoice

Street Invoice is the easiest way to invoice on-the-go, in real time.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Street Invoice?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 9.0/10)

Who Is the Company Behind Street Invoice?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Street Invoice?

What Are G2 Users Discussing About Street Invoice?

SutiInvoice

SutiInvoice is a web-based software solution that meets the needs of organizations of all sizes. It sends invoices easily and expedite the payment cycles.

Who Is the Company Behind SutiInvoice?

  • Seller: SutiSoft
  • Year Founded: 2009
  • HQ Location: Sunnyvale, CA
  • LinkedIn® Page: www.linkedin.com
    274 employees on LinkedIn®

Synthesize Billing

Synthesize, powered by Gradient MSP, is an integration platform that streamlines the monthly billing reconciliation process for MSPs. Through a combination of direct vendor integrations and CSV usage imports, Synthesize ingest customer consumption information and automatically compares it to agreements in the PSA to make sure MSPs are always charging clients accurately for all the services they use. - High-level view of your entire billing process - Review client usage - no more surprises at month-end - Instantly sync service consumption to your PSA - Identify opportunities to grow your business - Identify under-performing service offerings - Zero in on opportunities to increase revenue and profit - Minimize the time & resources dedicated to reconciliation Spend less time doing something you hate and more time on the things you love!

Who Is the Company Behind Synthesize Billing?

Tidybill

Tidybill is online invoicing software for freelancers, consultants, and small services businesses. Create professional invoices, track billable time, accept online payments, and run your billing workflow from one place. Built for the workflow, not the bureaucracy. Send your first invoice in under a minute. The free plan needs no credit card and includes 5 clients, 5 invoices per month, and 3 projects with no time limit. Upgrade only when you need more. Features at a glance: Invoicing. Branded PDF invoices, custom layouts, header and footer text, configurable payment terms. Clone, schedule, or send instantly by email. Quotes. Build and send quotes that convert to invoices in one click. Track accepted, rejected, and pending quotes in a pipeline view. Recurring invoices. Weekly, monthly, or any custom cadence. Schedule for fixed runs or open-ended. Time tracking. Built-in timer or manual entry. Mark hours billable, then turn tracked time into invoice line items. Expense tracking. Log expenses, attach receipts, mark as billable to clients. Online payments. Connect Stripe in two clicks. Clients pay by credit card from a Pay Now button on the invoice. Payment posts automatically. Client portal. Clients view, pay, and download every invoice in one place. No login friction. Late fees and reminders. Percentage or flat-fee late charges with grace periods. Automated reminder emails before and after the due date. Per-client overrides. Multi-currency. Invoice clients globally in their currency, see your books in yours. Reports. Twelve built-in reports (Profit and Loss, Outstanding Invoices, Account Aging, Revenue by Client, Payment History, Tax Summary, Team Utilisation, Time by Project, Quotes Pipeline, Recurring Revenue, Invoice Summary, Expense Report). CSV export on every list screen. EU e-invoicing compliance. ZUGFeRD and PEPPOL BIS 3.0 supported out of the box. Issue invoices that meet B2B regulatory requirements in Germany, France, and across the EU. Switching from FreshBooks? Built-in FreshBooks import migrates your clients, invoices, time entries, and expenses in one click. Multi-company and team-ready. Manage up to five companies from one account. Invite team members with role-based access and per-project hourly rates. Pricing that respects your runway: Free: $0 per month, no card required. Starter: $7 per month billed annually ($9 monthly). Two companies, 25 clients, 50 invoices, recurring invoices, time tracking, quotes, client portal. Pro: $15 per month billed annually ($18 monthly). Up to 25 team members, unlimited everything. Tidybill is a clean, modern alternative to FreshBooks, Bonsai, Hiveage, and Zoho Invoice. Designed for the freelancer who wants software that gets out of the way, and the small services business that needs a real billing platform without per-user enterprise pricing.

Who Is the Company Behind Tidybill?

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