Invoicing & AR

Bookipi is a mobile-first invoicing app (with a web version) for freelancers and small businesses, covering invoices, estimates, credit notes, delivery notes, purchase orders, and added small-business and AI features. It offers a limited free tier and premium monthly or yearly subscriptions.

eonebill is an AI-native document tool for freelancers and small businesses that generates invoices, estimates, receipts, contracts, proposals, and other business documents from a plain-text prompt. It adds Stripe payments, PDF export, client management, payment reminders, and open/view/payment tracking. Its angle is speed: describe the work in everyday words and let AI assemble and calculate the document.

Invoice-Generator.com (by Invoiced) is a free browser tool that creates professional invoices instantly with no signup required, supporting 150+ currencies, tax, shipping and discount fields, and credit note, quote, and purchase order templates. It also offers a developer API and optional account-based invoice history.

Invoice Simple is a web and mobile invoicing app for freelancers, contractors, and small businesses, offering invoices, unlimited estimates, and online payments. It has a free tier capped at a few invoices per month and paid plans that unlock unlimited invoicing and additional features.

InvoiceHome is a web-based invoice and estimate generator aimed at small businesses and freelancers, known for a large library of invoice templates and multi-currency support. It offers a free tier and low-cost paid plans that remove branding and lift invoicing limits.

Invoicely (invoicely.com; also reached via invoice.ly) is a cloud-based invoicing tool for freelancers and small businesses offering invoices, estimates, multi-currency billing, and online payment collection. It has a free plan with a monthly invoice cap and tiered paid plans that raise limits and add team seats.

InvoiceMaker (by Saldo Apps) is a web and mobile invoicing tool that creates PDF invoices and lets clients pay by card, PayPal, Venmo, CashApp, or Bitcoin. It offers a free guest tier, a 7-day trial, and three subscription plans differentiated by invoice volume and payment platform fee.

Invoicer.ai is a web invoicing platform for freelancers, contractors, and small businesses offering unlimited clients, invoices, and estimates, with higher tiers adding tracking, reminders, attachments, and automation. It runs on paid subscriptions with a 14-day free trial and no free forever plan.

MakeReceipt is a web and mobile receipt generator offering many receipt styles and templates for businesses and individuals. It works on a try-before-you-buy model: create receipts for free with a watermark, then subscribe to a Standard, Pro, or Enterprise membership to remove it and unlock more templates.

Billdu is a simple, mobile-first invoicing application designed for small businesses, freelancers, and self-employed professionals who need professional invoicing capabilities in an easy-to-use package. Founded in Slovakia in 2013, Billdu serves over 200,000 users across 100+ countries with invoicing, expense tracking, and basic business management tools. The app creates professional invoices in seconds with customizable templates, business branding, and e-signature. PDF and online invoice delivery provides flexibility for different client preferences. Automatic payment reminders reduce outstanding receivable follow-up time. The expense scanner captures and categorizes receipts via smartphone camera. Client management maintains customer records, contact details, and invoice history. Estimates and purchase orders complement the invoicing workflow. Multi-currency support handles international billing across different currencies. The business card scanner converts paper contacts to digital client records. Analytics provide revenue summaries, outstanding balance tracking, and client payment analysis. Billdu's pricing is among the most affordable in the market, with a free tier for low-volume users and plans starting at $3.99/month. The app is available for iOS, Android, and web, with real-time synchronization across devices. Billdu's European origin provides strong support for European invoicing standards and VAT handling in multiple EU countries. For sole traders and micro-businesses needing clean, professional invoicing at minimal cost, Billdu is an attractive option.

Hiveage is an online invoicing and billing platform designed for freelancers, consultants, and small agencies that need professional billing tools with time tracking and expense management. Founded as CurdBee in 2007 and rebranded in 2013, Hiveage serves over 65,000 businesses in 140+ countries with multi-currency invoicing and payment collection. The platform supports professional invoice creation with customizable templates, recurring invoices for regular clients, and automated payment reminders. Time tracking captures billable hours directly associated with clients and projects for easy invoice generation. Expense tracking records reimbursable costs that can be added to client invoices. Estimates and proposals convert to invoices upon client approval. Payment acceptance integrates with PayPal, Stripe, 2Checkout, and other payment gateways. The Client Portal enables clients to view invoices, approve estimates, and make payments online. Subscription billing handles recurring service agreements. Multi-currency support with 60+ currencies serves international service providers. Team collaboration allows multiple users to manage billing for shared clients. Hiveage's reporting covers revenue summaries, receivables aging, client profitability, and time analysis. The platform's free tier allows unlimited clients and invoices with limited features, making it accessible for businesses starting out. Its clean interface and focus on service business billing make it popular with designers, developers, writers, and consultants.

Invoice2go is a mobile-first invoicing app designed for field service businesses, tradespeople, and freelancers who need to create professional invoices, estimates, and receipts from their smartphones. Founded in 2002 and acquired by BILL Holdings in 2021, Invoice2go serves over 220,000 businesses globally with a simple, phone-native interface optimized for on-the-go business management. The app enables creating professional invoices and estimates within seconds, customized with business logos and colors. Time tracking captures billable hours for service businesses. Expense tracking records business costs for inclusion in invoices or tax preparation. Payment acceptance via credit card, bank transfer, and other methods is built in, with a Pay Now button on digital invoices. Client management maintains customer records, contact information, and invoice history. Reporting provides revenue summaries, outstanding invoice aging, and expense summaries. The GPS tracking feature for field service businesses logs mileage for reimbursement. Invoice2go's global currency support handles invoicing for international clients. The app's mobile-first design makes it uniquely suited for contractors, plumbers, electricians, landscapers, and other field service professionals who primarily use smartphones rather than desktop computers. Unlike accounting software with broad features, Invoice2go focuses on the specific need: getting paid quickly for work completed in the field. Its simplicity and professional output have made it popular among tradespeople globally.