Best Online Invoicing Tool Apps

226+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

Finding the right online invoicing tool app can be overwhelming with so many options. We've analyzed 226+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Online Invoicing Tool

Square Invoices: Invoice Maker#1

Square Invoices: Invoice Maker by Block, Inc.

Invoicing, Estimates, Bills
Editor's Choice
💼 Business
4.8😐(92K ratings)
FreeAdsIn-App Purchases
Square Invoices: Invoice Maker screenshot 1
Square Invoices: Invoice Maker screenshot 2
Square Invoices: Invoice Maker screenshot 3
Square Invoices: Invoice Maker screenshot 4
Square Invoices: Invoice Maker screenshot 5
Square Invoices: Invoice Maker screenshot 6

Create professional invoices and estimates, and easily manage bills with our secure and efficient payment system. Streamline your business operations with our essential invoicing solution. Start invoicing today!

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient for small businesses
  • 🚀 Great for invoicing and payments
  • 🚀 Seamless integration with other Square products

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Concerns about account deactivation and fund holds
  • 💰 High processing fees
Freebie Invoice Maker#2

Freebie Invoice Maker by Invoice Maker Pro s.r.o.

Invoice Simple, Invoicing App
Strong Contender
💰 Finance
4.9😊(8.8K ratings)
FreeAdsIn-App Purchases
#44in Finance
Freebie Invoice Maker screenshot 1
Freebie Invoice Maker screenshot 2
Freebie Invoice Maker screenshot 3
Freebie Invoice Maker screenshot 4
Freebie Invoice Maker screenshot 5
Freebie Invoice Maker screenshot 6

Create professional invoices, estimates, and receipts effortlessly with this free app designed for individuals and growing businesses. Enjoy features like streamlined document generation, sleek designs, online payments, and easy organization. Start today and elevate your business ownership experience. Visit the link for more details.

What We Love

  • 👍 Easy to use
  • 🚀 Straightforward and efficient
  • 💼 Great for small businesses
  • 📝 Professional-looking invoices

Room to Improve

  • 🔒 Limited free version, expensive subscription
  • 🐛 Occasional bugs and glitches
  • 🗓️ Confusing billing/subscription model
Easy Invoice Maker App#3

Easy Invoice Maker App by Invoice Generator s.r.o.

Simple Invoices Generator 2 go
Worth Considering
💰 Finance
4.9😊(26K ratings)
FreeAdsIn-App Purchases
#42in Finance
Easy Invoice Maker App screenshot 1
Easy Invoice Maker App screenshot 2
Easy Invoice Maker App screenshot 3
Easy Invoice Maker App screenshot 4

Create, send, and track professional invoices and estimates conveniently from your phone with this easy-to-use app. Save time, stay organized, and manage your finances seamlessly on the go. Get started now!

What We Love

  • 👍 Easy to use
  • 📋 Customizable templates
  • 🚀 Quick and efficient
  • 💼 Professional-looking invoices

Room to Improve

  • 🔒 Lack of cloud backup/sync functionality
  • 🔍 Limited editing options for invoice items
  • 💰 Sudden introduction of subscription fees

More Online Invoicing Tool apps to explore

4
Invoice2go: Easy Invoice Maker
Invoice2go: Easy Invoice Maker
Invoice2go: Easy Invoice Maker
Invoices & Estimates Generator
Free

Create professional invoices on the go with our intuitive mobile app. Streamline your billing process, track expenses, and get paid faster. Download now and take control of your finances with ease.

💼 Business
(53K)
5
Invoice Generator - Zoho
Invoice Generator - Zoho
Invoice Generator - Zoho
Simple & Professional Invoices
Free

Generate professional invoices easily with this intuitive application. Streamline your billing process and create customized invoices with just a few clicks. Try it now for efficient invoice management.

💼 Business
(16K)
6
Invoice Maker: PDF Generator
Invoice Maker: PDF Generator
Invoice Maker: PDF Generator
Simple Invoicing & Billing
Free

Create professional invoices swiftly with our app. Generate PDF invoices with ease for your business needs and streamline your invoicing process today.

💼 Business
(372)
7
Invoice Simple: Invoice Maker
Invoice Simple: Invoice Maker
Invoice Simple: Invoice Maker
Receipt Generator & Templates
Free

Create professional invoices, estimates, and bills with ease using this application. Streamline your invoicing process today!

💼 Business
(729)
8
Easy Invoice Maker App by Moon
Easy Invoice Maker App by Moon
Easy Invoice Maker App by Moon
Estimate And Simple Invoices
Free

Create professional invoices easily with Moon Invoice, the ultimate invoicing solution for businesses, consultants, and freelancers. Simplify tracking and managing invoices with our intuitive invoice app. Try it now!

💼 Business
(1.4K)
9
Invoice Maker Tofu & Estimates
Invoice Maker Tofu & Estimates
Invoice Maker Tofu & Estimates
Simple Invoices Generator Tofu
Free

Effortlessly create and send invoices, manage payments, and maintain a professional image with this app. Keep track of finances, store client information, and generate reports easily. Start your trial with no limits and experience simplified financial management today!

💼 Business
(52)
10
Easy Invoice Maker - Stripe,AI
Easy Invoice Maker - Stripe,AI
Easy Invoice Maker - Stripe,AI
Estimate, Receipt & Facturas
Free

Create professional invoices quickly with a user-friendly and efficient app suitable for businesses of all sizes. Ideal for self-employed individuals and employees needing quick invoicing. Access full invoice manager dashboard and create unlimited invoices with ease.

💼 Business
(2K)
11
Express Invoice Invoicing
Express Invoice Invoicing
Express Invoice Invoicing
Bills, Quotes and Reports
Free

An invoicing and billing app for easy creation and tracking of invoices, quotes, and sales orders. Generate professional documents, send invoices via email or fax, and produce comprehensive reports to manage your business efficiently.

💼 Business
(217)
12
Invoice Zip - Invoice Maker
Invoice Zip - Invoice Maker
Invoice Zip - Invoice Maker
Estimates & Invoices Creator
Free

An efficient invoicing application for businesses, contractors, and freelancers, allowing easy creation, customization, and management of invoices and estimates on-the-go. With customizable templates, detailed tracking, and reporting features, it streamlines the invoicing process, saving time and providing a professional touch. Experience the convenience of digital invoicing with Tiny Invoice!

💼 Business
(7)
13
FreeMaker - Invoice Maker
FreeMaker - Invoice Maker
FreeMaker - Invoice Maker
Invoice Simple. Invoices
Free

Create, send, and manage professional invoices easily from your phone with this intuitive and reliable app. Ideal for small business owners and freelancers, it offers features like customizable templates, automatic tax calculation, and invoice tracking. Save time and stay organized with this efficient mobile invoicing solution.

💰 Finance
(3.4K)
14
Invoice Creator: Invoicing
Invoice Creator: Invoicing
Invoice Creator: Invoicing
Digital invoices receipts
Free

This invoicing app helps coaches, teachers, and instructors generate and send invoices quickly and efficiently, allowing them to get paid faster and have more time to focus on what they love. With features like simple invoice generation, email and PDF sending, and customizable templates, users can easily track lessons and manage clients, starting with a free 7-day trial and affordable pricing plans.

💼 Business
(57)
15
Zoho Billing Management App
Zoho Billing Management App
Zoho Billing Management App
Invoices & Subscriptions tool
Free

This comprehensive billing application helps small to medium-sized businesses simplify their billing operations and drive growth by managing invoices, subscriptions, and payments in one place. Download the app to gain instant business insights, streamline billing, and enhance customer engagement at your fingertips.

💼 Business
(4)
16
Invoice Maker by Invoice Home
Invoice Maker by Invoice Home
Invoice Maker by Invoice Home
Invoice App by Invoice Home™
Free

Create professional invoices easily with our user-friendly application. Streamline your billing process and send custom invoices to clients with just a few clicks. Try it now for faster and more efficient invoicing!

💼 Business
(362)
17
Easy Invoice Maker & Generator
Easy Invoice Maker & Generator
Easy Invoice Maker & Generator
Simple PDF Quote, Bill Tracker
Free

An intuitive PDF invoice generator with easy set-up and customization features, perfect for freelancers and small-business owners. Join thousands of satisfied users and streamline your invoicing process effortlessly. Get started with a 14-day free trial now!

💼 Business
(2K)
18
BizXpert - Easy invoicing
BizXpert - Easy invoicing
BizXpert - Easy invoicing
Invoicing app for freelancers
Free

This application streamlines invoicing processes for businesses, offering smart tools for creating, sending, and managing invoices efficiently. Save time and optimize your financial workflow with Invoice - BizXpert.

💼 Business
(122)
19
Invoice Maker - InvoMate
Invoice Maker - InvoMate
Invoice Maker - InvoMate
by YENI YAZILIM LTD
Free

Create professional invoices on the go with our user-friendly app, ideal for freelancers and small business owners. Download now to easily manage your finances, set due dates, and send polished invoices in seconds.

📊 Productivity
(1.1K)
20
Invoice Maker App -InvoiceBase
Invoice Maker App -InvoiceBase
Invoice Maker App -InvoiceBase
Make Invoice & Estimate Easily
Free

Simplify and streamline your invoicing process with our professional invoice-making app. Save time with easy estimates, invoices, expenses, and purchase orders. Start sending business billings on-the-go today!

💼 Business
(2.1K)