Best apps like QI - Invoice & estimate maker

20+ similar apps compared and reviewed

4.8 avg rating
10 free apps
Updated July 2026

Looking for something like QI? We've analyzed 20+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to QI

Square Invoices: Invoice Maker#1

Square Invoices: Invoice Maker by Block, Inc.

Invoicing, Estimates, Bills
Editor's Choice
💼 Business
4.8😐(92K ratings)
FreeIn-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 and send professional invoices and estimates quickly. Accept various payment methods, send automatic reminders, and track payments in real-time. Manage your business finances efficiently on the go.

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
Invoice Maker by Invoice Home#2

Invoice Maker by Invoice Home by Invoice Home Inc.

Invoice App by Invoice Home™
Strong Contender
💼 Business
4.6😊(370 ratings)
FreeAdsIn-App Purchases
#83in Business
Invoice Maker by Invoice Home screenshot 1
Invoice Maker by Invoice Home screenshot 2
Invoice Maker by Invoice Home screenshot 3
Invoice Maker by Invoice Home screenshot 4
Invoice Maker by Invoice Home screenshot 5
Invoice Maker by Invoice Home screenshot 6

Create professional invoices, estimates, quotes, and receipts quickly and easily. Choose from over 100 templates, add your logo, and get paid faster through online payment options. This app offers unlimited cloud storage and automatic backups.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient and convenient
  • 💰 Affordable pricing
  • 📝 Professional-looking invoices

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔒 Subscription issues and account cancellations
  • 📤 Invoices going to spam/junk folders
Invoice Maker : Billing App#3

Invoice Maker : Billing App by Tausif Akram

Invoices & Receipt Maker App
Worth Considering
💼 Business
4.7(340 ratings)
FreeIn-App Purchases
Invoice Maker : Billing App screenshot 1
Invoice Maker : Billing App screenshot 2
Invoice Maker : Billing App screenshot 3
Invoice Maker : Billing App screenshot 4
Invoice Maker : Billing App screenshot 5
Invoice Maker : Billing App screenshot 6

Manage your business finances on your iOS device. Generate professional invoices, track sales, inventory, and payments without needing an accountant. Customize templates, add your logo, and manage customer details easily.

More apps like QI

4
Zoho Invoice Maker App
Zoho Invoice Maker App
Zoho Invoice Maker App
Simple Estimate & Receipt Tool
Free

Create professional invoices and estimates for your small business. Send them directly to clients, accept online payments, and automate reminders for overdue bills. Track expenses and gain insights into your business finances with comprehensive reports.

Create professional invoicesGenerate estimatesAccept online payments
💼 Business
(14K)
free
5
Billdu: Invoice Estimate Maker
Billdu: Invoice Estimate Maker
Billdu: Invoice Estimate Maker
Billing & Quote Generator
Free

Create professional invoices and estimates quickly for your small business. This app helps you get paid faster with online payment options, track expenses by scanning receipts, and manage clients and inventory. It's designed for freelancers and contractors to maintain a professional image and streamline billing.

Customizable invoice templatesInstant estimates and invoicesOnline payment processing
💼 Business
(26K)
free with in-app purchases
6
Easy Invoice Maker & Generator
Easy Invoice Maker & Generator
Easy Invoice Maker & Generator
Simple PDF Quote, Bill Tracker
Free

This app simplifies financial management for freelancers and small businesses. Create professional invoices, estimates, and track payments with customizable branding and global currency support. Gain insights with sales reports and automate recurring billing.

Professional invoice and estimate creationCustomizable branding with logo and termsPDF invoice sharing via email and social media
💼 Business
(2K)
subscription
7
Invoice Maker; Invoice Simple
Invoice Maker; Invoice Simple
Invoice Maker; Invoice Simple
Receipt Generator & Templates
Free

Create and send professional invoices, estimates, and receipts quickly from your mobile device. This app helps individuals and growing businesses get organized, look professional, and get paid faster by accepting online payments.

Create invoices, estimates, and receiptsSend documents via email, text, or WhatsAppAccept online payments
💼 Business
(123K)
free with in-app purchases
8
Invoice & Estimate Maker
Invoice & Estimate Maker
Invoice & Estimate Maker
Create Professional Invoices
Free

Quickly generate professional invoices and estimates for your clients. Customize templates with your business details, add unlimited customers and services, and track payments on the go. Convert estimates to invoices with a single tap.

Create invoices and estimatesCustomize company details and logoUnlimited customers, products, and services
💼 Business
(11K)
subscription
9
Rechnung und angebot schreiben
Rechnung und angebot schreiben
Rechnung und angebot schreiben
Buchhaltung und Rechnungapp
Free

Create professional invoices, estimates, and receipts quickly. Automate payment tracking, send smart reminders, and accept various payment methods. Streamline your business accounting and reporting with secure cloud sync.

Professional invoice creationAutomated payment trackingSmart payment reminders
💼 Business
(16K)
free with in-app purchases
10
Invoice Maker・Billing App
Invoice Maker・Billing App
Invoice Maker・Billing App
Convert estimates into invoicе
Free

Create and share professional invoices and estimates quickly from any device. Save time on paperwork, stay organized, and get paid faster with customizable branding and payment options. Focus on your business while this app handles your billing.

Create invoices and estimates quicklyConvert estimates to invoicesSave product/service details
💼 Business
(7.2K)
free with in-app purchases