Invoice Maker: Estimate & Invoice App
Invoice Simple Business In-app purchases
Easy to use estimate & invoice maker. Simply professional and organized
- Rating
- 4.8
- 171K ratings
- Downloads
- 7.5M+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Sep 21
- 2026 · v6.15.1
Screenshots
About Invoice Maker: Estimate & Invoice App
Invoice Maker: Estimate & Invoice App
short description
Easy to use estimate & invoice maker. Simply professional and organized
Long description
Invoice Simple is a fast and easy invoice app for sending invoices and estimates to your customers.
Invoice Simple is the perfect invoice maker for small business owners, contractors and freelancers needing a simple and professional mobile invoice app. Create, send and track invoices and estimates easily on your phone. Manage all of your billing while on the go so you can get paid faster. Send the estimate or invoice before you even leave the customer!
The free version of Invoice Simple can be used to create a limited number of invoices. You can upgrade in-app to create an unlimited number of invoices and estimates. With Invoice Simple, you'll be invoicing your customers in no time and sending professional PDF invoices with ease. Stay organized and look Professional. Send your first free invoice today with the #1 invoice app.
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Invoice Maker Features
• Estimate, invoice and bill for any product or service
• Send estimates to customers, then convert them to invoices later
• Customize your invoice template as much or as little as you want
• Customize invoice fields: quantity, rate, and item number
• Include invoice payment terms: 30 days, 14 days, etc
• Generate receipts with a pre-built receipt template
• Discount on item or total
• Tax on item or total, inclusive or exclusive
• Customize your company logo on your invoice templates
• Create a PDF invoice or estimate with a built-in PDF invoice maker
• Email, use messaging apps (e.g: WhatsApp) or text your estimate, invoice or receipt
• Sign your invoice or estimate
• Attach images to your invoices and estimates
• Accept debit and credit cards, checks and cash
• Get notified when your estimate or invoice has been read
• Track your income with built-in billing reporting
• Quickly set up clients from your phone contact list
Estimates & Quotes
• Invoice Simple is an easily customized estimate app
• Be the first to send estimates and quotes to your customers and win more jobs
• Automatically generate invoices from estimates with one tap
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6 Reasons to Love Invoice Simple
1. Make your invoices look professional as your business. Modern, organized, clean and customizable.
2. Get invoicing right away. Hands-down the easiest invoice app available.
3. Reduce time and stress. Make billing your customers the simplest thing you do all day.
4. Make invoices and estimates from anywhere. Email, text or print your PDF invoice as soon as you finish a job.
5. Make it easy to get paid. Accept debit or credit cards as well as checks and cash.
6. Invoice with confidence. Invoice Simple is used by hundreds of thousands of small business owners like you and is consistently rated the top invoice app.
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Invoice Simple the ultimate invoice maker: Send simple invoices using professional templates, invoice generator, PDF invoices and quotes, online payments business reporting — all rolled up into one easy-to-use app. Whether you need to create a construction invoice or quote, business receipt for your side gig or small business.
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P.S. If you like the app, we’d love it if you could give us a good rating. It really does help on our mission to make small business invoicing as fast and hassle-free as possible. Thank you for choosing Invoice Simple!
For support, find us at http://help.invoicesimple.com/ or email [email protected].
(Previously called Invoice Maker)
short description
Easy to use estimate & invoice maker. Simply professional and organized
Long description
Invoice Simple is a fast and easy invoice app for sending invoices and estimates to your customers.
Invoice Simple is the perfect invoice maker for small business owners, contractors and freelancers needing a simple and professional mobile invoice app. Create, send and track invoices and estimates easily on your phone. Manage all of your billing while on the go so you can get paid faster. Send the estimate or invoice before you even leave the customer!
The free version of Invoice Simple can be used to create a limited number of invoices. You can upgrade in-app to create an unlimited number of invoices and estimates. With Invoice Simple, you'll be invoicing your customers in no time and sending professional PDF invoices with ease. Stay organized and look Professional. Send your first free invoice today with the #1 invoice app.
-----
Invoice Maker Features
• Estimate, invoice and bill for any product or service
• Send estimates to customers, then convert them to invoices later
• Customize your invoice template as much or as little as you want
• Customize invoice fields: quantity, rate, and item number
• Include invoice payment terms: 30 days, 14 days, etc
• Generate receipts with a pre-built receipt template
• Discount on item or total
• Tax on item or total, inclusive or exclusive
• Customize your company logo on your invoice templates
• Create a PDF invoice or estimate with a built-in PDF invoice maker
• Email, use messaging apps (e.g: WhatsApp) or text your estimate, invoice or receipt
• Sign your invoice or estimate
• Attach images to your invoices and estimates
• Accept debit and credit cards, checks and cash
• Get notified when your estimate or invoice has been read
• Track your income with built-in billing reporting
• Quickly set up clients from your phone contact list
Estimates & Quotes
• Invoice Simple is an easily customized estimate app
• Be the first to send estimates and quotes to your customers and win more jobs
• Automatically generate invoices from estimates with one tap
-----
6 Reasons to Love Invoice Simple
1. Make your invoices look professional as your business. Modern, organized, clean and customizable.
2. Get invoicing right away. Hands-down the easiest invoice app available.
3. Reduce time and stress. Make billing your customers the simplest thing you do all day.
4. Make invoices and estimates from anywhere. Email, text or print your PDF invoice as soon as you finish a job.
5. Make it easy to get paid. Accept debit or credit cards as well as checks and cash.
6. Invoice with confidence. Invoice Simple is used by hundreds of thousands of small business owners like you and is consistently rated the top invoice app.
-----
Invoice Simple the ultimate invoice maker: Send simple invoices using professional templates, invoice generator, PDF invoices and quotes, online payments business reporting — all rolled up into one easy-to-use app. Whether you need to create a construction invoice or quote, business receipt for your side gig or small business.
--
P.S. If you like the app, we’d love it if you could give us a good rating. It really does help on our mission to make small business invoicing as fast and hassle-free as possible. Thank you for choosing Invoice Simple!
For support, find us at http://help.invoicesimple.com/ or email [email protected].
(Previously called Invoice Maker)
What’s new
Version 6.15.1 · Updated September 21, 2026
Welcome to the new Invoice Simple experience! We've been working hard on improving our app's performance and stability while delivering the invoicing experience you expect with us. Let us know what you think and feel free to contact our 24/7 support team if you come across any issues
User reviews
Great app, has all the features of other invoice apps, but free
So far is awesome
works great
This app is wonderful It's exactly what I need.
Works great
Great app
Frequently asked questions
What is Invoice Simple?
Invoice Simple is an easy-to-use estimate and invoice maker app for sending invoices and estimates to customers.
Who is Invoice Simple designed for?
Invoice Simple is designed for small business owners, contractors, and freelancers who need a simple and professional mobile invoice app.
Can I create unlimited invoices with Invoice Simple?
The free version of Invoice Simple allows for a limited number of invoices. You can upgrade in the app to create an unlimited number of invoices and estimates.
Can I customize my invoice template with Invoice Simple?
Yes, you can customize your invoice template as much or as little as you want with Invoice Simple.
What payment options does Invoice Simple accept?
Invoice Simple accepts debit and credit cards, checks, and cash as payment options.
Can I track the status of my invoices and estimates with Invoice Simple?
Yes, Invoice Simple provides built-in billing reporting to track your income and notifies you when your estimate or invoice has been read.
Can I attach images to my invoices and estimates with Invoice Simple?
Yes, you can attach images to your invoices and estimates with Invoice Simple.
Is Invoice Simple available for mobile devices?
Yes, Invoice Simple is available for mobile devices and can be used on the go.
Can I send estimates and quotes to customers with Invoice Simple?
Yes, Invoice Simple allows you to easily customize estimates and quotes and send them to your customers.
Is Invoice Simple commonly used by small business owners?
Yes, Invoice Simple is consistently rated as the top invoice app and is used by hundreds of thousands of small business owners.
Alternatives to Invoice Maker: Estimate & Invoice App
Looking for apps like Invoice Maker: Estimate & Invoice App? Here are 6 similar Android apps on Google Play. The highest rated is Smart Invoice Maker by Billdu (4.7/5), and all 6 are free to download.
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Simple Invoice Manager 4.6
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My Invoice Generator & Invoice 4.7
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Receipt & Invoice 4.1
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Simple Invoice Maker 4.3
-
Invoice Maker & Billing App 4.3
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Smart Invoice Maker by Billdu 4.7
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Invoice Maker: Estimate & Invoice App | 4.8 / 5 | Free | 5,000,000+ | Sep 21, 2026 | |
| Simple Invoice Manager | 4.6 / 5 | Free | 5,000,000+ | Oct 21, 2026 | Compare |
| My Invoice Generator & Invoice | 4.7 / 5 | Free | 1,000,000+ | Oct 16, 2026 | Compare |
| Receipt & Invoice | 4.1 / 5 | Free | 500,000+ | Oct 3, 2026 | Compare |
| Simple Invoice Maker | 4.3 / 5 | Free | 100,000+ | Aug 25, 2025 | Compare |
| Invoice Maker & Billing App | 4.3 / 5 | Free | 1,000,000+ | Sep 22, 2026 | Compare |
| Smart Invoice Maker by Billdu | 4.7 / 5 | Free | 500,000+ | Sep 29, 2026 | Compare |
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