Comparison

Invoice Maker ▸ Invoice Simple vs ProBooks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Invoice Maker ▸ Invoice Simple

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.

Highlights
  • Create invoices, estimates, and receipts
  • Send documents via email, text, or WhatsApp
  • Accept online payments
  • Customize invoices with logo and business details
  • Track invoice status and get payment reminders
  • Organize client and product information
Currently charting
Read full description

Easily create & send professional invoices, estimates, and receipts on the go! The perfect tool for individuals and growing businesses that lets you quickly create a document on the spot while with your customer. For growing businesses who want: · A simple way to make estimates, invoices, and receipts fast · Professional-looking invoices that you can send from your mobile device · An easy way to accept online payments and stop chasing checks From a landscaping invoice or estimate to a receipt for entertainment supplies in your side gig, Invoice Simple is the app for your small business. START YOUR FREE TRIAL 6 WAYS INVOICE SIMPLE MAKES YOUR LIFE AS A BUSINESS OWNER EASIER 1. SIMPLE TO USE Designed to make sure you never have to waste time “figuring out” how to make it work. 2. INVOICE ANYWHERE Standing next to your client, in your truck, or sitting at your desk, there’s no quicker way to send an invoice. 3. GET ORGANIZED Keeping track is effortless. Your entire history is collected in one place, easy to find and read. Taxes are a breeze. 4. LOOK MORE PROFESSIONAL Create professional-looking invoices and estimates on the spot. 5. GET PAID FASTER Making it easy to get paid by accepting cards with simple fee structure and low rates that you can add to an invoice - no cost to you, as well as accept checks and cash. 6. INVOICE WITH CONFIDENCE Join hundreds of thousands of small businesses who rely on Invoice Simple, consistently a top-rated invoicing app. Easily customize every aspect of your invoice, estimate, or receipt: 1. Add your logo and business details 2. Include your banking details 3. Easy-add and import client details saved in your phone contacts 4. Customize tax and add discounts 5. Accept credit card payment with simple fee structure and low rates that you can add to an invoice - no cost to you, as well as accept checks and cash 6. Add product information and attach photos 7. Include your signature Send your invoice or estimate by email, text, WhatsApp, or download it as a PDF. Get instant alerts when it's opened, paid, or is overdue with instant mobile device and email notifications. You don’t have to limit yourself to cash and checks. Just select “accept online payments” and follow the simple steps to hook up your invoices to Invoice Simple Payments. PLANS: Start with a free trial, then choose the best plan for your business: Essentials For entrepreneurs to easily start sending estimates, invoices, receipts, and receive payments. · Up to 3 invoices per month · QR code payments · Online payments · Real time read receipts · Expense tracking · Top rated mobile and web apps Plus For small businesses to send nice-looking, easy to create documents on-the-go. Everything in Essentials, plus: · Up to 10 invoices per month · Add photos · Business owner signature · Autofill client & item info · Due date reminders Premium For small businesses to improve invoice organization and make online payments easy. Everything in Plus, along with: · UNLIMITED invoices per month · Customer support 1st response priority Invoice Simple, the ultimate invoice, receipt, & estimate maker: Send simple invoices using professional templates, invoice generator, PDF invoices and quotes, online payments, bill organizer, receipt and expense tracking, and business reporting—all rolled up into one easy-to-use app. When it's time to create an estimate, invoice, or receipt for your small business, Invoice Simple will work for you. Terms of use: https://www.invoicesimple.com/terms Privacy policy: https://www.invoicesimple.com/privacy

About

ProBooks

Create professional invoices and estimates in seconds with this app. It helps manage expenses, track payments, and send bills efficiently. Customize templates and accept various payment methods to streamline your business finances.

Highlights
  • Create invoices and estimates
  • Expense tracking and management
  • Customizable invoice templates
  • Recurring invoice setup
  • Payment processing
  • Receipt generation
  • Client signature capture
Features
Read full description

Streamline Your Finances with ProBooks - Invoice Maker: The Ultimate Invoice Creator and Expense Manager. Create estimates and invoices in seconds with ProBooks, the professional invoice maker and billing app that helps you get paid fast. Discover how ProBooks, the leading bill app & invoice creator, transforms business transactions into a streamlined, efficient process. Crafted for small business owners, freelancers, contractors, and handymen, ProBooks is more than just an invoice app - it's a comprehensive expense manager and invoice/bill organizer that keeps your financials in perfect order. EFFORTLESS INVOICING WITH PROBOOKS - INVOICE MAKER Simplify your accounting with a bill app that generates professional invoices in just a few taps. Use our intuitive invoice creator to produce polished PDF documents that help you get paid quickly while maintaining your brand’s image. As a robust invoice template solution, it allows you to customize designs and convert estimates to invoices instantly. Whether at your office or on-the-go, send invoices via email, text, or any other messaging app. Enjoy instant notifications when clients open your invoices. CUSTOMIZE YOUR INVOICE TEMPLATES With multiple invoice template designs, you can tailor each invoice to fit your brand. Personalize colors and add your logo, or use our innovative AI logo generator for inspiration. ENHANCE CASH FLOW MANAGEMENT Tackle cash flow disruption issues with the ProBooks - Invoice Maker & business expense tracker. Send invoices and estimates promptly while managing payments effectively. Accept payments via debit cards, credit cards (Visa, MasterCard, American Express), bank transfers, checks, or cash. RECURRING INVOICES & BILL TRACKING Set up automated, recurring invoices to ensure timely billing with minimal effort. ProBooks’ bill tracker handles invoices on a weekly, monthly, or yearly schedule, allowing you to focus on growing your business. RELIABLE INVOICE & RECEIPT MAKER ProBooks stands out as the best receipt maker for its ability to generate both once-off and recurring invoices. Customize each invoice with descriptions, quantities, rates, and tax details. Capture client signatures for added authenticity and attach additional documentation as needed. Downloadable PDF invoices make record-keeping straightforward and efficient. EXPENSE TRACKING MADE SIMPLE Harness the power of an advanced expense manager. Easily add and categorize business expenses, monitor spending trends, and track taxes for seamless accounting. Let ProBooks revolutionize how you track invoices and business expenses. ProBooks’ intuitive expense tracking makes it easy to scan receipts using your camera, securely storing them for future reference. 5 Reasons You’ll Love ProBooks - Invoice App 1. Professional Invoice Templates: Stand out with modern designs tailored to your business needs. 2. Fast Payment Processing: Win more projects by getting paid faster compared to other apps. 3. Effortlessly receive payments: Facilitate easy payments with our secure Stripe.com integration, a globally renowned payment processor, enabling your business to accept credit card and bank payments efficiently. 4. Time-Saving Features: Rely on ProBooks for a stress-free invoicing and accounting experience. 5. Manage Invoicing Anywhere: Handle your invoices, estimates, and receipts on-the-go with ease. 6. Trusted by Businesses: Join thousands of satisfied users who rely on our app’s comprehensive solutions. Download ProBooks - Invoice Maker today and experience professional finance management at your fingertips. Start your 30-day risk-free trial and enjoy the full suite of ProBooks features for just $4.99/month or $49.99/year after. Access our full terms at https://ProBooks.com/terms. Should you have any questions or need assistance, our customer support is always ready to help. Contact us at contact@probooks.com and transform your invoicing and expense management with ProBooks today!

Screenshots

Invoice Maker ▸ Invoice Simple4 screens
ProBooks4 screens

Verdict

The call

The clearest difference is ratings volume: Invoice Maker ▸ Invoice Simple at 123K against ProBooks's 435. Invoice Maker ▸ Invoice Simple also leads on chart position (#9 vs unranked). ProBooks's advantage is review sentiment (88% vs 64%). On price, rating, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Invoice Maker ▸ Invoice Simple sells 9 in-app purchases, starting at $6.99 per month and ProBooks sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Invoice Maker ▸ Invoice Simple against 4.8 for ProBooks. That said, the two scores are not equally well evidenced: Invoice Maker ▸ Invoice Simple has 123K ratings behind it against 435, so its average is the more settled of the two. Written reviews are what separate them: 64% of Invoice Maker ▸ Invoice Simple's written reviews are positive against 88% of ProBooks's.

UpkeepUpdate frequency

Invoice Maker ▸ Invoice Simple ships an update every 9 days, ProBooks weekly. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 8 level
Invoice Maker ▸ Invoice Simple versus ProBooks: the parameters behind the verdict, then further details
ParameterInvoice Maker ▸ Invoice SimpleProBooks
PriceFreeFree
Rating4.9 (123K ratings) — better4.8 (435 ratings)
Positive reviews63.9% of reviews87.9% of reviews — better
Number of ratings123K — better435
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#9 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size209 MB61 MB
Age rating4+4+
DeveloperZenvoice Inc.ProBooks

Customer experience

Invoice Maker ▸ Invoice Simple

All ratings122,755 ratings
Positive97.5%
Neutral1.6%
Negative0.9%
Written reviews1,579 reviews
Positive63.9%
Neutral6.1%
Negative30.0%

ProBooks

All ratings435 ratings
Positive97.2%
Neutral1.4%
Negative1.4%
Written reviews66 reviews
Positive87.9%
Neutral3.0%
Negative9.1%

User reviews

Invoice Maker ▸ Invoice Simple

From 123K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Professional-looking invoices
  • 🚀 Quick and simple
  • 👍 Saves time
  • 👍 Convenient mobile access

Room to improve

  • 💰 Expensive subscription
  • 🐛 Glitches and bugs
  • 🔀 Inconsistent features across platforms
  • 🔀 Confusing navigation
  • 🔀 Limited customization options

ProBooks

From 435 App Store ratings

What we love

  • 👍 User-friendly and intuitive interface
  • 📱 Seamless cross-device syncing (iPhone, iPad, MacBook)
  • 🎨 Professional and customizable invoice templates
  • 💰 Affordable pricing with flexible subscription options
  • ⚡ Quick and easy invoice creation process

Room to improve

  • 🐛 Data loss during app updates (critical issue)
  • 📱 Mobile app has significant glitches and bugs
  • 🔍 Search functionality doesn't find customers reliably
  • ❌ Missing customer names in estimates tab
  • 😞 Inconsistent customer service response times

Bugs and requests

Invoice Maker ▸ Invoice Simple

Reported bugs

4 issues
  • Invoices not sending properly
  • App crashing or freezing
  • Inability to recover deleted invoices
  • Syncing issues between mobile and desktop

Requested features

6 requests
  • Add ability to rearrange line items
  • Improve search and filtering capabilities
  • Integrate with accounting software
  • Add option to track expenses and profitability
  • Allow multiple business profiles in one account
Show 1 more
  • Improve mobile and desktop app parity

ProBooks

Reported bugs

9 issues
  • Customer database deletion after forced updates
  • All invoices and profile data disappearing
  • Mobile app query doesn't find customers
  • Estimates tab missing customer names
  • App force logs out after leaving
Show 4 more
  • Credits lost with each update
  • iOS compatibility issues after system updates
  • Mobile app glitches and performance issues
  • App incompatibility after iOS updates with no developer support

Requested features

8 requests
  • Dark mode option
  • Payment method quick options (Zelle, Venmo, Cash App)
  • Horizontal/landscape mode support
  • Automotive shop customization (make, model, year, VIN, license plate)
  • Dashboard restoration or improvement
Show 3 more
  • Better mobile app stability and feature parity with desktop
  • Update notification system for changes and tweaks
  • Inventory management features

In-app purchases

9 purchases

Invoice Maker ▸ Invoice Simple

Subscriptions9
  • Essentials Monthly$6.991 Month
  • Mobile subscription$10.991 Month
  • Monthly Side Business$10.991 Month
Show 6 more
  • Monthly Business Sub$11.991 Month
  • Monthly Subscription$11.991 Month
  • Monthly subscription2 variants$13.491 Month
  • Plus Monthly$14.991 Month
  • Monthly Standard Subscription$17.991 Month
  • Premium Monthly$21.991 Month
3 purchases

ProBooks

Subscriptions2
  • Unlock Everything$4.991 Month
  • Unlock Everything7 Days trial$49.991 Year
One-time1
  • AI Logo Pack$4.99

Questions

Is Invoice Maker ▸ Invoice Simple free?
Invoice Maker ▸ Invoice Simple is free to download, with in-app purchases available.
Is ProBooks free?
ProBooks is free to download, with in-app purchases available.
Which has better reviews, Invoice Maker ▸ Invoice Simple or ProBooks?
Invoice Maker ▸ Invoice Simple is rated higher. Invoice Maker ▸ Invoice Simple averages 4.9 out of 5 from 123K ratings, while ProBooks averages 4.8 from 435 ratings.
Do Invoice Maker ▸ Invoice Simple or ProBooks have ads?
Neither Invoice Maker ▸ Invoice Simple nor ProBooks shows ads.
Which is updated more often, Invoice Maker ▸ Invoice Simple or ProBooks?
Invoice Maker ▸ Invoice Simple ships an update every 9 days, and ProBooks weekly. Most recently, Invoice Maker ▸ Invoice Simple was updated on September 25, 2026 and ProBooks on September 14, 2026.

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