Comparison

Invoice Simple vs Invoice Maker + Bill Generator

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

Head to head
About

Invoice Simple

Create and manage professional invoices electronically with a user-friendly PDF editor and a library of fillable templates. Send invoices to clients directly from your iPhone or iPad, add electronic signatures, and track payments. Ideal for small businesses and freelancers.

Highlights
  • Create invoices on the go
  • Online PDF editor
  • Library of fillable templates
  • Add electronic signatures
  • Track payments and reports
  • Email or print invoices
Read full description

The Invoice Maker allows you to create and manage invoices electronically. It contains an online PDF editor and a library of ready-to-use fillable templates. Simply pick the template you need, fill in the required fields, and send it out to clients from your iPhone or iPad absolutely for free. Improve efficiency and bill your clients like a professional! The smart PDF invoice editor contains a wide range of templates to meet all your needs while on the go. Try the predefined invoice templates that you can edit using advanced tools, or create your own bill/invoice in minutes. Set up an unlimited number of invoices and get paid for goods or services without restrictions. It's easy to manage thanks to the app’s intuitive and user-friendly interface. With the Invoice Maker & PDF Template, you’ll always be one step ahead. Use modern-day technologies and enhance your business processes! It only takes a few simple steps to create a fillable form and invoice a client. No more boring reference books. The advantages of using the app are obvious. Each new document can be printed out, shared, or emailed as a PDF file. Add an electronic signature to your document and make it legally binding. The smart PDF invoice editor is the ideal solution for small business invoicing and freelancers. Our #1 invoice software is designed for those who are tired of filling out hundreds of bills and invoices manually. The app is both simple and suitable for beginners and industry professionals. Make your bills look professional and accurate — add your company logo or brand name, and e-sign your documents with ease. Key features: • Create documents on the go. • Use a PDF editor to edit your templates online. • Keep track of payments and reports. • Add clients from your contact list. • Legitimize any doc with your digital signature. • Email or print directly from your mobile device. • Fill out and send tax documents and IRS forms. Despite its simplicity, the app maintains a high level of functionality. Forget about complicated spreadsheets and process payments faster than ever!

About

Invoice Maker + Bill Generator

Create and send unlimited invoices, estimates, quotes, and receipts for free. This app simplifies bookkeeping for small businesses and freelancers with customizable designs, secure cloud backup, and flexible payment options. Generate professional documents in seconds and manage all your transactions in one place.

Highlights
  • Unlimited invoice creation
  • Customizable invoice design
  • Generate estimates and quotes
  • Create and send receipts
  • Secure cloud backup
  • Flexible payment methods
  • PDF report export
Features
Read full description

FREE Unlimited Invoice Maker—Invoice24: The #1 Award-Winning App for Small Businesses Send unlimited invoices, estimates, quotes and receipts for FREE. Discover a powerful yet easy-to-use invoice maker trusted by over 3,000,000 business owners and freelancers across over 170 countries. Need Invoices, Estimates, Quotes & Receipts? Here’s How Invoice24 Simplifies Your Bookkeeping • Easily create custom invoices, estimates and quotes using the best FREE invoice maker app. • Save time and money - send business invoices in seconds with a quick 5-minute setup. • Send out invoices via WhatsApp, text, email and download PDF files. • Get quotes, agreements, and proposals signed directly in-app. • Generate receipts on the go with the fast and simple receipt maker. Unlike other invoice apps, Invoice24 enables you to create and send professional business invoices, estimates, quotes and receipts within seconds, all for free. Simply input your customer details, add invoice items, review, and hit send! Invoice24 supports businesses across all industries—freelancers, contractors, tradespeople, digital services, and more. Secure Cloud-Based Invoice Maker for Your Business Invoice24 keeps your data secure with cloud backup, so your invoices and transaction details are accessible anytime, anywhere, via secure login credentials. FEATURES FOR BUSINESS OWNERS: Simplify Invoicing, Estimates, Quotations & Proposals Easy Invoice Maker & Estimate App Create and send invoices, quotes or estimates in seconds. Get real-time notifications for paid and outstanding invoices. Save time by setting up recurring invoices. Create Estimates for your Clients When the job is done, convert estimates into invoices with a tap. Track invoices to keep up with every payment. Customisable Invoice Design Personalise your professional invoices. Add necessary tax fields, include customer details, and choose invoice items to fit your business needs. Add a logo for your business. Sync the colour of your logo to your invoice. Quotation Maker Create a quote template for your project. Share quotes with your customer and save it for invoicing. Convert a quotation into an invoice within seconds. Fast One-Click Receipt Maker Quickly generate and send receipts once payments are recorded in the app. You’ll be prompted as soon as a payment is logged. Simple PDF Report Export Export PDF reports for invoices, estimates, and payment summaries. Organise reports by month, customer, or item to streamline accounting and bookkeeping. Flexible Payment Methods Handle simple or complex transactions and billing effortlessly. Accept payments via American Express, Visa, MasterCard, PayPal, and more. Send instant receipts and manage all payments in one app. Detailed Invoice Reporting for Reconciliation and Accounting Track income, prepare taxes, and manage bookkeeping with intuitive transaction reports. Use them to guide business decisions. Comprehensive App Support Get active support with responses within 12 hours. Why Choose Invoice24? Invoice24 is the most flexible, all-in-one custom invoice maker and estimate app for freelancers and small businesses. Automate payment reminders, get paid faster, and stay on top of your records with ease. Additional Features of Invoice24 • Invoice hours worked, services rendered, and products sold. • Convert estimates into invoices effortlessly. • Send receipts in just two clicks. • Add credit card surcharges for clients if needed. • Accept payments via credit cards and other popular methods. • Automatic sync across all devices. • Import customer details directly from your contact list. • Call or email clients straight from the app’s customer list. • Schedule automatic overdue payment reminders. Make bookkeeping, accounting and invoicing easier than ever with Invoice24—your trusted invoice, estimate, quote and receipt maker app. We always want to hear from you! Please email us with feedback at: hello@i24app.com https://i24app.com

Screenshots

Invoice Simple4 screens
Invoice Maker + Bill Generator4 screens

Verdict

The call

The clearest difference is review sentiment: Invoice Maker + Bill Generator at 92% against Invoice Simple's 0%. Invoice Maker + Bill Generator also leads on rating (5.0 vs 1.0) and update cadence (every 2 weeks vs every 2 months). Invoice Simple's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Invoice Maker + Bill Generator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of Invoice Simple's written reviews are positive against 92% of Invoice Maker + Bill Generator's.

UpkeepUpdate frequency

Invoice Simple ships an update every 2 months, Invoice Maker + Bill Generator every 2 weeks. The most recent releases landed on September 24, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
Invoice Simple versus Invoice Maker + Bill Generator: the parameters behind the verdict, then further details
ParameterInvoice SimpleInvoice Maker + Bill Generator
PriceFreeFree
Rating1.0 (1 ratings)5.0 (4 ratings) — better
Positive reviews0.0% of reviews92.1% of reviews — better
Number of ratings14 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size31 MB92 MB
Age rating4+4+
DeveloperairSlate, Inc.i24 Limited

Customer experience

Invoice Simple

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Invoice Maker + Bill Generator

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews38 reviews
Positive92.1%
Neutral0.0%
Negative7.9%

In-app purchases

None

Invoice Simple

No in-app purchases

None

Invoice Maker + Bill Generator

No in-app purchases

Questions

Is Invoice Simple free?
Invoice Simple is free to download, with no in-app purchases.
Is Invoice Maker + Bill Generator free?
Invoice Maker + Bill Generator is free to download, with no in-app purchases.
Which has better reviews, Invoice Simple or Invoice Maker + Bill Generator?
Invoice Maker + Bill Generator is rated higher. Invoice Simple averages 1.0 out of 5 from 1 ratings, while Invoice Maker + Bill Generator averages 5.0 from 4 ratings.
Do Invoice Simple or Invoice Maker + Bill Generator have ads?
Neither Invoice Simple nor Invoice Maker + Bill Generator shows ads.
Which is updated more often, Invoice Simple or Invoice Maker + Bill Generator?
Invoice Simple ships an update every 2 months, and Invoice Maker + Bill Generator every 2 weeks. Most recently, Invoice Simple was updated on September 24, 2026 and Invoice Maker + Bill Generator on October 17, 2026.

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