Comparison

Billdu vs Invoice Maker Simple Generator

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

Head to head
About

Billdu

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.

Highlights
  • Customizable invoice templates
  • Instant estimates and invoices
  • Online payment processing
  • Receipt scanning for expense tracking
  • Client and inventory management
  • Multi-device synchronization
Features
Currently charting
Read full description

Billdu is your all-in-one invoice maker, estimate generator, and billing app designed for small businesses, contractors, and freelancers in the US. Whether you’re creating a simple invoice, a professional estimate, or tracking receipts, Billdu makes it fast, easy, and reliable. Why choose Billdu? • Customizable Invoice Templates – Personalize with your logo, colors, and signature. Choose from professional layouts that impress clients. • Instant Estimates & Invoices – Create and send documents right after the job is done. • Get Paid Faster – Enable Stripe-powered Online Payments to accept credit cards, Apple Pay, Google Pay, and other popular payment methods. • Expense Tracking – Scan receipts, categorize expenses, and keep your business finances organized. • Contractor-Friendly Tools – Perfect for construction, plumbing, electrical, and service-based businesses. • Multi-Device Sync – Access your account and data from iPhone, iPad, or desktop in real-time. • Inventory Management – Track products, manage stock, and add items to invoices in one tap. • Client Management – Store and organize client data, import from contacts, and send reminders. Who Billdu is for? Billdu is perfect for contractors, estimators, and service companies including: painters, concrete, HVAC, roofers, renovators, plumbers, siding, lawn care, construction, electricians, carpenters, flooring, builders, pest control, tile, handymen, landscapers, drywallers, paving, remodeling, arborists, cleaning, general contractors, scaffolding, insulation, pool, EV charger installers and more! Advanced Features: - Attach product images to invoices - Know when an invoice was opened - Connect directly with your accountant - Use offline and sync later - Secure with Face ID or Touch ID - Generate reports and track cash flow Flexible Plans: Try Billdu free for 7 days. Upgrade to Lite, Standard, or Premium for unlimited invoices, estimates, and clients. Billdu helps you save time, get paid faster, and stay organized — all while maintaining a professional image. Terms: https://my.billdu.com/page/condition Privacy: https://my.billdu.com/page/protection

About

Invoice Maker Simple Generator

Create professional invoices quickly and efficiently with this user-friendly app. Easily add products, services, and company details, with automatic calculations for accurate totals. Share your finalized invoices via email, messaging, or print.

Highlights
  • User-friendly interface
  • Automatic calculations
  • Save company information
  • Add notes and terms
  • Preview invoices
  • Share via email/messaging/print
Features
Read full description

Invoice Maker Simple Generator is a user-friendly mobile application designed to assist individuals and businesses in creating professional invoices quickly and efficiently. With its intuitive interface and streamlined features, this app is an essential tool for anyone who needs to generate invoices on the go. The app offers a straightforward and hassle-free invoice creation process. Users can input essential information such as their company name, logo, address, and contact details, which can be saved for future use to save time. To create an invoice, users can effortlessly add products or services, along with their respective quantities and prices. The app performs automatic calculations, ensuring accurate totals and subtotals for each item and the overall invoice. Once the invoice is finalized, users have the option to preview and review the document before sharing it with clients or customers. The app supports various sharing options, including email, messaging apps, or even direct printing, ensuring efficient delivery of invoices. Key Features of Invoice Maker Simple Generator: - User-friendly interface for easy invoice creation. - Automatic calculations for accurate totals and subtotals. - Ability to save and reuse company information for future invoices. - Inclusion of additional notes or terms and conditions. - Preview and review invoices before sharing. - Seamless sharing options via email, messaging apps, or printing. Privacy Policy: https://docs.google.com/document/d/19jo46v6oArs6fmV5hhmIkLZjDnbejE1hunwTdfcHhQM/edit?usp=sharing Terms of use: https://docs.google.com/document/d/1fGEPLC5ClvqeOHuTzOIvBw8F-MM1fyzuAq1_OVpbiuk/edit?usp=sharing

Screenshots

Billdu4 screens
Invoice Maker Simple Generator4 screens

Verdict

The call

Billdu and Invoice Maker Simple Generator both sit at 4.8 stars, but that hides the real split: 89% of Billdu's written reviews are positive against 0% of Invoice Maker Simple Generator's. Billdu also leads on ads (none vs shown) and ratings volume (26K vs 223). Invoice Maker Simple Generator's advantage is iOS requirement (15.3 vs 17.0). On price, rating, update cadence and in-app purchases 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. Billdu sells 10 in-app purchases, starting at $7.99 per month and Invoice Maker Simple Generator sells 4 in-app purchases, starting at $1.99 per 7 days. 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 — 4.8 for Billdu against 4.7 for Invoice Maker Simple Generator. That said, the two scores are not equally well evidenced: Billdu has 26K ratings behind it against 223, so its average is the more settled of the two. Written reviews are what separate them: 89% of Billdu's written reviews are positive against 0% of Invoice Maker Simple Generator's.

UpkeepUpdate frequency

Billdu ships an update every 2 weeks, Invoice Maker Simple Generator every 11 days. The most recent releases landed on September 25, 2026 and August 13, 2026 respectively.

Scorecard5 real differences · 6 level
Billdu versus Invoice Maker Simple Generator: the parameters behind the verdict, then further details
ParameterBillduInvoice Maker Simple Generator
PriceFreeFree
Rating4.8 (26K ratings) — better4.7 (223 ratings)
Positive reviews89.3% of reviews — better0.0% of reviews
Number of ratings26K — better223
Update frequencyEvery 2 weeksEvery 11 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#79 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.015.3 — better
Further details — not scored
Size205 MB76 MB
Age rating4+4+
DeveloperBILLDU LTD3100 Michigan Apartments, L.P.

Customer experience

Billdu

All ratings26,064 ratings
Positive95.9%
Neutral2.0%
Negative2.1%
Written reviews1,140 reviews
Positive89.3%
Neutral2.5%
Negative8.2%

Invoice Maker Simple Generator

All ratings223 ratings
Positive92.4%
Neutral3.1%
Negative4.5%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Billdu

Reported bugs

3 issues
  • Invoices not being received by clients
  • Inconsistent invoice numbering
  • Inability to save draft estimates

Requested features

5 requests
  • Improved date/time handling
  • Ability to transfer data between businesses
  • More customization options for invoices
  • Integrated payment processing
  • Enhanced reporting and analytics

Invoice Maker Simple Generator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Billdu

Subscriptions10
  • LITE - 1 month$7.991 Month
  • STANDARD (Month)$14.991 Month
  • STANDARD - 1 month$14.991 Month
Show 7 more
  • STANDARD - 1 month7 Days trial$14.991 Month
  • PREMIUM (Month)$27.991 Month
  • PREMIUM - 1 month$27.991 Month
  • 24 invoices$59.991 Year
  • STARTER (Year)$59.991 Year
  • STANDARD (Year)$119.991 Year
  • STANDARD - 12 months$119.991 Year
4 purchases

Invoice Maker Simple Generator

Subscriptions4
  • Invoice Maker Special Offer$1.997 Days
  • Invoice Premium Subscription$5.997 Days
  • Invoice Premium Subscription3 Days trial$5.997 Days
Show 1 more
  • Invoice Maker Month Premium$11.991 Month

Questions

Is Billdu free?
Billdu is free to download, with in-app purchases available.
Is Invoice Maker Simple Generator free?
Invoice Maker Simple Generator is free to download, with in-app purchases available.
Which has better reviews, Billdu or Invoice Maker Simple Generator?
Billdu is rated higher. Billdu averages 4.8 out of 5 from 26K ratings, while Invoice Maker Simple Generator averages 4.7 from 223 ratings.
Do Billdu or Invoice Maker Simple Generator have ads?
Invoice Maker Simple Generator shows ads; Billdu does not.
Which is updated more often, Billdu or Invoice Maker Simple Generator?
Billdu ships an update every 2 weeks, and Invoice Maker Simple Generator every 11 days. Most recently, Billdu was updated on September 25, 2026 and Invoice Maker Simple Generator on August 13, 2026.

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