Comparison

Billdu vs Wow Invoice

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

Wow Invoice

Create professional invoices and estimates quickly and easily. Manage all your customers and their documents in one place. Customize with your logo and signature, then export as PDF.

Highlights
  • Create professional invoices and estimates
  • Manage customers and their documents
  • Add brand logo and signature
  • Export to PDF
  • Customize items, rates, and discounts
  • Recover deleted documents
Features
Read full description

If you are looking for an invoice maker and estimate maker app that can help you in creating invoices and estimates in the fastest and easiest way while saving you a lot of time then you are at the right place. Welcome to Wow Invoice - The ultimate invoice maker and estimate maker app 2024 that allows you to create professional-looking invoices and estimates for your customers within seconds. Additionally, with the help of our invoice generator and estimate maker app, you can also manage all your customers in one place effortlessly, therefore you do not need to download multiple apps to create invoices, estimates, or manage customers. We have everything for you within our all-in-one invoice maker and estimate maker app. Wow Invoice is a user-friendly and easy-to-use invoice maker and estimate maker app that is perfect for individuals, freelancers, small business owners, and contractors. Wow Invoice Maker app allows users to create professional and customizable invoices and estimates for their customers in just in a few clicks. Creating invoices or estimates is a very easy process, all you have to do is click on the plus button of our invoice maker app, then add your brand logo, personal e-signature, customer details, invoice/estimate details, and predefined items with their rates and discounts, and then leave rest to our invoice maker and estimate maker app and Wow Invoice maker will automatically create an invoice/estimate for you that you can easily export to your device and send to your customers. Wow invoice generator and invoice maker app also provide its users with a customers' section where you can manage all customers and their invoices and estimates effortlessly, Additionally, This section also provides you with all the history of your customers which you can use later if needed. FEATURES OF OUR INVOICE MAKER AND ESTIMATE MAKER APP - Create professional invoices and estimates in simple steps. - Manage invoices, estimates, and customers in one place. - Recover your deleted invoices and estimates at any time. - Create invoices and estimates with brand logo and personal signature. - User-friendly and easy-to-navigate invoice maker and estimate maker - Create custom invoice/estimate fields data like items, rates, and quantity. - Powerful search feature to find customers with their documents. - Export created invoices and estimates into PDF format. - Duplicate your invoices and estimates in just one click. - Supports multiple devices like smartphones and tablets. - Easy and simple invoice generator app to create invoices and estimates - Customize taxes and discounts according to your business model. - Invoice maker and estimate maker app support multiple countries, currencies, and date formats. SUBSCRIBE TO WOW INVOICE - INVOICE MAKER & ESTIMATE MAKER APP’S PRO PLANS Try our free version of Wow Invoice - Invoice maker and estimate maker to get a good understanding of the features of the app. To use our invoice maker app to its full potential, subscribe to our invoice maker and estimate maker app's unlimited plan. DOWNLOAD WOW INVOICE - INVOICE MAKER & ESTIMATE MAKER APP TODAY! So what are you waiting for Download and Install Now Wow Invoice - Invoice generator and estimate maker app for FREE. Create professional-looking invoices and estimates in a few seconds, manage customers, and get paid faster! Give Us Feedback If you like Wow Invoice - Invoice maker and estimate maker app please give us feedback. We always appreciate your suggestions, improvement ideas, and recommendations regarding our Invoice generator and invoice maker app - Send us your feedback at suppot@wowinvoice.io or you can visit our site at https://www.wowinvoice.io so that we can improve our Invoice maker and estimate maker app and give you more and better features in the future. Thanks! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Billdu4 screens
Wow Invoice4 screens

Verdict

The call

The clearest difference is ads: Billdu at none against Wow Invoice's shown. Billdu also leads on ratings volume (26K vs 7) and chart position (#71 vs unranked). Wow Invoice's advantage is review sentiment (100% vs 90%). 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 Wow Invoice sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Wow Invoice holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Billdu has 26K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 90% of Billdu's written reviews are positive against 100% of Wow Invoice's.

UpkeepUpdate frequency

Billdu ships an update every 2 weeks, Wow Invoice weekly. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard5 real differences · 6 level
Billdu versus Wow Invoice: the parameters behind the verdict, then further details
ParameterBillduWow Invoice
PriceFreeFree
Rating4.8 (26K ratings)5.0 (7 ratings) — better
Positive reviews89.9% of reviews100.0% of reviews — better
Number of ratings26K — better7
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#71 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.016.1 — better
Further details — not scored
Size207 MB55 MB
Age rating4+4+
DeveloperBILLDU LTDWow Invoice LLC

Customer experience

Billdu

All ratings26,233 ratings
Positive95.9%
Neutral2.0%
Negative2.1%
Written reviews1,241 reviews
Positive89.9%
Neutral2.3%
Negative7.8%

Wow Invoice

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Wow Invoice

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
3 purchases

Wow Invoice

Subscriptions3
  • Weekly7 Days trial$5.997 Days
  • Yearly$59.991 Year
  • Yearly7 Days trial$59.991 Year

Questions

Is Billdu free?
Billdu is free to download, with in-app purchases available.
Is Wow Invoice free?
Wow Invoice is free to download, with in-app purchases available.
Which has better reviews, Billdu or Wow Invoice?
Wow Invoice is rated higher. Billdu averages 4.8 out of 5 from 26K ratings, while Wow Invoice averages 5.0 from 7 ratings.
Do Billdu or Wow Invoice have ads?
Wow Invoice shows ads; Billdu does not.
Which is updated more often, Billdu or Wow Invoice?
Billdu ships an update every 2 weeks, and Wow Invoice weekly. Most recently, Billdu was updated on October 30, 2026 and Wow Invoice on October 27, 2026.

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