Comparison

Billdu vs OOTB Contractor

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

OOTB Contractor

Features
Read full description

Out of the Box Contractor has a full toolbox for General Contractors and professionals in other fields. • Contract templates • Customer database • Cost calculations (including expression support) • Ready-to-send document generation (PDF export) • Contract versioning • Payment schedules (select templates, Basic or Pro only) • Invoicing • Notes Invoicing features: • Import invoices from CSV, with field mapping • Export invoices to CSV • Stripe payment link creation (using a Restricted API Key, see documentation) Type in your info and items, pick your client info from Contacts, send the ready-to-sign contract as a PDF. Free (Lite) version lets you try it out with a single contract and single invoice at a time, using simple templates. With the Basic subscription you can have an unlimited number of contracts and line items, and you'll be able to use downloadable templates either from your parent company or our website. Pro subscription lets you create custom templates for setting up structured sets of work tasks, create easy pricing calculations using unit multipliers and variable-based expressions, that you can then use or share with your subsidiaries. Invoicing is included with both Basic and Pro subscriptions. The EULA (End-User License Agreement) for the app and subscriptions can be found at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ And our privacy policy is at: https://outofthebox.software/index.php/ootb-applications-privacy-policy/

Screenshots

Billdu4 screens
OOTB Contractor4 screens

Verdict

The call

The clearest difference is chart position: Billdu at #69 against OOTB Contractor's unranked. Billdu also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads 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 OOTB Contractor sells 2 in-app purchases, starting at $14.99 per 3 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Billdu ships an update every 2 weeks, OOTB Contractor every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 9 level
Billdu versus OOTB Contractor: the parameters behind the verdict, then further details
ParameterBillduOOTB Contractor
PriceFreeFree
Rating4.8 (26K ratings) — better—
Positive reviews89.9% of reviews—
Number of ratings26K — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#69 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac
Requires iOS17.0 — better26.0
Further details — not scored
Size207 MB3 MB
Age rating4+4+
DeveloperBILLDU LTDSimo Virokannas

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

OOTB Contractor

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
2 purchases

OOTB Contractor

Subscriptions2
  • Basic (3 months)$14.993 Months
  • Pro (3 months)$49.993 Months

Questions

Is Billdu free?
Billdu is free to download, with in-app purchases available.
Is OOTB Contractor free?
OOTB Contractor is free to download, with in-app purchases available.
Do Billdu or OOTB Contractor have ads?
Neither Billdu nor OOTB Contractor shows ads.
Which is updated more often, Billdu or OOTB Contractor?
Billdu ships an update every 2 weeks, and OOTB Contractor every 3 weeks. Most recently, Billdu was updated on October 27, 2026 and OOTB Contractor on October 25, 2026.

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