Comparison

Billdu vs Service Tech Work Orders Plus

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

Service Tech Work Orders Plus

Manage field service operations with this comprehensive app. Schedule appointments, create professional invoices and estimates, track client information, and analyze financial data. All your business management tools in one place, offline.

Highlights
  • Client-focused scheduling
  • Professional invoicing and estimates
  • Contact management with direct communication
  • Inventory and labor tracking
  • Profit & Loss analysis
  • Offline data storage
  • Customizable document formats
Read full description

Service Tech is a complete management app for all types of professional in Field service providers. It maintains a client focused schedule of your appointments. Integrated with your client contact info you can quickly create invoices and track your important accounts. Reasonable One-Time Price There are no monthly or annual fees to use your app. Powerful invoicing function is included to create, email and print all types of sales and service invoices. Invoice entry you can visualize the completed invoice as you go. The invoice entry view all of your transactions can be tailored to the unique needs of your business. There is extensive profit & loss analysis. This comprehensive business app provides complete financial information including inventory control and Profit & Loss Info. All information is maintained on your device and there is no need for connectivity or outside servers as is common with many of the more sophisticated business apps. Highlights: Project Pro Create cost plus type estimates and invoices with multiple levels and phases. Use Craftsman and your items with included descriptions and costs. Scheduler - The calendar on steroids. Select client names from your contacts and add the service information to the appointment. Create reminders, complete and invoice the transaction, view contact management info and send confirmations. All right from the appointment. View multiple calendars, set alerts, search history. Contact Management - Store notes, images and track other communications with your clients and have the in app ability to call, text, email or map without leaving your app. Labor, Parts & Supplies are maintained in the app with detailed multi-line descriptions, costs, price and units of measure & on hand quantities. These can be added on-the-fly or maintained from your stored items. Invoices are automatically created from your Estimates and support multiple payment methods. Maintain PAID and OPEN status of your invoices. Multiple sales tax rates. Your logo, detailed terms and conditions and other messages are automatically displayed. Estimates - In App Purchase required. Create detailed and professional looking estimates at the client site that may be immediately emailed or printed. Track the status of each Estimate from Draft to Email to Approved. Document Manager Document Design & Delivery- Change document formats, images, fonts, colors, and field names. Use your local language and terms. Batch deliver Printed & Email docs. Signature Capture of approved Estimates with an update of Status. Invoices and Estimates may be copied for editing and reuse with other clients. Financial Information - Is instantly available for any client, job or timeframe with just a few taps. Information may be viewed on screen or downloaded for further analysis with any spreadsheet. Help and Support - Context sensitive help shows by topic as well as how to movies. Email, text and phone support provides to help with any questions or issues. In-App Purchases Cloud Sync Automatically synchronize your information utilizing iCloud technology. For up to five devices this In App will keep your business info inSync and available on all your devices! Messages & Reminders Create Appointment Reminders automatically from your schedule using text or email. Profits and Reports Profits provides a complete financial system that tracks all sales, purchases and expenses. Includes ALL formatted PDF Reports that can be printed. + Spreadsheet Download Download your financial info and backup your info. Craftsman Cost Books This is the #1 info source for Construction Labor & Materials Cost Information. With over 15,000 labor and material items the info contained in these saves time required for creating project estimates and eliminates costly pricing errors. Recurring Service Repetitive Services entry and automatic weekly, semiweekly or monthly release for maintenance and other service providers.

Screenshots

Billdu4 screens
Service Tech Work Orders Plus4 screens

Verdict

The call

The clearest difference is price: Billdu at Free against Service Tech Work Orders Plus's $7.99. Billdu also leads on rating (4.8 vs 4.2) and update cadence (every 2 weeks vs every 3 months). Service Tech Work Orders Plus's advantage is iOS requirement (13.0 vs 17.0). On review sentiment, ads, in-app purchases and device support 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

Billdu is free to download; Service Tech Work Orders Plus costs $7.99 up front. Billdu sells 10 in-app purchases, starting at $7.99 per month and Service Tech Work Orders Plus sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Billdu holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Billdu has 26K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 89% of Billdu's written reviews are positive against 82% of Service Tech Work Orders Plus's.

UpkeepUpdate frequency

Billdu ships an update every 2 weeks, Service Tech Work Orders Plus every 3 months. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

Scorecard7 real differences · 4 level
Billdu versus Service Tech Work Orders Plus: the parameters behind the verdict, then further details
ParameterBillduService Tech Work Orders Plus
PriceFree — better$7.99
Rating4.8 (26K ratings) — better4.2 (13 ratings)
Positive reviews89.3% of reviews — better81.8% of reviews
Number of ratings26K — better13
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
Best chart rank#71 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Mac — better
Requires iOS17.013.0 — better
Further details — not scored
Size205 MB124 MB
Age rating4+4+
DeveloperBILLDU LTDJZ Mobile LLC

Customer experience

Billdu

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

Service Tech Work Orders Plus

All ratings13 ratings
Positive84.6%
Neutral0.0%
Negative15.4%
Written reviews11 reviews
Positive81.8%
Neutral0.0%
Negative18.2%

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

Service Tech Work Orders Plus

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
10 purchases

Service Tech Work Orders Plus

One-time10
  • Messages & Reminders$3.99
  • Estimates Bids & Quotes 2$3.99
  • Scheduler$3.99
Show 7 more
  • Auto Service Calls$4.99
  • Cloud Sync Secure Data Sharing$6.99
  • Profits Expenses & PDF Reports$6.99
  • All Productivity In-Apps$9.99
  • Monthly Statements$14.99
  • Craftsman NCE Cost Book$14.99
  • Mac User Full License$19.99

Questions

Is Billdu free?
Billdu is free to download, with in-app purchases available.
Is Service Tech Work Orders Plus free?
Service Tech Work Orders Plus costs $7.99, and also offers in-app purchases.
Which has better reviews, Billdu or Service Tech Work Orders Plus?
Billdu is rated higher. Billdu averages 4.8 out of 5 from 26K ratings, while Service Tech Work Orders Plus averages 4.2 from 13 ratings.
Do Billdu or Service Tech Work Orders Plus have ads?
Neither Billdu nor Service Tech Work Orders Plus shows ads.
Which is updated more often, Billdu or Service Tech Work Orders Plus?
Billdu ships an update every 2 weeks, and Service Tech Work Orders Plus every 3 months. Most recently, Billdu was updated on September 24, 2026 and Service Tech Work Orders Plus on September 17, 2026.

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