Comparison

Billdu vs SubTotal

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

SubTotal

Create professional PDF invoices, quotes, and estimates quickly for your small business. Personalize templates with your logo and branding. Supports e-invoicing standards and offers cloud sync for easy access across devices.

Highlights
  • Create PDF invoices, quotes, and estimates
  • Cloud sync across platforms
  • E-invoicing support (Factur-X & ZUGFeRD)
  • Personalize with logo, color, and font
  • Track invoices and mark as paid
  • Beautiful PDF templates
Read full description

Create professional PDF invoices, quotes, and estimates in minutes. SubTotal gives freelancers, contractors, consultants, and small business owners a simple way to handle client billing without a complicated accounting system. Create documents your way • Make and send PDF invoices, quotes, and estimates • Choose from professional templates and layouts • Personalize documents with your company logo, colors, and fonts • Manage invoices and mark them as paid when payment arrives • Turn WorkingHours time-tracking data into an invoice with one click PDF and electronic invoicing Save, share, view, or email polished PDF documents and e-invoice XML files. Create electronic invoices in supported formats, including Factur-X, ZUGFeRD, and XRechnung for EN 16931 workflows. Continue across your devices Start an invoice on your phone or tablet, then continue on supported laptop and desktop versions. Optional cloud sync keeps your invoice data available across devices using iCloud, OneDrive, Google Drive, Dropbox, or WebDAV. Cloud sync requires SubTotal Pro. Simple, flexible pricing SubTotal is free to use, with no ads or subscription. A free 7-day trial lets you test Pro features, including cloud sync, e-invoicing, all PDF fonts and layouts, custom PDF fonts, embedded QR codes, and removal of the hyperlink from the PDF footer. SubTotal Pro is a one-time purchase linked to your Apple ID and unlocks Pro access for iOS/iPadOS. A separate Pro purchase may be required on other platforms. SubTotal does not guarantee conformity with legal, tax, invoice creation, issuance, storage, or e-invoicing requirements in your country.

Screenshots

Billdu4 screens
SubTotal4 screens

Verdict

The call

The clearest difference is ratings volume: Billdu at 26K against SubTotal's 24. Billdu also leads on chart position (#65 vs unranked). On price, rating, review sentiment and update cadence 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 SubTotal sells 2 one-off in-app purchases. 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 4.8 for SubTotal. That said, the two scores are not equally well evidenced: Billdu has 26K ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 90% of Billdu's written reviews are positive against 94% of SubTotal's.

UpkeepUpdate frequency

Billdu ships an update every 2 weeks, SubTotal every 6 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 9 level
Billdu versus SubTotal: the parameters behind the verdict, then further details
ParameterBillduSubTotal
PriceFreeFree
Rating4.8 (26K ratings) — better4.8 (24 ratings)
Positive reviews89.9% of reviews94.0% of reviews — better
Number of ratings26K — better24
Update frequencyEvery 2 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#65 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Mac
Requires iOS17.0 — better17.4
Further details — not scored
Size207 MB21 MB
Age rating4+4+
DeveloperBILLDU LTDTimo Partl

Customer experience

Billdu

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

SubTotal

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews117 reviews
Positive94.0%
Neutral2.6%
Negative3.4%

User reviews

Billdu

From 26K App Store ratings

What we love

  • 🚀 Easy to use
  • 📊 Helpful business features
  • 🖼️ Professional-looking invoices
  • 🕰️ Time-saving
  • 💻 Seamless mobile experience

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔍 Limited customization options
  • 💳 Billing/payment issues
  • 🕰️ Slow customer support response

SubTotal

From 24 App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🚀 Fast and efficient
  • 💰 One-time purchase, no subscription
  • 🔄 Seamless syncing across devices
  • 📱 Great integration with WorkingHours

Room to improve

  • 🐛 Some features missing for advanced users
  • 🤔 Limited customization options for templates
  • 🐛 Bugs reported after updates
  • 🐛 Issues with umlauts in PDFs
  • 🐛 Rounding differences in calculations

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

SubTotal

Reported bugs

7 issues
  • Description text gets deleted when adding concepts
  • Text on positions not saved and positions not editable after update
  • App crashes when opening or editing invoices/estimates after update
  • UST-Satz (VAT rate) stuck at 0% and not adjustable on Mac
  • Umlauts not displayed correctly in PDF (bank details, item descriptions)
Show 2 more
  • Rounding differences in calculations
  • Invoices can still be modified after being marked as sent

Requested features

38 requests
  • Auto populate/save item descriptions
  • Column for date of service or purchase
  • Option for separate categories for items
  • Function to show payments applied
  • Customizable PDF templates
Show 33 more
  • Yearly reports
  • Dark mode
  • Advanced analytics dashboard
  • More invoice template designs
  • Date format option (MM/DD/YYYY)
  • Option to change date format to US
  • Field for tax number
  • Field for service period (from-to date)
  • Save button and undo function when creating invoices
  • Keyboard-driven navigation and shortcuts
  • Ability to input PO numbers
  • Ability to attach files
  • Dashboard for monthly/quarterly comparisons
  • Option to mark invoices as locked after PDF creation
  • Option to add discount on the entire invoice in percent
  • Product catalog for quick item insertion
  • Ability to change tax to 'total hours worked'
  • Option to include total hours worked at the bottom of the invoice
  • Translate phrases like 'Add tax', 'Discount', 'Line item sum' to Russian
  • Marking invoices in the list for easier selection
  • Support for recurring invoices
  • Ability to convert quotes to invoices without overwriting
  • More flexibility in invoice layouts and placeholders
  • Option to drag and drop order of items
  • Global BCC for email sending
  • Recipient email not automatically copied from contacts
  • Small free text field for email body
  • Ability to add a header or text area and make it bold
  • Option to add down payments
  • Option to add explanations per item (material, labor, etc.)
  • Possibility of generating EÜR (Einnahmenüberschussrechnung)
  • More options for customizing invoice appearance
  • Client database with saved information

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

SubTotal

One-time2
  • Pro version iOS$8.99
  • Pro version macOS$17.99

Questions

Is Billdu free?
Billdu is free to download, with in-app purchases available.
Is SubTotal free?
SubTotal is free to download, with in-app purchases available.
Which has better reviews, Billdu or SubTotal?
Billdu is rated higher. Billdu averages 4.8 out of 5 from 26K ratings, while SubTotal averages 4.8 from 24 ratings.
Do Billdu or SubTotal have ads?
Neither Billdu nor SubTotal shows ads.
Which is updated more often, Billdu or SubTotal?
Billdu ships an update every 2 weeks, and SubTotal every 6 days. Most recently, Billdu was updated on October 28, 2026 and SubTotal on October 25, 2026.

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