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80
BU Score
Excellent

Rechnung schreiben. Billdu

4.8 ✍️ Editor
✍️ BU Analytics Review

Rechnung schreiben. Billdu is an iOS app from BILLDU LTD in the Business category, currently rated 4.8★ across 25,044 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 80Excellent (strong product-market fit). For a Business app, that means strong product-market fit.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 11 of 11 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Mid install base (25,044 ratings)METRIC
+$5,500
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.8★)METRIC
+$2,200
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
excellent appREVIEW
+$1,500
Mature app (13y old)METRIC
+$1,500
Multilingual (14 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
support teamREVIEW
+$900
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 215 MB🔞 4+📱 iOS 17.0+🔖 v26.3.10🔄 updated 2w ago🌐 AR, CS, DA, NL, EN +9📂 Business💰 Paid🚀 Launched 2012 (13y old)

📝 About this app

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.

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

🆕 What's New · v26.3.10

A little tidy-up behind the scenes!
We smoothed out some rough edges, polished the shiny bits, and waved goodbye to a few pesky bugs.
Here's to invoices that glide out the door!

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Rechnung schreiben. Billdu
Developer
BILLDU LTD
Bundle ID
sk.kreative.iFakturyDE
App Store URL
Open in App Store
Category
Business
Content rating
4+
Languages
AR, CS, DA, NL, EN, FR, DE, IT, NB, PL, PT, SK, ES, SV

Company

Website
www.billdu.com
Tagline
Invoice Faster, Get Paid Quicker.
Description
Professional invoicing software for small businesses. Create professional-looking invoices, estimates, purchase orders, delivery notes, & more with Billdu apps.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$20.7K/mo
Top-grossing rank
🇫🇷#6 /100   🇩🇪#8 /100   🇦🇺#12 /100   🇬🇧#21 /100   🇨🇦#58 /100   🇺🇸#71 /100
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
https://www.linkedin.com/company/billdu/
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://www.billdu.com/blog/
Press / News
Not found

Contacts & Socials

Socials
instagram · linkedin · youtube
Email
Not found
Phone
Not found
Contact page
Not found
About page
https://www.billdu.com/about-us/
📈Ratings growth25,044 ratings+16% lifetimeShow 3-year history estimate ▾May 2023Nov 2025May 2026
Tracked (47 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic DistributionTop 10Top 30Top 60
FR#6DE#8AU#12GB#21CA#58US#71
🌍Top Countries — Grossing Rank6 countries
🇫🇷FR
#6 /100
🇩🇪DE
#8 /100
🇦🇺AU
#12 /100
🇬🇧GB
#21 /100
🇨🇦CA
#58 /100
🇺🇸US
#71 /100
📊Category Rank Trajectory#6 now · best #6 · worst #43
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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