Rechnung schreiben. Billdu
80
Quality Score
Excellent
Rechnung schreiben. Billdu
High confidence
✍️ bumetric analysis
“
Rechnung schreiben. Billdu is an iOS app from BILLDU LTD in the Business category, currently rated 4.8★ across 25,051 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 80: Excellent (strong product-market fit). For a Business app, that means strong product-market fit. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$1.4M
per month
→
12-mo forecast
$1.5M – $2.3M
per month
→
24-mo forecast
$1.8M – $3.3M
per month
BIG tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$135K
↳ What it cost to build · not monthly revenue
Likely range $100K – $180K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~7 months at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 📦 Asset bundle (215 MB) | +$40K |
| ⚙ Business complexity ×1.50 | +$45K |
Total estimate
$135K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$400K
↳ What it would sell for · not monthly revenue
Marketplace range $300K – $500K · 19× MRR multiple
💸
~3.0× return on build cost
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Business category multiple | +10% |
Final multiple
19× MRR
👥 Estimated audience size
1.6M
Lifetime downloads (US-equivalent)
Monthly active
350K
Daily active
105K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Business engagement | ~65 installs / rating |
| 🔁 Business D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.4M/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$1.4M – $1.9M
12 months
$1.5M – $2.3M
24 months
$1.8M – $3.3M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 57/100BIG TIERcompetitive but cautiousRevenue Strength
6.1
Product Quality
9.6
Market Position
2.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
10.0
Founder Strength
6.0
Monetization Maturity
1.0
- 💰 Revenue: Healthy — $560K - $3080K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.82★ across 25,051 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $25.2M-$44.8M.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
💰 Forecast Revenue / mo
MODELRevenue 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 (25,051 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 (14y 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
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 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!
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
- Not found
- 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
- Available
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
- 🇫🇷#4 /100 🇩🇪#8 /100 🇦🇺#13 /100 🇬🇧#17 /100 🇺🇸#65 /100 🇨🇦#67 /100
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- instagram instagram.com/billdu_life · linkedin linkedin.com/company/billdu · youtube youtube.com/@billdu3252/featured
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- billdu.com/about-us
📈Ratings growth25,051 ratings+18% lifetimeShow 3-year history estimate ▾
Tracked (43 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank6 countries
🇫🇷FR#4 /100
🇩🇪DE#8 /100
🇦🇺AU#13 /100
🇬🇧GB#17 /100
🇺🇸US#65 /100
🇨🇦CA#67 /100
📊Category Rank Trajectory#4 now · best #4 · worst #29
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.
📝 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.… View full description on the official store →
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.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 215 MB🔞 4+📱 iOS 17.0+🔖 v26.3.10🔄 updated 0d ago🌐 AR, CS, DA, NL, EN +9📂 Business💰 Paid
📅
What Worked™ · Development Pipeline
8 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2024-04
📈
Crossed 100 ratings — social-proof flywheel kicking in
2024-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2024-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
2024-02
⭐
Rating ↓ 5.00 → 4.67 (dropped 0.33★)
2024-01
🚀
First tracked snapshot — initial data captured
🔎
ASO Keyword Positions
BEST RANK #24Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
invoicing·#24🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 7 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.81816★ | 25,247 | 4.81816★ this version |
| 🇬🇧 GB | 4.80284★ | 7,887 | 4.80284★ this version |
| 🇩🇪 DE | 4.75134★ | 5,799 | 4.75134★ this version |
| 🇫🇷 FR | 4.74129★ | 10,788 | 4.74129★ this version |
| 🇨🇦 CA | 4.7693★ | 2,345 | 4.7693★ this version |
| 🇧🇷 BR | 4.89655★ | 29 | 4.89655★ this version |
| 🇮🇳 IN | 4.75254★ | 295 | 4.75254★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Rechnung schreiben. Billdu: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by BILLDU LTD
View all →📦 Portfolio summaryINDIE studio
3apps·$21K/mocombined
⚠ Concentrated — top app contributes 98% of combined revenue (single-app dependency)
Similar apps in Business
About this analysis
Why high confidence: 25,051 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Rechnung schreiben. Billdu make per month?▴
Based on our ML-calibrated revenue forecast, Rechnung schreiben. Billdu earns approximately $20K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like Rechnung schreiben. Billdu?▴
Browse the full Business category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes Rechnung schreiben. Billdu?▴
Rechnung schreiben. Billdu is published by BILLDU LTD on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Rechnung schreiben. Billdu's BU Score?▴
Rechnung schreiben. Billdu has a BU Score of 80/100 (Excellent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.