PDF Expert: Dateien bearbeiten
83
Quality Score
Excellent
✍️ Bumetric analysis
“
PDF Expert: Dateien bearbeiten is an iOS app from Readdle Technologies Limited in the Productivity category, currently rated 4.7★ across 215,006 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 83: Excellent (strong product-market fit). For a Productivity 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
$1.5M
per month
→
12-mo forecast
$1.6M – $2.4M
per month
→
24-mo forecast
$1.9M – $3.5M
per month
BIG tierSUBSCRIPTION
💡 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
181 snapshots on record
Rating
4.7
Reviews
215,006 reviews
Forecast Revenue / mo
$1.5M
Snapshots tracked
181
since Feb 2024
ONE-TIME · BUILD
💰 Estimated build cost
$175K
↳ What it cost to build · not monthly revenue
Likely range $130K – $235K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in under a month 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 (307 MB) | +$40K |
| ⚙ Productivity complexity ×1.10 | +$9K |
| ⚙ 12.8y maintenance × ~1-person team | +$76K |
Total estimate
$175K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$33.0M
↳ What it would sell for · not monthly revenue
Marketplace range $25.0M – $43.0M · 22× MRR multiple
💸
~189× 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 |
| 📅 12.8y proven track record | +20% |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Productivity category multiple | +8% |
| ⭐ Mature user base (100K+ ratings) | +5% |
Final multiple
22× MRR
👥 Estimated audience size
11.0M
Lifetime downloads (US-equivalent)
Monthly active
1.1M
Daily active
515K
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
| 📲 Productivity engagement | ~75 installs / rating |
| 📅 12.8y of rating accumulation | -30% |
| 🔁 Productivity D30 retention | 30% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
45% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 55%
Also possible
React Native
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦 App bundle size | 307 MB |
| 🏷 Category context | Productivity |
| 📦 Large iOS bundle | → Native Swift / UIKit (pre-2020 era) + assets |
💀 Maintenance status
Active
5%
Last shipped 2026-09-14 · 17 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 17 days since last update | Active development |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.5M/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
Direction
Tailwinds: monetization model proven
6 months
$1.5M – $2.0M
12 months
$1.6M – $2.4M
24 months
$1.9M – $3.5M
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 · 68/100BIG TIERSUBSCRIPTIONcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
7.6
Product Quality
7.8
Revenue Strength
6.2
Monetization Maturity
9.5
Defensibility
10.0
Market Position
2.0
Operational Safety
6.0
- 💰 Revenue: Healthy — $600K - $3300K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.67★ across 215,006 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: Moderate — 9% subscription complaints, scam/fraud mentions detected, rating drift -1.39 ★ (recent 50 vs lifetime).
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 For acquirers: Estimated asking range 18-32× monthly = $27.0M-$48.0M.
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 15 of 16 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (215,006 ratings)METRIC | +$12,000 | |
| Paid app ($0.00)METRIC | +$2,800 | |
| subscriptionREVIEW | +$2,500 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Multilingual (10 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| 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 · v7.26.0
PDF Expert is getting a fresh new look and smarter ways to work on iOS 27!
Enjoy a more seamless Liquid Glass experience across the document viewer and navigation.… Full release notes →
Enjoy a more seamless Liquid Glass experience across the document viewer and navigation.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- PDF Expert: Dateien bearbeiten
- Developer
- Readdle Technologies Limited
- Bundle ID
- com.readdle.PDFExpert5
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN, FR, DE, IT, JA, PT, RU, ZH, ES, UK
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $1.5M/mo
- Top-grossing rank
- 🇩🇪#33 /100 🇫🇷#38 /100 🇨🇦#50 /100 🇦🇺#62 /100 🇬🇧#69 /100 🇯🇵#69 /99 🇺🇸#73 /99
- 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
Contacts & Socials data not yet collected for this app.
📈Ratings growth215,852 ratings+48189% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank7 countries
🇩🇪DE#33 /100
🇫🇷FR#38 /100
🇨🇦CA#50 /100
🇦🇺AU#62 /100
🇬🇧GB#69 /100
🇯🇵JP#69 /99
🇺🇸US#73 /99
📊Category Rank Trajectory#33 now · best #33 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter4 releases tracked
🚀Version Release Timeline4 releases tracked
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
Unlock your potential with a fast and easy PDF Expert app with all the features you need in a well-designed and intuitive user interface.
BEST FOR iPHONE, iPAD, MAC & VISION PRO
Read PDF files easily, highlight and annotate PDFs, fill out forms, convert any file to PDF, merge several files into one, add notes, summarize and navigate PDF documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium features and work across all your Apple devices, effortlessly letting you complete any PDF task on the go.… View full description on the official store →
BEST FOR iPHONE, iPAD, MAC & VISION PRO
Read PDF files easily, highlight and annotate PDFs, fill out forms, convert any file to PDF, merge several files into one, add notes, summarize and navigate PDF documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium features and work across all your Apple devices, effortlessly letting you complete any PDF task on the go.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 307 MB🔞 4+📱 iOS 16.0+🔖 v7.26.0🔄 updated 2w ago🌐 EN, FR, DE, IT, JA +5📂 Productivity💰 Paid🚀 Launched 2013 (12y old)
📅
What Worked™ · Development Pipeline
17 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 →
2026-09
🔧
Shipped update — v7.25.11 → v7.26.0
→ 30 days after: reviews +91 medium · co-occurring
2026-08
🔧
Shipped update — v7.25.8 → v7.25.11
→ 30 days after: reviews +183 high confidence
2026-07
🔧
Shipped update — v7.25.5 → v7.25.8
→ 30 days after: revenue +$22.4K/mo · reviews +419 high confidence
2026-05
🔄
Monetization changed: paid → free
→ 30 days after: reviews +468 high confidence
2026-03
⭐
Rating ↑ 2.71 → 4.50 (improved 1.79★)
→ 30 days after: revenue +$2.7K/mo · rating +1.79★ · reviews +213,331 medium · co-occurring
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$2.7K/mo · rating +1.79★ · reviews +213,331 medium · co-occurring
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$2.7K/mo · rating +1.79★ · reviews +213,332 medium · co-occurring
2024-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.17★ · reviews +32 high confidence
2024-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.08★ · reviews +56 high confidence
2024-03
⭐
Rating ↑ 2.63 → 3.28 (improved 0.65★)
→ 30 days after: rating +0.05★ · reviews +23 high confidence
2024-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.05★ · reviews +23 high confidence
2024-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.70★ · reviews +60 high confidence
2024-02
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.65★ · reviews +37 high confidence
2024-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
2024-02
⭐
Rating ↑ 1.67 → 2.50 (improved 0.83★)
2024-02
⭐
Rating ↓ 3.00 → 2.00 (dropped 1.00★)
2024-02
🚀
First tracked snapshot — initial data captured
🔎
ASO Keyword Positions
BEST RANK #5Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
pdf reader·#5🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🗣
Voice of Customer
Based on 150 reviews across 3 markets● 43% positive · ● 41% neutral · ● 16% negative · Rating drift: -1.39★ (declining — recent 50: 3.28★ vs lifetime: 4.67★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇮🇳 IN
+0.32
🇺🇸 US
+0.26
🇯🇵 JP
-0.01
Top praise themes
free version ×3 add ×10 thank ×9 please ×8 one ×8 feature ×8 better ×8 ipad ×7
Top complaint themes
subscription model ×3 recent update ×3 one purchase ×3 free trial ×3 issues resolved ×3 unable annotate ×3 now ×11 paid ×11
Risk signals
Refund mentions: 1.3% Subscription complaints: 9% Bug mentions: 4% Fraud / scam mentions: 0.7%
🧪
Tech & Domain Intel — pdfexpert.com
- Mail provider
- Google Workspace
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.60724★ | 17,545 | 4.60724★ this version |
| 🇧🇷 BR | 4.70563★ | 12,141 | 4.70563★ this version |
| 🇨🇦 CA | 4.56599★ | 24,458 | 4.56599★ this version |
| 🇩🇪 DE | 4.49887★ | 63,836 | 4.49887★ this version |
| 🇫🇷 FR | 4.51179★ | 18,455 | 4.51179★ this version |
| 🇬🇧 GB | 4.56743★ | 22,704 | 4.56743★ this version |
| 🇮🇳 IN | 4.53956★ | 17,327 | 4.53956★ this version |
| 🇯🇵 JP | 4.51656★ | 43,714 | 4.51656★ this version |
| 🇺🇸 US | 4.67363★ | 215,990 | 4.67363★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for PDF Expert: Dateien bearbeiten: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Readdle Technologies Limited
View all →📦 Portfolio summaryBIG studio
6apps·$8.9M/mocombined
✓ Diversified — top app contributes 17%; risk spread across portfolio
About this analysis
Why high confidence: 215,006 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does PDF Expert make per month?▴
Based on our ML-calibrated revenue forecast, PDF Expert earns approximately $1.5M/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.
Is PDF Expert profitable?▴
With estimated build cost $175K and monthly revenue $1.5M, PDF Expert looks highly profitable — pays back its build investment in under a month at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does PDF Expert have?▴
Estimated audience: ~11.0M lifetime downloads, ~1.1M monthly active users, and ~515K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like PDF Expert?▴
Browse the full Productivity 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.
What is PDF Expert built with?▴
Our heuristic places PDF Expert on the Native iOS (Swift / UIKit) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is PDF Expert still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 17 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would PDF Expert sell for?▴
Estimated acquisition value: $33.0M (marketplace range $25.0M – $43.0M). Calculated as 22× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was PDF Expert last updated?▴
PDF Expert last shipped a new version on 2026-09-14 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes PDF Expert?▴
PDF Expert is published by Readdle Technologies Limited 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 PDF Expert's BU Score?▴
PDF Expert has a BU Score of 83/100 (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.