57
BU Score
Solid
Polskie Książki
✍️ bumetric analysis
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Polskie Książki is an iOS app from AppTsar in the Food & Drink category, currently rated 4.7★ across 117 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 57: Solid (established niche player). For a Food & Drink app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.7★)METRIC | +$2,200 | |
| Mature app (13y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (117 ratings)METRIC | +$400 | |
| Single-language (English only)METRIC | −$400 |
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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 120 MB🔞 12+📱 iOS 8.2+🔖 v1.3.4🔄 updated 6y ago🌐 PL📂 Food & Drink💰 Paid🚀 Launched 2012 (13y old)
📝 About this app
Teraz z nowa funkcją ***TEXT TO SPEECH *** dla wszystkich, którzy nie mają czasu czytać.
Czytaj i słuchaj 1567 dzieł literatury polskiej, w tym:
253 POWIEŚCI...
• 293 Nowel i opowiadań
• 2 Kroniki Państwowe,
• 34 Pamiętniki,
• 48 Dokumentów,
• 90 Dramatów i komedii,
• 31 Poematów,
• 698 Utworów lirycznych,
• 118 Dzieł Historycznych.
Nowa funkcja Automatycznego lektora pozwala na odsłuchiwanie książek również, kiedy aplikacja znajduje się w tle.
Dostęp do wszystkich książek w aplikacji jest darmowy.
Nie płacisz żadnego abonamentu, nie kupujesz książek!… View full description on the official store →
Czytaj i słuchaj 1567 dzieł literatury polskiej, w tym:
253 POWIEŚCI...
• 293 Nowel i opowiadań
• 2 Kroniki Państwowe,
• 34 Pamiętniki,
• 48 Dokumentów,
• 90 Dramatów i komedii,
• 31 Poematów,
• 698 Utworów lirycznych,
• 118 Dzieł Historycznych.
Nowa funkcja Automatycznego lektora pozwala na odsłuchiwanie książek również, kiedy aplikacja znajduje się w tle.
Dostęp do wszystkich książek w aplikacji jest darmowy.
Nie płacisz żadnego abonamentu, nie kupujesz książek!… View full description on the official store →
🆕 What's New · v1.3.4
Naprawia położenie statusbar w przypadku iPad Air dla iOS13.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Polskie Książki
- Developer
- AppTsar
- Bundle ID
- com.apptsar.polskieksiazki
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 12+
- Languages
- PL
Company
- Website
- ksiazki.apptsar.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $86/mo
- Top-grossing rank
- Outside top 100 in US Food & Drink
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- 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
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
⭐Recent App Store Reviews5 latest · avg 5.0★ · 100.0% 5★ · 0% 1★
5★5 (100%)
4★0 (0%)
3★0 (0%)
2★0 (0%)
1★0 (0%)
+0 ratings/week
Praise: best ×1 great ×1
Top positive
★★★★★ Best App Ever!
This is the best app ever created!!! It is comprehensive, easy-to-use, has a beautiful layout, lots of books... Simply the best!
10 stars!!! MUST GET!!!…
★★★★★ APLIKACJA Nr. 1
Dzieki wielkie za niesamowity ksiegozbior. POLECAM!!!…
Top negative
★★★★★ Super aplikacja
Coś wspaniałego dla każdego kto kocha książki i polska literaturę.Bardzo polecam!…
★★★★★ Pradziwa skarbnica!!!
Coś wspaniałego!! Warto!!!…
📈Ratings growth117 ratings+11600% lifetimeShow 3-year history estimate ▾
Tracked (7 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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.
More by AppTsar
View all →
Full revenue analysis
Read the article-style breakdown for Polskie Książki: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.