Bookie - Відстеження читання
52
Quality Score
Solid
Bookie - Відстеження читання
Medium confidence
✍️ bumetric analysis
“
Bookie - Відстеження читання is an iOS app from Jakub Milcarz in the Food & Drink category, currently rated 4.2★ across 106 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 52: Solid (established niche player). For a Food & Drink app, that means established niche player. 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.
📊 Performance Tracking LIVE
Loading…
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:
| Multilingual (10 languages)METRIC | +$1,500 | |
| Good rating (4.2★)METRIC | +$800 | |
| Established app (3y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (106 ratings)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.
🆕 What's New · v2026.2.0
Welcome to the Spring 2026 update! This season, we are heavily focused on polishing your favorite reading tracker and delivering a stronger, more seamless experience across the entire app.
Here is what’s new in Bookie: Book Tracker:
1.… Full release notes →
Here is what’s new in Bookie: Book Tracker:
1.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Bookie - Відстеження читання
- Developer
- Jakub Milcarz
- Bundle ID
- com.kubamilcarz.Read-Us
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- EN, FR, DE, IT, JA, PL, PT, ZH, ES, UK
Company
- Website
- Not found
- 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
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.
⭐Recent App Store Reviews19 latest · avg 2.58★ · 26.3% 5★ · 36.8% 1★
5★5 (26%)
4★0 (0%)
3★3 (16%)
2★4 (21%)
1★7 (37%)
+9 ratings/week
Praise: love ×1 recommend ×1Complaints: crash ×2 subscription ×2 bug ×1
Top positive
★★★★★ 打开图式时闪退
Mac15.1.1系统，打开图书时闪退…
★★★★★ 挺不错的软件
好用…
Top negative
★☆☆☆☆ Overall use
I bought the lifetime membership to unlock all features. Was really hard to use, especially getting books in certain folders and even harder to undo books I added. Wrote for help and never heard back. Not worth $50.…
★☆☆☆☆ Will not import
Not good…
📈Ratings growth106 ratings+342% lifetimeShow 3-year history estimate ▾
Tracked (16 weeks) Pre-tracking estimate (36 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.
📝 About this app
Bookie: Book Tracker is your ultimate reading companion, a powerful book tracker, reading journal, and digital bookshelf. Experience a world-class app where accountability meets stunning, next-generation design. Whether you're planning your next reading challenge or capturing insights from your latest novel, Bookie: Book Tracker makes it effortless to stay organized and inspired.
The Next Evolution of Design: Liquid Glass & Themes
Stop settling for plain interfaces. Bookie: Book Tracker introduces two revolutionary features that transform your digital bookshelf:… View full description on the official store →
The Next Evolution of Design: Liquid Glass & Themes
Stop settling for plain interfaces. Bookie: Book Tracker introduces two revolutionary features that transform your digital bookshelf:… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 208 MB🔞 4+📱 iOS 17.0+🔖 v2026.2.0🔄 updated 0d ago🌐 EN, FR, DE, IT, JA +5📂 Food & Drink💰 Paid
📅
What Worked™ · Development Pipeline
7 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 →
2026-03
⭐
Rating ↑ 2.60 → 4.00 (improved 1.40★)
2024-11
📈
Crossed 10 ratings — social-proof flywheel kicking in
2024-11
⭐
Rating ↓ 3.80 → 3.33 (dropped 0.47★)
2024-11
⭐
Rating ↑ 3.00 → 3.50 (improved 0.50★)
2024-11
⭐
Rating ↑ 2.00 → 3.00 (improved 1.00★)
2024-10
⭐
Rating ↓ 3.00 → 2.00 (dropped 1.00★)
2024-09
🚀
First tracked snapshot — initial data captured
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
ONE-TIME · BUILD
💰 Estimated build cost
$100K
↳ What it cost to build · not monthly revenue
Likely range $75K – $135K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Slow ROI — current MRR is well below build cost
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 (208 MB) | +$40K |
| ⚙ Food & Drink complexity ×1.10 | +$9K |
Total estimate
$100K
👥 Estimated audience size
10K
Lifetime downloads (US-equivalent)
Monthly active
1.4K
Daily active
280
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
| 📲 Food & Drink engagement | ~100 installs / rating |
| 🔁 Food & Drink D30 retention | 14% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Bookie - Відстеження читання: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 106 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Bookie - Відстеження читання make per month?▴
Based on our ML-calibrated revenue forecast, Bookie - Відстеження читання earns approximately $86/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 Bookie - Відстеження читання?▴
Browse the full Food & Drink 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 Bookie - Відстеження читання?▴
Bookie - Відстеження читання is published by Jakub Milcarz 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 Bookie - Відстеження читання's BU Score?▴
Bookie - Відстеження читання has a BU Score of 52/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.