Lylli: Tausende Kinderbücher
46
Quality Score
Emerging
Lylli: Tausende Kinderbücher
by Lylli Books AB
Low confidence
✍️ Bumetric analysis
“
Lylli: Tausende Kinderbücher is an iOS app from Lylli Books AB in the Food & Drink category, currently rated 3.7★ across 6 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 46: Emerging (early traction worth watching). For a Food & Drink app, that means early traction worth watching. 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
$4.6K
per month
→
12-mo forecast
$4.0K – $14.6K
per month
→
24-mo forecast
$3.8K – $33.8K
per month
INDIE tierFREE
💡 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
40 snapshots on record
Rating
3.7
Reviews
6 reviews
Forecast Revenue / mo
$4.6K
Snapshots tracked
40
since May 2020
ONE-TIME · BUILD
💰 Estimated build cost
$125K
↳ What it cost to build · not monthly revenue
Likely range $95K – $170K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.2y 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 (61 MB) | +$4K |
| ⚙ Food & Drink complexity ×1.10 | +$5K |
| ⚙ 11.0y maintenance × ~1-person team | +$66K |
Total estimate
$125K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $100K · 15× MRR multiple
💸
~0.6× build cost (under-water)
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 |
| 📅 11.0y proven track record | +20% |
| ⭐ ★ rating 3.5-4.0 (mixed) | -8% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
15× MRR
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 70%
Also possible
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 | 61 MB |
| 🏷 Category context | Food & Drink |
| 📦 Small-mid iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Slowing
25%
Last shipped 2026-08-17 · 43 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
| 📅 43 days since last update | Healthy release cadence |
| 👥 Small user base (6 ratings) + 11.0y old | +10% (solo-project pattern) |
Verdict
Slowing
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$4.6K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$3.9K – $9.2K
12 months
$4.0K – $14.6K
24 months
$3.8K – $33.8K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Early-stage solo · 40/100INDIE TIERFREE (NO MONETIZATION)expected for tierGrowth Velocity
5.0
Founder Strength
4.1
Product Quality
2.4
Revenue Strength
3.7
Monetization Maturity
0.5
Defensibility
4.5
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $1K - $11K/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.67★ across 6 reviews — weak — significant quality concerns.
- 📍 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 = $83K-$148K.
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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Pre-traction phase (6 ratings)METRIC | −$300 |
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 · v5.51.0
Lots of new content, language enhancements, and app refinements. Happy reading!
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Lylli: Tausende Kinderbücher
- Developer
- Lylli Books AB
- Bundle ID
- com.boksnok.Boksnok
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- EN, DE, ES, SV
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
- $4.6K/mo
- Top-grossing rank
- 🇩🇪#40 /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
Contacts & Socials data not yet collected for this app.
📈Ratings growth10 ratings+900% lifetimeShow 3-year history estimate ▾
Tracked (40 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇩🇪
DE
Top-grossing rank: #40 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#40 now · best #40 · worst #48
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter7 releases tracked
🚀Version Release Timeline7 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
KIDS BOOKS, AUDIOBOOKS & BEDTIME STORIES
Lylli is the reading app for children aged 2-9. Thousands of kids books, audiobooks, and read-aloud stories designed for bedtime, calm screen time, and everyday reading. A calmer alternative to video. Screen time parents feel good about.
THREE WAYS TO ENJOY STORIES
Read Along
Stories read aloud while kids follow the highlighted words. Perfect for early readers.
Read Together
Share kids books on one screen for bedtime stories and family reading time.
Audiobooks
Listen during car rides, travel, or quiet time. Works offline.… View full description on the official store →
Lylli is the reading app for children aged 2-9. Thousands of kids books, audiobooks, and read-aloud stories designed for bedtime, calm screen time, and everyday reading. A calmer alternative to video. Screen time parents feel good about.
THREE WAYS TO ENJOY STORIES
Read Along
Stories read aloud while kids follow the highlighted words. Perfect for early readers.
Read Together
Share kids books on one screen for bedtime stories and family reading time.
Audiobooks
Listen during car rides, travel, or quiet time. Works offline.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 61 MB🔞 4+📱 iOS 13.0+🔖 v5.51.0🔄 updated 1mo ago🌐 EN, DE, ES, SV📂 Food & Drink💰 Paid🚀 Launched 2015 (11y old)
📅
What Worked™ · Development Pipeline
15 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
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-08
🔧
Shipped update — v5.50.0 → v5.51.0
2026-07
🔧
Shipped update — v5.49.0 → v5.50.0
2026-06
🔧
Shipped update — v5.47.0 → v5.49.0
→ 30 days after: rating +0.25★ medium · co-occurring
2026-06
🔧
Shipped update — v5.46.0 → v5.47.0
→ 30 days after: rating +0.25★ medium · co-occurring
2026-06
🔧
Shipped update — v5.45.0 → v5.46.0
→ 30 days after: rating +0.25★ medium · co-occurring
2026-05
🔧
Shipped update — v5.43.0 → v5.45.0
→ 30 days after: rating +0.19★ medium · co-occurring
2026-05
🔄
Monetization changed: paid → free
→ 30 days after: rating +0.19★ medium · co-occurring
2026-05
⭐
Rating ↓ 4.40 → 3.67 (dropped 0.73★)
→ 30 days after: rating +0.19★ medium · co-occurring
2026-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-03
⭐
Rating ↑ 3.40 → 4.40 (improved 1.00★)
2024-04
⭐
Rating ↓ 4.00 → 3.50 (dropped 0.50★)
2022-12
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
2020-11
⭐
Rating ↑ 3.00 → 3.50 (improved 0.50★)
2020-05
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 49 reviews across 2 markets● 6% positive · ● 27% neutral · ● 67% negative · Rating drift: -0.26★ (declining — recent 50: 3.41★ vs lifetime: 3.67★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇺🇸 US
-0.01
🇩🇪 DE
-0.51
Top praise themes
für die ×4 vorlesen lassen ×4 wir haben ×4 ich bin ×3 begeistert von ×3 büchern für ×3 die ist ×3 die kinder ×3
Top complaint themes
change language ×3 und die ×3 nicht ×9 wieder ×6 aber ×4 ich ×4 nur ×4 immer ×3
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 5★ | 4 | 5★ this version |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇨🇦 CA | 5★ | 3 | 5★ this version |
| 🇩🇪 DE | 4.50581★ | 344 | 4.50581★ this version |
| 🇫🇷 FR | 0★ | 0 | — |
| 🇬🇧 GB | 4★ | 4 | 4★ this version |
| 🇮🇳 IN | 5★ | 2 | 5★ this version |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇺🇸 US | 4.18182★ | 11 | 4.18182★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
About this analysis
Why low confidence: only 6 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
Lylli: Tausende Kinderbücher is a early-stage iOS app in the food & drink space with weak public traction — only 6 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
7 answers · auto-generated from this app's public dataHow much does Lylli make per month?▴
Low-confidence model estimate. Lylli has only 6 App Store ratings, so our revenue model has very little signal to work with — treat the ~$4.6K/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like Lylli?▴
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.
What is Lylli built with?▴
Our heuristic places Lylli on the Native iOS (Swift / UIKit) stack (Medium confidence, 70%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Lylli still actively maintained?▴
Maintenance status: Slowing (25% abandonment risk). Last shipped version was 1 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Lylli last updated?▴
Lylli last shipped a new version on 2026-08-17 — 1 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Lylli?▴
Lylli is published by Lylli Books AB 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 Lylli's BU Score?▴
Lylli has a BU Score of 46/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.