54
Quality Score
Solid
Weimar+
✍️ bumetric analysis
“
Weimar+ is an iOS app from Klassik Stiftung Weimar in the Education category, currently rated 4.5★ across 85 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 54: Solid (established niche player). For a Education 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.
💰 Revenue · today and ahead
Today
$897/mo
In 12 months
$785 – $2829
In 24 months
$727 – $6544
INDIE 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
💰 Estimated build cost
$150K
Likely range $110K – $200K
$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 (263 MB) | +$40K |
| ⚙Education complexity ×1.20 | +$18K |
| ⚙7.1y maintenance × ~1-person team | +$42K |
Total estimate$150K
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 55%
Also possible
React NativeFlutter
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 | 263 MB |
| 🏷Category context | Education |
| 📦Large iOS bundle | → Native Swift / UIKit (pre-2020 era) + assets |
💀 Maintenance status
Likely abandoned
82%
Last shipped 2025-01-07 · 501 days ago
0 · Active50 · At risk100 · 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
| 📅1y 4mo since last update | Likely deprioritized |
| 👥Small user base (85 ratings) + 7.1y old | +10% (solo-project pattern) |
VerdictLikely abandoned
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$897/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
$764 – $1.8K
12 months
$785 – $2.8K
24 months
$727 – $6.5K
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
Pre-traction · 35/100INDIE TIERlimited signalRevenue Strength
3.0
Product Quality
3.6
Market Position
2.0
Growth Velocity
5.0
Defensibility
3.8
Operational Safety
7.0
Founder Strength
2.9
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $359 - $2244/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.46★ across 85 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 501d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (501d since update).
🎯 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 = $16K-$28K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Good rating (4.5★)METRIC | +$800 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (85 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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 263 MB🔞 4+📱 iOS 14.0+🔖 v2.14.2🔄 updated 1y ago🌐 AR, EN, FR, DE📂 Education💰 Paid🚀 Launched 2019 (7y old)
📝 About this app
Contents:
• Radio play-like audio walks in museums and parks
• Audio guides in the museums
• Interactive map to discover the cultural city of Weimar
• Theme tours in the city and in parks
• Interactive games and AR applications
• Additional materials such as videos and interviews
• More service information
The free Weimar+ app is your multimedia guide through the cultural city of Weimar.… View full description on the official store →
• Radio play-like audio walks in museums and parks
• Audio guides in the museums
• Interactive map to discover the cultural city of Weimar
• Theme tours in the city and in parks
• Interactive games and AR applications
• Additional materials such as videos and interviews
• More service information
The free Weimar+ app is your multimedia guide through the cultural city of Weimar.… View full description on the official store →
🆕 What's New · v2.14.2
Stability and performance improvement
📅
What Worked™ · Development Pipeline
4 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
🔄
Monetization changed: freemium → free
2026-03
⭐
Rating ↑ 1.00 → 4.60 (improved 3.60★)
2026-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2019-04
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.45882★ | 85 | 4.45882★ this version |
| 🇬🇧 GB | 4.60317★ | 63 | 4.60317★ this version |
| 🇩🇪 DE | 4.5751★ | 6,171 | 4.5751★ this version |
| 🇫🇷 FR | 3.95349★ | 43 | 3.95349★ this version |
| 🇯🇵 JP | 4.5★ | 12 | 4.5★ this version |
| 🇨🇦 CA | 5★ | 7 | 5★ this version |
| 🇦🇺 AU | 4.33333★ | 12 | 4.33333★ this version |
| 🇧🇷 BR | 4.71429★ | 7 | 4.71429★ this version |
| 🇮🇳 IN | 5★ | 1 | 5★ this version |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Weimar+
- Developer
- Klassik Stiftung Weimar
- Bundle ID
- de.klassikStiftung.medienguide
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AR, EN, FR, DE
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
- 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 Education
- 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 growth85 ratings+8400% lifetimeShow 3-year history estimate ▾
Tracked (4 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.
Full revenue analysis
Read the article-style breakdown for Weimar+: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.