Railmap for Open Railway Map

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Railmap for Open Railway Map
Railmap for Open Railway Map is an iOS app from Florian Chrometz in the News category, currently rated 4.7★ across 715 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 62: Solid (established niche player). For a News 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.
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
📊 Performance Tracking LIVE
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.
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| ⚙ News complexity ×1.20 | +$10K |
| ⚙ 8.1y maintenance × ~1-person team | +$48K |
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.
| 📺 Ad-supported base | 15× MRR |
| 📅 8.1y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 News category multiple | -5% |
| ⭐ Small user base (<1K ratings) | -8% |
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.
| 📲 News engagement | ~120 installs / rating |
| 📅 8.1y of rating accumulation | -30% |
| 🔁 News D30 retention | 15% |
| 📍 DAU / MAU stickiness | 0.45 |
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.
| 📦 App bundle size | 5 MB |
| 🏷 Category context | News |
| 📦 Compact iOS bundle | → Native Swift / UIKit (pre-2020 era) |
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.
| 📅 2y+ since last update | Likely abandoned |
How we forecast this revenue
MEDIUM CONFIDENCEBU Investment Matrix
Below median · 41/100MID TIERunderperforming peers- 💰 Revenue: Modest — $4K - $10K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.74★ across 715 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1077d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1077d since update).
💰 Forecast Revenue / mo
MODEL| Paid app ($2.99)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Early-stage install base (715 ratings)METRIC | +$400 | |
| Single-language (English only)METRIC | −$400 |
📈 Reviews Growth
LIVE⭐ Rating Trend
LIVE🆕 What's New · v1.2.2
Profile & Insights
Identification
- App name
- Railmap for Open Railway Map
- Developer
- Florian Chrometz
- Bundle ID
- me.chrometz.railmap
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN
Company
- Website
- florian-chrometz.de
- Tagline
- Florian Chrometz
- Description
- Florian Chrometz is a GCP Solution Architect by day and developer by night, building apps with Google Cloud, Firebase, Swift, and JavaScript.
- 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
- $7.0K/mo
- Top-grossing rank
- Outside top 100 in US News
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- linkedin.com/in/florian-chrometz
- GitHub
- github.com/florianchrometz
- X followers
- Not found
- Public statements
- Not found
Funding
Press & Links
Contacts & Socials
📈Ratings growth712 ratings+71100% lifetimeShow 3-year history estimate ▾
📝 About this app
Explore three different rail map layers:
STANDARD
Explore the global network of train tracks.
SPEED
Get a feeling about how fast you can go on which train tracks.
SIGNALS
See detailed information about signs and signals on train tracks.
Railmaps also caches places you've seen on your device so they'll load even faster if you want to see the again.
What Worked™ · Development Pipeline
8 EVENTS TRACKEDTech & Domain Intel — florian-chrometz.de
- Tech stack
- Google Workspace
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.77273★ | 22 | 4.77273★ this version |
| 🇧🇷 BR | 4.71429★ | 7 | 4.71429★ this version |
| 🇨🇦 CA | 4.69766★ | 43 | 4.69766★ this version |
| 🇩🇪 DE | 4.64964★ | 1,370 | 4.64964★ this version |
| 🇫🇷 FR | 4.87234★ | 47 | 4.87234★ this version |
| 🇬🇧 GB | 4.7057★ | 316 | 4.7057★ this version |
| 🇮🇳 IN | 4.84615★ | 13 | 4.84615★ this version |
| 🇯🇵 JP | 4.64286★ | 14 | 4.64286★ this version |
| 🇺🇸 US | 4.73986★ | 715 | 4.73986★ this version |
Track this app’s revenue
FREE📝 Description
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Why medium confidence: 715 ratings · no founder-verified revenue (model estimate only).
