Tube Exits by Station Master
15
Quality Score
Niche
✍️ Bumetric analysis
“
Tube Exits by Station Master is an iOS app from Frostmd LLP in the Travel category, currently rated 1.0★ across 1 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 15: Niche (micro-niche or pre-traction stage). For a Travel app, that means micro-niche or pre-traction stage. 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID 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
6 snapshots on record
Rating
1.0
Reviews
1 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
6
since Mar 2026
ONE-TIME · BUILD
💰 Estimated build cost
$140K
↳ What it cost to build · not monthly revenue
Likely range $105K – $190K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.3y 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 |
| ⚙ Travel complexity ×1.30 | +$15K |
| ⚙ 12.3y maintenance × ~1-person team | +$73K |
Total estimate
$140K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $100K · 14× MRR multiple
💸
~0.5× 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 |
| 📅 12.3y proven track record | +20% |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
14× MRR
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
High confidence · 80%
Also possible
Native iOS (SwiftUI)
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 | 11 MB |
| 🏷 Category context | Travel |
| 📦 Compact iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
95%
Last shipped 2023-01-08 · 1356 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
| 📅 3y+ since last update | Likely abandoned |
| 👥 Small user base (1 ratings) + 12.3y old | +10% (solo-project pattern) |
| • 12y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Stalled · 37/100MID TIERno growth momentumGrowth Velocity
5.0
Founder Strength
6.2
Product Quality
0.8
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 1.0★ across 1 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1352d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (1352d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K. Portfolio play ($31K/mo combined) commands premium.
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 5 of 5 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 | |
| Below-average rating (1.0★)METRIC | −$1,500 | |
| Mature app (12y old)METRIC | +$1,500 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (1 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 · v1.14.3
• Elizabeth Line exits
• many fixes and performance improvements behind the scenes
• many fixes and performance improvements behind the scenes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Tube Exits by Station Master
- Developer
- Frostmd LLP
- Bundle ID
- net.frost.ios.app.Exit-the-Tube
- App Store URL
- Open in App Store
- Category
- Travel
- Content rating
- 4+
- Languages
- EN
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
- $5.0K/mo
- Top-grossing rank
- Outside top 100 in US Travel
- 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.
🌍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.
💰Pricing History$0.00 → $5.99 (+0%)
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
Co-created by Geoff Marshall, a two-times Guinness World Record Holder for travelling to all Tube stations in the fastest time possible (a record he held most recently from 2013–2015). http://www.tubeworldrecord.co.uk/
Tube Exits (previously Exit the Tube) contains details of the best door position to be nearest the exit at every station on the London Underground, original 84 Overground (pre-June 2015) stations and Docklands Light Railway. It also shows you the interchange corridors, passageways and lifts.… View full description on the official store →
Tube Exits (previously Exit the Tube) contains details of the best door position to be nearest the exit at every station on the London Underground, original 84 Overground (pre-June 2015) stations and Docklands Light Railway. It also shows you the interchange corridors, passageways and lifts.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 11 MB🔞 4+📱 iOS 9.0+🔖 v1.14.3🔄 updated 3y ago🌐 EN📂 Travel💰 Paid🚀 Launched 2014 (12y old)
📅
What Worked™ · Development Pipeline
3 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
⭐
Rating ↓ 2.90 → 1.00 (dropped 1.90★)
2026-05
💲
Went paid — introduced $5.99 price point
2026-03
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 0★ | 0 | — |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇨🇦 CA | 0★ | 0 | — |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 0★ | 0 | — |
| 🇬🇧 GB | 2.93333★ | 15 | 2.93333★ this version |
| 🇮🇳 IN | 0★ | 0 | — |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇺🇸 US | 1★ | 1 | 1★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
More by Frostmd LLP
View all →📦 Portfolio summaryINDIE studio
5apps·$25K/mocombined
✓ Diversified — top app contributes 20%; risk spread across portfolio
About this analysis
Why low confidence: only 1 rating · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
Tube Exits by Station Master is a very early-stage iOS app in the travel space with weak public traction — only 1 rating, 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 Tube Exits by Station Master make per month?▴
Low-confidence model estimate. Tube Exits by Station Master has only 1 App Store rating, so our revenue model has very little signal to work with — treat the ~$5.0K/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 Tube Exits by Station Master?▴
Browse the full Travel 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 Tube Exits by Station Master built with?▴
Our heuristic places Tube Exits by Station Master on the Native iOS (Swift / UIKit) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Native iOS (SwiftUI).
Is Tube Exits by Station Master still actively maintained?▴
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 3+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Tube Exits by Station Master last updated?▴
Tube Exits by Station Master last shipped a new version on 2023-01-08 — more than 3 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Tube Exits by Station Master?▴
Tube Exits by Station Master is published by Frostmd LLP 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 Tube Exits by Station Master's BU Score?▴
Tube Exits by Station Master has a BU Score of 15/100 (Niche). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.