VOR Tracker - IFR Nav Trainer
63
Quality Score
Solid
VOR Tracker - IFR Nav Trainer
Medium confidence
✍️ bumetric analysis
“
VOR Tracker - IFR Nav Trainer is an iOS app from Karsten Heiland in the News category, currently rated 4.7★ across 133 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 63: 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.
💰 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 tierFREE
💡 Grow this revenue
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- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$135K
↳ What it cost to build · not monthly revenue
Likely range $100K – $180K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~1.7y 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 |
| ⚙News complexity ×1.20 | +$10K |
| ⚙12.3y maintenance × ~1-person team | +$73K |
Total estimate$135K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$125K
↳ What it would sell for · not monthly revenue
Marketplace range $100K – $150K · 18× MRR multiple
💸~0.9× 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 ≥ 4.7 (premium) | +15% |
| 🏷News category multiple | -5% |
| ⭐Small user base (<1K ratings) | -8% |
Final multiple18× MRR
👥 Estimated audience size
11K
Lifetime downloads (US-equivalent)
Monthly active
630
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
| 📲News engagement | ~120 installs / rating |
| 📅12.3y of rating accumulation | -30% |
| 🔁News D30 retention | 15% |
| 📍DAU / MAU stickiness | 0.45 |
DAU / MAU44% sticky
🛠 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 | 46 MB |
| 🏷Category context | News |
| 📦Small-mid iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Active
15%
Last shipped 2026-05-04 · 22 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
| 📅22 days since last update | Active development |
| 👥Small user base (133 ratings) + 12.3y old | +10% (solo-project pattern) |
VerdictActive
🔬
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)
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
Below median · 42/100MID TIERFREE (NO MONETIZATION)underperforming peersRevenue Strength
3.7
Product Quality
6.1
Market Position
2.0
Growth Velocity
5.0
Defensibility
4.5
Operational Safety
6.8
Founder Strength
4.8
Monetization Maturity
0.5
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.73★ across 133 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Moderate — 3.1% refund mentions.
🎯 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 = $90K-$160K.
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 8 of 8 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 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (12y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Early-stage install base (133 ratings)METRIC | +$400 | |
| Single-language (English only)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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 46 MB🔞 4+📱 iOS 15.1+🔖 v2.10.0🔄 updated 3w ago🌐 EN📂 News💰 Paid🚀 Launched 2014 (12y old)
📝 About this app
tl;dr: Simply the best training app for VOR/NDB navigation. Are you not comfortable with flying holding patterns and radial interceptions, especially in stressful situations like a check ride or a sim assessment? You do understand what you have learnt, but find it difficult to apply once the needles start moving? Then look no further, VOR Tracker is what you need.
VOR Tracker is a small but powerful training tool for pilots. It is the only one of its kind for the iPhone & iPad, providing the real aircraft feel the other apps are missing!… View full description on the official store →
VOR Tracker is a small but powerful training tool for pilots. It is the only one of its kind for the iPhone & iPad, providing the real aircraft feel the other apps are missing!… View full description on the official store →
🆕 What's New · v2.10.0
UI improvements: better heading bug display; courses always displayed in correct format now.
Bug fixes: holding pattern courses were sometimes upside-down; close info button in map mode now functional.
Performance improvements.
Bug fixes: holding pattern courses were sometimes upside-down; close info button in map mode now functional.
Performance improvements.
📅
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 ↑ 4.28 → 4.70 (improved 0.42★)
2015-12
📈
Crossed 10 ratings — social-proof flywheel kicking in
2015-11
⭐
Rating ↓ 4.17 → 3.71 (dropped 0.46★)
2015-02
⭐
Rating ↑ 3.67 → 4.00 (improved 0.33★)
2014-11
⭐
Rating ↑ 3.00 → 3.67 (improved 0.67★)
2014-08
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
2014-08
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 96 reviews across 6 markets● 81% positive · ● 8% neutral · ● 10% negative · Rating drift: -0.17★ (declining — recent 50: 4.56★ vs lifetime: 4.73★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇫🇷 FR
+0.78
🇬🇧 GB
+0.66
🇺🇸 US
+0.62
🇩🇪 DE
+0.58
🇧🇷 BR
+0.41
🇨🇦 CA
+0.26
Top praise themes
training tool ×5 highly recommend ×4 having trouble ×3 helpful training ×3 student pilot ×3 instrument rating ×3 practicing holds ×3 sim assessment ×3
Top complaint themes
instrument ×5 money ×4 change ×3 refund ×3
Risk signals
Refund mentions: 3.1%
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.72932★ | 133 | 4.72932★ this version |
| 🇬🇧 GB | 4.69564★ | 23 | 4.69564★ this version |
| 🇩🇪 DE | 4.89286★ | 28 | 4.89286★ this version |
| 🇫🇷 FR | 4.75★ | 28 | 4.75★ this version |
| 🇯🇵 JP | 5★ | 2 | 5★ this version |
| 🇨🇦 CA | 4.88889★ | 9 | 4.88889★ this version |
| 🇦🇺 AU | 4.54545★ | 11 | 4.54545★ this version |
| 🇧🇷 BR | 4.72222★ | 18 | 4.72222★ this version |
| 🇮🇳 IN | 4.2★ | 5 | 4.2★ this version |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- VOR Tracker - IFR Nav Trainer
- Developer
- Karsten Heiland
- Bundle ID
- com.logikwerk.vortracker
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN
Company
- Website
- www.vor-tracker.com
- Tagline
- IFR Procedure Trainer for iOS and Android
- 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
- $6.6K/mo
- Top-grossing rank
- Outside top 100 in US News
- 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
- Socials
- facebook facebook.com/vortracker · youtube youtube.com/channel/UCEZ-ETiBL-TYvjRM…
- Not found
- Phone
- 1525 - 19.07.2020
- Contact page
- vor-tracker.com/contact
- About page
- Not found
⭐Recent App Store Reviews46 latest · avg 4.35★ · 73.9% 5★ · 6.5% 1★
5★34 (74%)
4★4 (9%)
3★1 (2%)
2★4 (9%)
1★3 (7%)
+0 ratings/week
Praise: great ×15 excellent ×7 perfect ×4 recommend ×4 best ×4Complaints: bug ×1 refund ×1
Top positive
★★★★★ Helps to Understand Vor Navigation
This app is fun and easy to use. I used it to prepare for my Part 121 Aircraft Certification (DX exam) that covers HSI…
★★★★★ Helped me a lot and saved me $ in flight training
One feature that would be nice is Holdings for example 1NM from station. That way you don’t have the flip flag for example…
Top negative
★☆☆☆☆ Won't work
App freezes every time I open it, won't respond to any input. Not worth 10 dollars…
★☆☆☆☆ Crap
How do I get my money back?!?!?! This thing is garbage. It's useless and more confusing to use than an actual instrument flight. I want a refund!!…
📈Ratings growth133 ratings+13200% lifetimeShow 3-year history estimate ▾
Tracked (48 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.
📝 Description
95
BU Score · Transcendent
❓ Frequently Asked Questions
Who is the author of The ?
The author is , a prominent figure in the study of occult philosophy and esoteric traditions.
What is the main theme of the book?
The main theme is the esoteric interpretation of the Book of Revelation, focusing on the mystical and symbolic meanings hidden within the text.
Why is this book important for modern esoteric seekers?
This book is important because it bridges ancient wisdom with contemporary spiritual practices, providing valuable insights into the esoteric traditions that have influenced Western spirituality.
Full revenue analysis
Read the article-style breakdown for VOR Tracker - IFR Nav Trainer: 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: 133 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does VOR Tracker - IFR Nav Trainer make per month?▴
Based on our ML-calibrated revenue forecast, VOR Tracker - IFR Nav Trainer earns approximately $6.6K/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.
Is VOR Tracker - IFR Nav Trainer profitable?▴
With estimated build cost $135K and monthly revenue $6.6K, VOR Tracker - IFR Nav Trainer looks break-even-grade — payback period sits around 1.7 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does VOR Tracker - IFR Nav Trainer have?▴
Estimated audience: ~11K lifetime downloads, ~630 monthly active users, and ~280 daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like VOR Tracker - IFR Nav Trainer?▴
Browse the full News 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 VOR Tracker - IFR Nav Trainer built with?▴
Our heuristic places VOR Tracker - IFR Nav Trainer 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 VOR Tracker - IFR Nav Trainer still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 22 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would VOR Tracker - IFR Nav Trainer sell for?▴
Estimated acquisition value: $125K (marketplace range $100K – $150K). Calculated as 18× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was VOR Tracker - IFR Nav Trainer last updated?▴
VOR Tracker - IFR Nav Trainer last shipped a new version on 2026-05-04 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes VOR Tracker - IFR Nav Trainer?▴
VOR Tracker - IFR Nav Trainer is published by Karsten Heiland 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 VOR Tracker - IFR Nav Trainer's BU Score?▴
VOR Tracker - IFR Nav Trainer has a BU Score of 63/100 (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.