Extra Karte
66
Quality Score
Solid
Extra Karte
by Novum Bank Limited
Low confidence
✍️ Bumetric analysis
“
Extra Karte is an iOS app from Novum Bank Limited in the Finance category, currently rated 4.9★ across 32 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 66: Solid (established niche player). For a Finance 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
$200
per month
→
12-mo forecast
$100 – $931
per month
→
24-mo forecast
$100 – $2790
per month
MICRO 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
4.9
Reviews
32 reviews
Forecast Revenue / mo
$200
Snapshots tracked
6
since Mar 2026
ONE-TIME · BUILD
💰 Estimated build cost
$130K
↳ What it cost to build · not monthly revenue
Likely range $100K – $175K
$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 (87 MB) | +$14K |
| ⚙ Finance complexity ×1.60 | +$39K |
| ⚙ 4.1y maintenance × ~1-person team | +$24K |
Total estimate
$130K
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
Medium confidence · 60%
Also possible
React Native
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 | 87 MB |
| 🏷 Category context | Finance |
| 📦 Mid-large iOS bundle | → Likely native SwiftUI (post-2020 era) |
💀 Maintenance status
Active
15%
Last shipped 2026-09-16 · 16 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
| 📅 16 days since last update | Active development |
| 👥 Small user base (32 ratings) + 4.1y old | +10% (solo-project pattern) |
Verdict
Active
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$200/mo · ML-estimated from 234 triggers
Growth rate
+8.0% MoM · MICRO tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition, low defensibility moat
6 months
$127 – $508
12 months
$100 – $931
24 months
$100 – $2.8K
Compound growth at +8.0% MoM (tier baseline for MICRO). Range widens with horizon — typical noise band ±60% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Insufficient data · 39/100MICRO TIERtoo early to scoreGrowth Velocity
5.0
Founder Strength
5.2
Product Quality
3.9
Revenue Strength
2.3
Monetization Maturity
1.0
Defensibility
3.0
Market Position
0.9
Operational Safety
10.0
- 💰 Revenue: Marginal — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 4.88★ across 32 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 = $3K-$6K. Portfolio play ($15K/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 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.9★)METRIC | +$2,200 | |
| securityREVIEW | +$1,800 | |
| support teamREVIEW | +$900 | |
| Established app (4y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (32 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 · v10.0.0
• A fresh new design – Enjoy a more intuitive app experience
• Permanent card block – Block your card permanently directly from the app
• New Extras tab – More to discover, all in one place
• General improvements – Performance and usability enhancements for a better experience
• Permanent card block – Block your card permanently directly from the app
• New Extras tab – More to discover, all in one place
• General improvements – Performance and usability enhancements for a better experience
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Extra Karte
- Developer
- Novum Bank Limited
- Bundle ID
- com.novum-bank.extra-karte
- App Store URL
- Open in App Store
- Category
- Finance
- Content rating
- 17+
- Languages
- EN, 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
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $200/mo
- Top-grossing rank
- Outside top 100 in US Finance
- 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.
🚀Update Frequency · Releases per Quarter4 releases tracked
🚀Version Release Timeline4 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
Experience full control over your Extra Karte credit card directly in our app! Just log in with your credit card account credentials and manage your Extra Karte anytime and anywhere with ease.
With the Extra Karte App, you can:
• Instantly view your card details
• Safely confirm online payments
• See all transactions at a glance
• Check and pay invoices
Don’t have an Extra Karte yet? No problem! Apply for your Extra Karte credit card in just a few simple steps in the app.
The benefits of our Extra Karte:
• 0 € Card and annual fees
• Flexibility with installment options… View full description on the official store →
With the Extra Karte App, you can:
• Instantly view your card details
• Safely confirm online payments
• See all transactions at a glance
• Check and pay invoices
Don’t have an Extra Karte yet? No problem! Apply for your Extra Karte credit card in just a few simple steps in the app.
The benefits of our Extra Karte:
• 0 € Card and annual fees
• Flexibility with installment options… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 87 MB🔞 17+📱 iOS 16.0+🔖 v10.0.0🔄 updated 2w ago🌐 EN, DE📂 Finance💰 Paid🚀 Launched 2022 (4y old)
📅
What Worked™ · Development Pipeline
5 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
🔧
Shipped update — v9.0.0 → v10.0.0
2026-07
🔧
Shipped update — v8.1.1 → v9.0.0
→ 30 days after: revenue +$15.5K/mo high confidence
2026-06
🔧
Shipped update — v8.0.6 → v8.1.1
→ 30 days after: revenue +$15.5K/mo medium · co-occurring
2026-05
🔄
Monetization changed: freemium → free
2026-03
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 3 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇩🇪 DE | 4.83603★ | 10,795 | 4.83603★ this version |
| 🇬🇧 GB | 4.85714★ | 14 | 4.85714★ this version |
| 🇺🇸 US | 4.88235★ | 34 | 4.88235★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
About this analysis
Why low confidence: only 32 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
8 answers · auto-generated from this app's public dataHow much does Extra Karte make per month?▴
Based on our ML-calibrated revenue forecast, Extra Karte earns approximately $200/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 Extra Karte profitable?▴
With estimated build cost $130K and monthly revenue $200, Extra Karte looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
What apps are like Extra Karte?▴
Browse the full Finance 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 Extra Karte built with?▴
Our heuristic places Extra Karte on the Native iOS (SwiftUI) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is Extra Karte still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 16 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Extra Karte last updated?▴
Extra Karte last shipped a new version on 2026-09-16 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Extra Karte?▴
Extra Karte is published by Novum Bank Limited 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 Extra Karte's BU Score?▴
Extra Karte has a BU Score of 66/100 (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.