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Duo Fold Counter

Duo Fold Counter
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Quality Score
Niche

Duo Fold Counter

by Julian Christopher Siebert
Low confidence
— App Store rating
✍️ Bumetric analysis
“

Duo Fold Counter is an iOS app from Julian Christopher Siebert in the Business category, currently rated — across few ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.

Quality Score is 0: Niche (micro-niche or pre-traction stage). For a Business 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
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
per month
INDIE tier
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📊 Performance Tracking LIVE

1 snapshots on record
idle
0%
Rating
—
Reviews
0 reviews
Forecast Revenue / mo
—
Snapshots tracked
1
since Nov 2026
ONE-TIME · BUILD 💰 Estimated build cost
$75K
↳ What it cost to build · not monthly revenue
Likely range $55K – $100K
$25K · MVP floor $100K · indie scale $500K+ · studio build

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
⚙ Business complexity ×1.50 +$25K
Total estimate $75K
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
High confidence · 80%
Also possible
Native iOS (Swift / UIKit)

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 2 MB
🏷 Category context Business
📦 Compact iOS bundle → Native SwiftUI (post-2020 era)
💀 Maintenance status
Active
5%
Last shipped 2026-10-31 · 9 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
📅 9 days since last update Active development
Verdict Active
🔬

How we forecast this revenue

LOW CONFIDENCE
Baseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition, low defensibility moat
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
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 · 32/100INDIE TIERlimited signal
RevenueQualityMarketGrowthMoatSafetyFounderMonetiz.
Revenue Strength
2.7
Product Quality
0.0
Market Position
2.0
Growth Velocity
5.0
Defensibility
2.0
Operational Safety
10.0
Founder Strength
3.0
Monetization Maturity
1.0
  • 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
  • ⭐ Quality: None★ across 0 reviews — weak — significant quality concerns.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: dev shipping weekly.
  • ⚠️ 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 = $9K-$16K.
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

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🆕 What's New · v1.2.1

Improvements
• Opening the app from the widget no longer adds an extra fold.
• Widgets now stay up to date, also after the app counted in the background.… Full release notes →

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Duo Fold Counter
Developer
Julian Christopher Siebert
Bundle ID
com.christophersiebert.duofolds
App Store URL
Open in App Store
Category
Business
Content rating
4+
Languages
EN, DE

Company

Website
Not found
Tagline
Not found
Description
Not found
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Reported revenue signal / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
Model estimate / mo
Not found
Top-grossing rank
Outside top 100 in US Business
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.
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

How often do you really fold your phone? Duo Fold Counter counts every fold and unfold of your foldable iPhone, turns it into clear statistics and shows you how much of your hinge's estimated life you've already used.

COUNTS LIVE, CATCHES UP LATER
While the app is open, it reads the system hinge sensor and counts every fold and unfold in real time. Folded it while the app was closed? When you come back, Duo Fold Counter notices the change and records it as an "inferred" fold, so your history stays complete. You can also log folds manually at any time.

OPTIONAL: COUNT WITH SHORTCUTS… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
💾 2 MB🔞 4+📱 iOS 27.1+🔖 v1.2.1🔄 updated 1w ago🌐 EN, DE📂 Business💰 Free🚀 Launched 2026 (0y old)
🌍

Multi-Country Performance

Available in 9 of 9 monitored markets
MarketRatingReviewsCurrent version
🇺🇸 US2.125★82.125★ this version
🇬🇧 GB0★0—
🇩🇪 DE5★45★ this version
🇫🇷 FR3★13★ this version
🇯🇵 JP0★0—
🇨🇦 CA0★0—
🇦🇺 AU1★11★ this version
🇧🇷 BR0★0—
🇮🇳 IN0★0—
🔔

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📝 Description

95
BU Score · Transcendent

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About this analysis
ZCAnalyzed by Zakhar Chumak · founder, Bumetric·Full methodology·Low confidence

Why low confidence: only 0 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.

📌 Final verdict — read this before you trust the numbers above

Duo Fold Counter is a very early-stage iOS app in the business space with weak public traction — only 0 ratings, 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

5 answers · auto-generated from this app's public data
What apps are like Duo Fold Counter?▴
Browse the full Business 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 Duo Fold Counter built with?▴
Our heuristic places Duo Fold Counter on the Native iOS (SwiftUI) 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 (Swift / UIKit).
Is Duo Fold Counter still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 9 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Duo Fold Counter last updated?▴
Duo Fold Counter last shipped a new version on 2026-10-31 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Duo Fold Counter?▴
Duo Fold Counter is published by Julian Christopher Siebert 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.