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Time Master + Billing

65
Quality Score
Solid

Time Master + Billing

Low confidence
4.7 ✍️ Editor
✍️ bumetric analysis

Time Master + Billing is an iOS app from On-Core Software LLC in the Business category, currently rated 4.7★ across 57 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 65: Solid (established niche player). For a Business 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
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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD 💰 Estimated build cost
$90K
What it cost to build · not monthly revenue
Likely range $70K – $120K
$25K · MVP floor $100K · indie scale $500K+ · studio build
📈 Pays back in ~3 months 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
📦 Asset bundle (74 MB) +$9K
Business complexity ×1.50 +$30K
Total estimate $90K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$450K
What it would sell for · not monthly revenue
Marketplace range $325K – $600K · 16× MRR multiple
💸 ~5.0× return on build cost

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
★ rating ≥ 4.4 (solid) +8%
🏷 Business category multiple +10%
Small user base (<1K ratings) -8%
Final multiple 16× MRR
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$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

Below median · 42/100MID TIERFREE (NO MONETIZATION)underperforming peers
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
6.2
Product Quality
3.2
Revenue Strength
3.7
Monetization Maturity
0.5
Defensibility
6.0
Market Position
2.0
Operational Safety
6.7
  • 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 4.65★ across 57 reviews — weak — significant quality concerns.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: Insufficient signal to assess trajectory.
  • ⚠️ Risk: Moderate — bug mentions above category norm.
🎯 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. 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

MODEL
Revenue 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 13 of 13 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
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
great valueREVIEW
+$1,600
excellent appREVIEW
+$1,500
Mature app (17y old)METRIC
+$1,500
highly recommendREVIEW
+$1,400
too expensiveREVIEW
−$1,000
priceyREVIEW
−$800
Localized (5 languages)METRIC
+$600
Pre-traction phase (57 ratings)METRIC
−$300
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 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 · v6.5.3

Fix crash for Filters in Time & Expense entires.
More descriptive error messages for Dropbox errors.
Added crop function to Photo Receipts.
Minor UI updates.

Profile & Insights

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

Identification

App name
Time Master + Billing
Developer
On-Core Software LLC
Bundle ID
com.oncore.TimeMaster
App Store URL
Open in App Store
Category
Business
Content rating
4+
Languages
EN, FI, DE, NB, ES

Company

Website
Not found
Tagline
Not found
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
$27.4K/mo
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.
📈Ratings growth57 ratings+-66% lifetimeShow 3-year history estimate ▾Dec 2013Jul 2023Jun 2026
Tracked (59 weeks) Pre-tracking estimate (37 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.
💰Pricing History$0.00 → $9.99 (+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

The best, most powerful, comprehensive, easy to use time keeping app on the Apple Store is now even better.

Our biggest fans are consultants, attorneys and contractors. Time Master is used by individuals working independently, to attorneys from some of the biggest law firms in the USA. If you need to keep track of time and expenses, you can’t find a better app than Time Master. We at On-Core are IT professionals, so we have firsthand experience with billing and keeping track of time.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
💾 74 MB🔞 4+📱 iOS 15.6+🔖 v6.5.3🔄 updated 0d ago🌐 EN, FI, DE, NB, ES📂 Business💰 Paid
📅

What Worked™ · Development Pipeline

7 EVENTS TRACKED
Detected 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 ↑ 3.30 → 4.65 (improved 1.35★)
2026-05
💲
Went paid — introduced $9.99 price point
2026-03
Rating ↓ 4.40 → 3.30 (dropped 1.10★)
2011-04
📈
Crossed 100 ratings — social-proof flywheel kicking in
2010-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
2009-06
📈
Crossed 10 ratings — social-proof flywheel kicking in
2009-04
🚀
First tracked snapshot — initial data captured
🗣

Voice of Customer

Based on 310 reviews across 5 markets
● 86% positive  ·  ● 2% neutral  ·  ● 12% negative  ·  Rating drift: -0.23★ (declining — recent 50: 4.42★ vs lifetime: 4.65★)
−10+12009-Q22009-Q42010-Q22010-Q42011-Q22011-Q42012-Q22012-Q42013-Q32014-Q32026-Q1
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇬🇧 GB
+0.72
🇺🇸 US
+0.71
🇦🇺 AU
+0.64
🇨🇦 CA
+0.49
🇩🇪 DE
-0.62
Top praise themes
keep track ×21 invoicing module ×15 highly recommend ×13 multiple clients ×11 customer service ×11 keeping track ×9 i've tried ×9 being able ×9
Top complaint themes
und ×13 hours ×12 invoice ×12 sync ×10 die ×10 entry ×8 now ×7 module ×7
Risk signals
Refund mentions: 1.0% Bug mentions: 6%
🌍

Multi-Country Performance

Available in 9 of 9 monitored markets
MarketRatingReviewsCurrent version
🇦🇺 AU4.83333★64.83333★ this version
🇧🇷 BR5★15★ this version
🇨🇦 CA4★44★ this version
🇩🇪 DE3.33333★33.33333★ this version
🇫🇷 FR5★15★ this version
🇬🇧 GB4★64★ this version
🇮🇳 IN0★0
🇯🇵 JP0★0
🇺🇸 US4.65517★584.65517★ this version
🔔

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📝 Description

95
BU Score · Transcendent

More by On-Core Software LLC

View all →
📦 Portfolio summaryINDIE studio
4apps·$31K/mocombined
⚠ Concentrated — top app contributes 88% of combined revenue (single-app dependency)

Similar apps in Business

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

Why low confidence: only 57 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.

Frequently Asked Questions

4 answers · auto-generated from this app's public data
How much does Time Master + Billing make per month?
Based on our ML-calibrated revenue forecast, Time Master + Billing earns approximately $27K/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.
What apps are like Time Master + Billing?
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.
Who makes Time Master + Billing?
Time Master + Billing is published by On-Core Software LLC 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 Time Master + Billing's BU Score?
Time Master + Billing has a BU Score of 65/100 (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.