How much does Production Time Study make per month?

Based on our ML-calibrated revenue forecast, Production Time Study earns approximately $86/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 Production Time Study?

Browse the full Productivity 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 Production Time Study?

Production Time Study is published by Gustavo Sousa 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 Production Time Study's BU Score?

Production Time Study has a BU Score of 57/100 (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.

Production Time Study

Quality Score

Solid

Production Time Study

Name: Production Time Study — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Production Time Study revenue, Production Time Study app analytics, mobile app revenue estimate, Productivity revenue, iOS app revenue

Medium confidence

4.6 ✍️ Editor

✍️ bumetric analysis

“

Production Time Study is an iOS app from Gustavo Sousa in the Productivity category, currently rated 4.6★ across 114 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 57: Solid (established niche player). For a Productivity 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.

📊 Performance Tracking LIVE

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idle

Rating

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Reviews

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Forecast Revenue / mo

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Snapshots tracked

since first record

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 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
Excellent rating (4.6★)METRIC		+$2,200
Mature app (10y old)METRIC		+$1,500
Early-stage install base (114 ratings)METRIC		+$400
Single-language (English only)METRIC		−$400

METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 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.

🗓️ Snapshot Timeline

HISTORY

Each bar shows a tracked update and the metric delta from the previous snapshot.

🆕 What's New · v2.5

- Adjustment due to iOS 15.
- Able to reorder the time elements when editing the time study
- Bugs Fixes

Profile & Insights

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

Identification

App name: Production Time Study
Developer: Gustavo Sousa
Bundle ID: Gustavo-Sousa.IE-StopWatch
App Store URL: Open in App Store
Category: Productivity
Content rating: 4+
Languages: EN

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: $86/mo
Top-grossing rank: Outside top 100 in US Productivity
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 growth114 ratings+11300% lifetimeShow 3-year history estimate ▾

Tracked (7 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 → $1.99 (+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

Perform Time Study for Industrial activities including cyclic and non-cyclic events using decimals minute or seconds stopwatch which it makes easier for calculation. It is recommended for both manual tasks analysis and machine cycle time verification.

Easy to use it,  tap Edit Time Study, write the task elements per Cycle and tap Start to trigger the Time Study.

Main Features:
 - Record Unstoppable Cycle Times( Up to 50 Cyclic Elements Tasks Per Cycle)  
 - Easy and Quick Time Study editing
 - Undo Lap/Split if you accidentally tapped this Button.… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

💾 1 MB🔞 4+📱 iOS 13.0+🔖 v2.5🔄 updated 0d ago🌐 EN📂 Productivity💰 Paid

📅

What Worked™ · Development Pipeline

4 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 ↓ 5.00 → 4.64 (dropped 0.36★)

2026-05

💲

Went paid — introduced $1.99 price point

2026-03

📈

Crossed 10 ratings — social-proof flywheel kicking in

2018-11

🚀

First tracked snapshot — initial data captured

🔔

Track this app’s revenue

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ONE-TIME · BUILD 💰 Estimated build cost

$55K

↳ What it cost to build · not monthly revenue

Likely range $40K – $75K

$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
⚙ Productivity complexity ×1.10	+$5K

Total estimate $55K

👥 Estimated audience size

8.5K

Lifetime downloads (US-equivalent)

Monthly active

2.5K

Daily active

1.1K

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

📲 Productivity engagement	~75 installs / rating
🔁 Productivity D30 retention	30%
📍 DAU / MAU stickiness	0.45

DAU / MAU 44% sticky

📝 Description

BU Score · Transcendent

Full revenue analysis

Read the article-style breakdown for Production Time Study: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.

Read deep-dive →