Stopwatch 4 Time Study vs Industrial Chronometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stopwatch 4 Time Study
This app helps record cycle times and perform simple time measurements. It offers automatic recording via accelerometer or camera, detailed statistical analysis, and data export options.
- Automatic recording via accelerometer/camera
- Detailed statistical analysis (OEE, averages, dispersion)
- Time recording with comments
- Export data via email (CSV) or PDF report
- Cloud sync and sharing
- Customizable views (black/white, color-coded values)
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Stopwatch 4 Time Study is a professional yet easy-to-use app for recording, analyzing, and documenting cycle times on iPhone and iPad. Features * Display times in decimal minutes (1/100 min) or minutes and seconds * Add, deactivate, reactivate, and delete individual measurements * Record cycle times manually or automatically * Automatic triggering using the accelerometer to detect movement or vibration * Automatic triggering using the camera by comparing a reference image with the current image * Define the number of parts produced per cycle * Apply individual performance ratings to measurements * Add notes and predefined reasons for interruptions * Configure side buttons for convenient operation Statistics and Analysis * Parts per hour * Average, range, minimum, and maximum * Accuracy (epsilon) and standard deviation * Number of valid measurements * Estimated number of additional measurements required to reach the configured accuracy target * Color-coded minimum and maximum values * Distribution chart, individual-value chart, and boxplot * Optional display or hiding of deactivated measurements * Outlier analysis based on the 1.5 IQR rule Managing Time Studies * Rename and delete recordings * Organize recordings in folders * Move recordings between folders * Sort recordings by name or date * Search recordings * Import and export time studies in the .sft format using the iOS Share Sheet * Export measurement data as CSV with configurable decimal and value separators * Create and restore complete ZIP backups Reports and Sharing * Generate comprehensive PDF time-study reports * Include statistics, charts, individual measurements, and notes * Share SFT, CSV, PDF, and ZIP files using the iOS Share Sheet iPad and Process Flow * Optimized split-view interface for iPad * Perform standard time studies using the same features available on iPhone * Import Process Flow projects prepared with the Stopwatch 4 TS Web App * Record individual activities and complete production cycles * Add part notes and interruption reasons * Export completed Process Flow measurements while preserving the original project and folder structure Additional Options * Light and dark appearance * Haptic feedback * Optional prevention of automatic screen locking * Configurable OEE, accuracy, performance-rating, and CSV settings * Read-only access to existing legacy iCloud recordings The legacy iCloud area is provided only for accessing and downloading existing cloud recordings. Uploading new recordings and sharing them using Sharing Keys are no longer supported.
Industrial Chronometer
This precision timing tool offers millisecond accuracy for industrial applications like production line timing and time-and-motion studies. It features Dynamic Island and Live Activities integration for at-a-glance control and hands-free operation.
- Dynamic Island Support
- Interactive Live Activities
- Millisecond Precision
- Lap Management
- High-Contrast Interface
- Volume Keys Control
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Master your workflow with Industrial Chronometer, the ultimate precision timing tool designed for engineers, manufacturers, and efficiency experts. Whether you are timing production lines, measuring cycle times, or conducting time-and-motion studies, our app delivers the accuracy you demand with the modern convenience of iOS. Designed for Efficiency Forget the hassle of unlocking your phone to check or stop a timer. Industrial Chronometer fully integrates with the latest Apple technologies to keep your data accessible at a glance. Key Features: Dynamic Island Support: View your active timer, lap count, and current status continuously on supported devices. Interactive Live Activities: Control your chronometer directly from the Lock Screen. Start, Lap, and Stop your timers without ever opening the app—perfect for hands-free industrial environments. Millisecond Precision: High-accuracy timing engine built for professional standards. Lap Management: Record split times instantly and review detailed lap history to analyze performance gaps. High-Contrast Interface: A clean, industrial-grade UI designed for visibility in various lighting conditions. Volume Keys Using : Feel as real stopwatch and easy to use with glow Who is this for? Manufacturing Engineers: Measure Takt time and cycle times effortlessly. Process Improvement Specialists: Gather accurate data for Kaizen and Lean Six Sigma projects. Lab Technicians: Precise timing for experiments where every millisecond counts. Athletics & Training: Professional-grade lap splitting for coaches and trainers. Streamline your operations and capture time with absolute precision. Download Industrial Chronometer today and bring professional timing to your Dynamic Island.
Screenshots
Verdict
The clearest difference is review sentiment: Stopwatch 4 Time Study at 100% against Industrial Chronometer's 50%. Stopwatch 4 Time Study also leads on price (Free vs $1.99) and update cadence (every 2 months vs every 11 months). Industrial Chronometer's advantage is iOS requirement (15.6 vs 18.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Stopwatch 4 Time Study is free to download; Industrial Chronometer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Stopwatch 4 Time Study ships an update every 2 months, Industrial Chronometer every 11 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.
| Parameter | Stopwatch 4 Time Study | Industrial Chronometer |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 11 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Herzog | ulas ozalp |
Customer experience
Stopwatch 4 Time Study
Industrial Chronometer
In-app purchases
Stopwatch 4 Time Study
No in-app purchases
Industrial Chronometer
No in-app purchases
Questions
Is Stopwatch 4 Time Study free?
Is Industrial Chronometer free?
Do Stopwatch 4 Time Study or Industrial Chronometer have ads?
Which is updated more often, Stopwatch 4 Time Study or Industrial Chronometer?
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