Stopwatch 4 Time Study vs TimeCatcher
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.
TimeCatcher
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TimeCatcher is designed to make it easy to start tracking and keep going. Instead of turning time-tracking into a chore, it gives you a lightweight way to capture what you are doing and reflect on how your time is spent. The goal is simple: help you build awareness. When you can see your time clearly, it becomes much easier to improve focus, spot patterns, and make better decisions.
Screenshots
Verdict
The clearest difference is update cadence: TimeCatcher at weekly against Stopwatch 4 Time Study's every 2 months. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Stopwatch 4 Time Study ships an update every 2 months, TimeCatcher weekly. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.
| Parameter | Stopwatch 4 Time Study | TimeCatcher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 11 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Herzog | Parotid |
In-app purchases
Stopwatch 4 Time Study
No in-app purchases
TimeCatcher
No in-app purchases
Questions
Is Stopwatch 4 Time Study free?
Is TimeCatcher free?
Do Stopwatch 4 Time Study or TimeCatcher have ads?
Which is updated more often, Stopwatch 4 Time Study or TimeCatcher?
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