Stopwatch 4 Time Study vs Pirates
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.
Pirates
Take back control of your time by blocking distracting apps and websites. Utilize a focus timer with custom soundscapes to enhance productivity. Enjoy a fun, engaging experience with unique characters and ships while gaining clear insights into your progress.
- App and website blocking
- Focus timer with Pomodoro
- Customizable soundscapes
- Engaging character and ship designs
- On-device blocking via Screen Time API
- Progress insights
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A cozy Pomodoro timer with a crew of cat pirates. Start a focus round, sail with your cats, and earn gold when the timer ends. Your distracting apps stay locked until you're done. No accounts, no ads, no tracking. A TIMER THAT FEELS LIKE A GAME • Pick your focus and break lengths, or use the classic 25/5 • Earn gold every time a round ends, not at the end of the week • Recruit 7 cats, dress them in 170+ outfits, and decorate your ship and camp • Come home to a cozy camp with a hammock, a campfire, and cats wandering around while you work BUILT FOR DISTRACTED BRAINS • One big button to start. No setup, no to-do list first • Short rounds with a visible timer, so time stops feeling invisible • Streaks start at 1 day, so a bad week never wipes you out • Mix your own ambient sound: waves, rain, fireplace, lo-fi, and a purring cat KEEPS YOUR PHONE QUIET • Optional app and website blocking with iOS Screen Time. No VPN, no servers • You pick which apps lock during a round. Calls and texts always work • Quit a round early and you lose the reward. Hard mode locks the timer so you can't end it early MORE ON DECK • Live Activity keeps the timer on your lock screen and Dynamic Island • Three daily missions arrive in your mailbox and pay extra gold • Climb 11 pirate ranks from Deckhand to Legend of the Seven Seas • The Captain's log charts every focus minute PERFECT FOR • Students who want study sessions to feel less lonely and more finished • ADHD brains that do better with short rounds and instant rewards • Writers, developers, and anyone whose work needs long stretches of focus PRICING A monthly subscription, an annual subscription with 14 days free, or a one-time lifetime purchase. All unlock the full app. No ads, ever. PRIVATE BY DESIGN Your progress stays on your phone. No account, no ads, no tracking. The lock runs on your device through Apple's Screen Time, and your app choices never leave it. The only things the app sends out are anonymous usage statistics and crash reports. Terms of Use: https://cachepapi.github.io/pirates-legal/terms/ Privacy Policy: https://cachepapi.github.io/pirates-legal/privacy/ Study with cat pirates. Your first voyage awaits, Captain!
Screenshots
Verdict
The clearest difference is in-app purchases: Stopwatch 4 Time Study at none against Pirates's 3. Pirates's advantage is update cadence (every 4 days vs every 2 months) and ratings volume (12 vs 1). On price, rating, review sentiment and ads 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. Pirates sells 3 in-app purchases, starting at $3.99 per month. Stopwatch 4 Time Study asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Stopwatch 4 Time Study against 5.0 for Pirates. That said, the two scores are not equally well evidenced: Pirates has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Stopwatch 4 Time Study ships an update every 2 months, Pirates every 4 days. The most recent releases landed on September 24, 2026 and October 13, 2026 respectively.
| Parameter | Stopwatch 4 Time Study | Pirates |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (12 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 12 — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 160 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Herzog | John Jang |
Customer experience
Stopwatch 4 Time Study
Pirates
In-app purchases
Stopwatch 4 Time Study
No in-app purchases
Pirates
- Monthly$3.991 Month
- Annual14 Days trial$19.991 Year
- Lifetime$29.99








