Comparison

Stopwatch 4 Time Study vs Shift Plan Reminder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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)
Features
Read full description

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.

About

Shift Plan Reminder

Features
Read full description

Shift Plan Reminder is a cute, offline-first shift calendar for nurses and everyone working shifts. FEATURES • Add shifts in one tap: early, late, night, on-call – or your own shift types • Rotation templates for recurring patterns • Scan a paper roster with your camera (text recognition on your device) • Reminders before each shift and rest-time hints • Hours overview and CSV export • Home Screen widget and Apple Watch app with complication • App Lock with Face ID / Touch ID • Optional sync via your own private iCloud PRIVATE BY DESIGN No account, no ads, no analytics, no tracking. Your shifts stay on your device (or in your own iCloud if you turn it on). LANGUAGES 23 languages, including English, German and Persian (Farsi) with right-to-left layout – switchable inside the app.

Screenshots

Stopwatch 4 Time Study3 screens
Shift Plan Reminder4 screens

Verdict

The call

The clearest difference is price: Stopwatch 4 Time Study at Free against Shift Plan Reminder's $3.99. Shift Plan Reminder's advantage is update cadence (every 6 days vs every 2 months). On ads, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Stopwatch 4 Time Study is free to download; Shift Plan Reminder costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stopwatch 4 Time Study ships an update every 2 months, Shift Plan Reminder every 6 days. The most recent releases landed on September 24, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
Stopwatch 4 Time Study versus Shift Plan Reminder: the parameters behind the verdict, then further details
ParameterStopwatch 4 Time StudyShift Plan Reminder
PriceFree — better$3.99
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.017.0 — better
Further details — not scored
Size11 MB6 MB
Age rating4+4+
DeveloperThomas HerzogAbolfazl Rejali

In-app purchases

None

Stopwatch 4 Time Study

No in-app purchases

None

Shift Plan Reminder

No in-app purchases

Questions

Is Stopwatch 4 Time Study free?
Stopwatch 4 Time Study is free to download, with no in-app purchases.
Is Shift Plan Reminder free?
Shift Plan Reminder costs $3.99, with no in-app purchases.
Do Stopwatch 4 Time Study or Shift Plan Reminder have ads?
Neither Stopwatch 4 Time Study nor Shift Plan Reminder shows ads.
Which is updated more often, Stopwatch 4 Time Study or Shift Plan Reminder?
Stopwatch 4 Time Study ships an update every 2 months, and Shift Plan Reminder every 6 days. Most recently, Stopwatch 4 Time Study was updated on September 24, 2026 and Shift Plan Reminder on October 15, 2026.

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