Comparison

DsStopWatch vs Offline Unit Converter

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

Head to head
About

DsStopWatch

This utility allows for precise time measurement with multiple stopwatches. It offers real-time recording, saving, and copying of time data in CSV format. Advanced features include button operation customization, lock mode for preventing accidental presses, and the ability to synchronize operations.

Highlights
  • Multiple stopwatches
  • Real-time time recording
  • Save and copy time records (CSV)
  • Customizable button operations
  • Lock mode for accidental presses
  • Light and dark screen modes
  • Operation cancellation and modification
Features
Read full description

1. How to operate (1) Button operation Operable buttons are colored. (2) Time record The measured time is recorded on the record screen in real time. To see the new record screen, press the Record> button. To see the old record screen, press the R button. To clear the time record, press the Clear All button twice. To save the time record, press the Save All button twice. Time record saves are overwritten each time. When you press the Copy button, the time record is copied to the clipboard in csv format, so you can paste it to Numbers etc. Selecting a name will display the selected person's time record. By selecting the unit distance for lap timing, the lap time for each unit distance is displayed. (3) Button operation reaction Vibration by button operation, click sound, support voice are possible. Operate with the Vibration button, Click button, and Voice button. (4) Name change You can change the name. Press the Name button or RUN button to enter LOCK mode, select a name to change the name, and press the return key to confirm the name change. Even if you change the name, pressing anything other than the return key cancels the name change. (5) LOCK mode Button operation can be prohibited to prevent erroneous button operation. If you press the Name button or RUN button to enter LOCK mode, button operation is prohibited. To cancel LOCK mode, press the Name button or LOCK button again. (6) Light screen and dark screen You can switch between light screen and dark screen. Please push the Light button or the Dark button. (7) Operation cancellation function The operation cancellation function can cancel the button operation. Only the last button operation can be canceled. Press the Undo button immediately after pressing the button. (8) Operation change function The operation change function can cancel and change the button operation. Only the last button operation can be changed. Immediately after pressing the button, press the Undo button, press the Sync button, and then press the button you want to change. (9) Operation addition function Operation addition function can be added by synchronizing button operation. It can be added in sync with the last button operation. Immediately after pressing the button, press the Sync button, then press the button you want to add. (10) Select mode Select mode allows you to operate multiple buttons at the same time. Press the Sel button to switch to select mode, select multiple buttons you want to operate at the same time, and then press the Sel button at the bottom. (11) Tapping mode The tapping mode allows you to tap first and then assign the tapping operation to any button on the stopwatch. Press the Tap button to switch to tapping mode, press the Tapping button, then press the button you want to assign to the stopwatch. You can also use A, G, 0 on the external keyboard and 0 on the numeric keypad instead of the Tapping button. The Tapping button can be memorized up to 10 times. 2. Operation Lap time and total time are displayed repeatedly in the range from 00:00.0 to 59:99.9. The time record on the record screen is displayed repeatedly in the range from 0:00:00.0 to 9:59:59.9. The Lap button also displays the number of Laps. The Lap button repeats the display in the range from 0 to 9. Lap on the record screen is displayed repeatedly in the range from 0 to 99. The resolution of the time display is 0.1 seconds, but the internal time is measured with a higher resolution. The action of each button starts at the moment the button is pressed and released. (Same as apple genuine app.) Even if you quit the app or turn off the power of the smartphone, it will continue to keep time when you start the app. There is no background processing, so this app will not drain your battery when you close it.

About

Offline Unit Converter

Features
Read full description

Unlock a unified, minimal, and lightning-fast conversion experience. Unit Converter Offline is designed from the ground up for speed, simplicity, and complete privacy. No ads, no trackers, and absolutely no internet connection required. Whether you are studying, editing documents, coding, or computing complex physics measurements, get instant results with a premium, uncluttered interface. *** WHAT MAKES US UNIQUE *** • 100% OFFLINE & PRIVACY-FIRST No account registration. No data collection. No network calls. All calculations and history items are kept entirely local to your device. • SMART EXPRESSION EVALUATOR & LIVE SEARCH Type directly to convert. Simply type "100 kg to lbs" or evaluate mathematical formulas like "12 * (4.5 + 1.5) inches to cm" directly from the main search bar. • CREATE CUSTOM UNITS Can’t find a niche unit? Build your own custom categories, reference bases, and scale factors. Manage them anytime from settings. • COMPREHENSIVE SCIENTIFIC & GENERAL METRICS Wide-ranging support for physics, electrical, engineering, and digital measurements, including pressure, energy, density, volumetric flow, radiation, and data rates. • RESPONSIVE DESIGN FOR IPHONE & IPAD Enjoy a layout optimized for any viewport. Features a dual-pane sidebar converter layout on iPad for massive productivity. • POWERFUL SHARING & UTILITIES Copy output formulas to your clipboard, or export full conversion graphics directly as text, clean PDFs, or beautiful cards to share with friends or colleagues. • ADDITIONAL EVERYDAY LIFESTYLE MAPPINGS Quick access to cooking measurements, clothing systems, hat sizing, ring sizes, and gold purity ratios for convenient day-to-day shopping and baking. *** 31 BUILT-IN CATEGORIES *** 1. Length (meters, inches, feet, yards, miles, light years) 2. Weight & Mass (grams, kilograms, pounds, ounces, stones) 3. Temperature (Celsius, Fahrenheit, Kelvin) 4. Area (square meters, acres, hectares, square miles) 5. Volume (liters, milliliters, gallons, quarts, cups) 6. Speed (m/s, km/h, mph, knots, Mach) 7. Time (milliseconds to years) 8. Digital Storage (Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes) 9. Pressure (Pascal, Bar, psi, atmosphere) 10. Energy (Joules, Calories, Kilowatt-hours, BTU) 11. Power (Watts, Horsepower) 12. Angle (Degrees, Radians, Gradians) 13. Fuel Economy (mpg, L/100km) 14. Frequency (Hertz, Kilohertz, Megahertz) 15. Force (Newtons, Pound-force) 16. Data Transfer Rate (bps, Mbps, Gbps) 17. Density (g/cm³, kg/m³, lb/ft³) 18. Torque (Newton-meters, Pound-feet) 19. Electric Current (Amperes, Milliamperes) 20. Illuminance (Lux, Foot-candles) 21. Volumetric Flow (L/min, gal/min, m³/h) 22. Electric Charge (Coulombs, Ampere-hours) 23. Radiation & Radioactivity (Sieverts, Grays, Becquerels) 24. Shoe Size (US Men/Women, UK, EU shoe sizes) 25. Ring Size (Inside Diameter, US, EU, JP, CN sizes) 26. Blood Glucose (mmol/L, mg/dL) 27. Typography (Point, CSS Pixel, Inch, Millimeter, Pica) 28. Hat Size (Inches, Centimeters, US, UK sizes) 29. Cooking & Baking (Cup, Metric Cup, Tablespoons, Teaspoons, Pinch, Dash) 30. Clothing Size (US, UK, Europe, France, Italy, Japan dresses) 31. Gold Purity (Karat, Fineness ppt, Percentage %) Plus, add infinitely many custom categories! *** USER EXPERIENCE DETAILS *** • Starred Favorites carousel for quick access to your most-used pairs. • Dynamic search history with instant undo options. • Customizable precision (decimal formatting and scientific notations). • Segmented appearance picker to toggle Light, Dark, or System mode. • Full system haptic feedback.

Screenshots

DsStopWatch4 screens
Offline Unit Converter4 screens

Verdict

The call

The clearest difference is iOS requirement: DsStopWatch at 12.0 against Offline Unit Converter's 15.0. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 8 level
DsStopWatch versus Offline Unit Converter: the parameters behind the verdict, then further details
ParameterDsStopWatchOffline Unit Converter
PriceFreeFree
Rating4.3 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size9 MB2 MB
Age rating4+4+
DeveloperRyuichi KatoAbid Rahim

In-app purchases

None

DsStopWatch

No in-app purchases

None

Offline Unit Converter

No in-app purchases

Questions

Is DsStopWatch free?
DsStopWatch is free to download, with no in-app purchases.
Is Offline Unit Converter free?
Offline Unit Converter is free to download, with no in-app purchases.
Do DsStopWatch or Offline Unit Converter have ads?
Neither DsStopWatch nor Offline Unit Converter shows ads.

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