Comparison

DsStopWatch vs 1Stopwatch

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
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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

1Stopwatch

This utility app enhances your device's display with a stopwatch that can be shown on the Dynamic Island, Lock Screen, and Control Center. It offers history records with iCloud sync, customizable tick sounds, and Siri integration for hands-free control.

Highlights
  • Dynamic Island stopwatch display
  • Lock Screen and Control Center integration
  • History records with iCloud Sync
  • Multiple tick sound options
  • Siri voice commands for start/stop
Features
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The missing stopwatch features: 1. Display stopwatch on Dynamic Island, Lock Screen, and Control Cetner 2. History Records with iCloud Sync between your devices 3. Multiple nice stopwatch tick sounds 4. Use Hey Siri to Start stopwatch and Stop stopwatch

Screenshots

DsStopWatch4 screens
1Stopwatch4 screens

Verdict

The call

The clearest difference is rating: 1Stopwatch at 5.0 against DsStopWatch's 4.3. 1Stopwatch also leads on update cadence (fortnightly vs every 2 months). DsStopWatch's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 16.2). On price, ratings volume, ads 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. 1Stopwatch sells 1 one-off in-app purchase. DsStopWatch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

1Stopwatch holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

DsStopWatch ships an update every 2 months, 1Stopwatch fortnightly. The most recent releases landed on June 7, 2026 and September 16, 2026 respectively.

Scorecard5 real differences · 5 level
DsStopWatch versus 1Stopwatch: the parameters behind the verdict, then further details
ParameterDsStopWatch1Stopwatch
PriceFreeFree
Rating4.3 (3 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings3 — better2
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.2
Further details — not scored
Size9 MB15 MB
Age rating4+4+
DeveloperRyuichi Kato兴华 范

Customer experience

DsStopWatch

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

1Stopwatch

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DsStopWatch

No in-app purchases

1 purchases

1Stopwatch

One-time1
  • Premium$4.99

Questions

Is DsStopWatch free?
DsStopWatch is free to download, with no in-app purchases.
Is 1Stopwatch free?
1Stopwatch is free to download, with in-app purchases available.
Which has better reviews, DsStopWatch or 1Stopwatch?
1Stopwatch is rated higher. DsStopWatch averages 4.3 out of 5 from 3 ratings, while 1Stopwatch averages 5.0 from 2 ratings.
Do DsStopWatch or 1Stopwatch have ads?
Neither DsStopWatch nor 1Stopwatch shows ads.
Which is updated more often, DsStopWatch or 1Stopwatch?
DsStopWatch ships an update every 2 months, and 1Stopwatch fortnightly. Most recently, DsStopWatch was updated on June 7, 2026 and 1Stopwatch on September 16, 2026.

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