# DsStopWatch — 10 Multi-StopWatches

> Multi-stopwatch utility with advanced operation and data management features. (iPhone/iPad app by Ryuichi Kato.)

- Source: https://appshunter.io/ios/app/dsstopwatch/id1502099992 (this page in markdown: same URL + `.md`)
- Developer: [Ryuichi Kato](https://appshunter.io/developer/1501068459)
- Category: Utilities, Sports
- Price: Free
- Rating: 4.33/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 9 MB
- Languages: English
- Released: 2020-03-18
- Data updated: 2026-06-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dsstopwatch/id1502099992/reviews.md

## What is DsStopWatch?

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.

## Key features

- 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


## Frequently asked questions about DsStopWatch

### How do I operate DsStopWatch?

DsStopWatch features intuitive button operations, with colored buttons indicating functionality. You can record, save, and clear time data easily. The app also supports vibration, click sounds, and voice feedback for button presses.

### Can I save my time records with DsStopWatch?

Yes, you can save your time records by pressing the 'Save All' button twice. These saves are overwritten each time. The records can also be copied to the clipboard in CSV format for use in other applications like Numbers.

### Does DsStopWatch have a lock mode to prevent accidental presses?

Yes, DsStopWatch includes a LOCK mode that can be entered by pressing the 'Name' or 'RUN' button. This mode prohibits button operations to prevent accidental presses. Pressing the 'Name' or 'LOCK' button again will cancel LOCK mode.

### How does DsStopWatch handle lap timing?

DsStopWatch allows you to select a unit distance for lap timing, which will then display the lap time for each unit distance. This feature is useful for tracking performance over specific intervals.

### Can I change the names associated with time records in DsStopWatch?

Yes, you can change names within DsStopWatch. Press the 'Name' or 'RUN' button to enter LOCK mode, select the name you wish to change, and press the return key to confirm. Any other key press will cancel the change.

### What are the screen options available in DsStopWatch?

DsStopWatch offers both a light screen and a dark screen option. You can switch between these modes by pressing the 'Light' or 'Dark' button, allowing for better visibility in different lighting conditions.

### Does DsStopWatch have ads?

No, DsStopWatch does not contain advertisements. The app is completely ad-free, providing an uninterrupted user experience.

### What devices is DsStopWatch compatible with?

DsStopWatch is compatible with iPhone, iPad, and iPod devices. It is designed to run on Apple's iOS ecosystem.

## Version history (last 5 releases)

### 1.7.4 — 2025-06-09

Graph screen added.

### 1.6.4 — 2024-01-02

Improved new record screen.
Added Help.

### 1.5.8 — 2023-08-27

Changed the design of the stopwatch screen.
Added a new record screen.
　On the new record screen, the lap time for each set distance is displayed.
　The old record screen will disappear with the next update.
Tapping mode tapping operation is now also possible with A, G, 0 on the external keyboard and 0 on the numeric keypad.

### 1.4.7 — 2023-03-05

Redesigned screen display layout.

### 1.4.1 — 2022-08-29

Added tapping function.
　The tapping function is to tap first and then assign the operation to the stopwatch button.
　For example, when two people reach the goal in a row, after tapping for two people, assign it to each button of the stopwatch.

Added copy 2 of record screen.
　Name1,Lap1,Lap2,Lap3,...
　Name2, Lap1, Lap2, Lap3,...

## Apps similar to DsStopWatch

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Time Calculator Simple&Easy](https://appshunter.io/ios/app/time-calculator-simple-and-easy/id1526001020) | 4.8 (127) | Free | Utilities |
| [Stopwatch & Countdown](https://appshunter.io/ios/app/stopwatch-and-countdown/id1569326633) | 3.8 (4) | Free | Utilities |
| [Rec StopWatch](https://appshunter.io/ios/app/rec-stopwatch/id421727936) | 3.0 (2) | $0.99 | Utilities |
| [Colory Tally Counter](https://appshunter.io/ios/app/colory-tally-counter/id6484164150) | — | Free | Utilities |
| [1Tap Time Counter](https://appshunter.io/ios/app/1tap-time-counter/id6744562456) | — | Free | Utilities |
| [Counter - CountDownAndUp-](https://appshunter.io/ios/app/counter-countdownandup/id1669979381) | 3.7 (3) | Free | Utilities |

## Related topics

[dsstopwatch](https://appshunter.io/ios/topics/dsstopwatch)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-07.*