Rec StopWatch vs DsStopWatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rec StopWatch
This stopwatch app allows users to measure and record times with custom labels, perfect for athletic events or physical education. Easily sort and save past records, and share them via email. Features both digital and analog displays with simple two-button operation.
- Digital and analog display
- Customizable labels for measured times
- Sorting of time records
- Save and email past records
- Countdown start function
- Animation and sound effects
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"Rec StopWatch" is a stopwatch application can also manage measured records. Labels can be set to the measured time, for example, this application respond to measuring and recording student's 50m running. You don't need write measured records on paper.After measuring, the rest is just to send e-mail! Treated as direct data recording. Moreover, because all measured time can be sorted, you can checkwho the shortest recorded. This is a stopwatch application for athletics and physical education class and circuit racing. =====Performance features===== - Digital and analog display - Simple operation with two buttons - Comfortable operation with animation and sounds. - Countdown start function * countdown time can be changed - The measured time editing labels - Time list sorting function -order the old record -order the new record -order short time -order longest time -order short lap time -order longest lap time -Save and Display a list of past records. -Send e-mail a list of records. * You can also email a list of the records kept in the past =====Settings====== - The operation sounds ON/OFF - Countdown seconds(3, 5, 10 s)
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is price: DsStopWatch at Free against Rec StopWatch's $0.99. DsStopWatch also leads on rating (4.3 vs 3.0) and update cadence (every 2 months vs every 39 months). On ratings volume, 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
DsStopWatch is free to download; Rec StopWatch costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DsStopWatch holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
Rec StopWatch ships an update every 39 months, DsStopWatch every 2 months. The most recent releases landed on August 1, 2026 and June 7, 2026 respectively.
| Parameter | Rec StopWatch | DsStopWatch |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (2 ratings) | 4.3 (3 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 39 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 8 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Yoshinosuke Nagaya | Ryuichi Kato |
Customer experience
Rec StopWatch
DsStopWatch
In-app purchases
Rec StopWatch
No in-app purchases
DsStopWatch
No in-app purchases
Questions
Is Rec StopWatch free?
Is DsStopWatch free?
Which has better reviews, Rec StopWatch or DsStopWatch?
Do Rec StopWatch or DsStopWatch have ads?
Which is updated more often, Rec StopWatch or DsStopWatch?
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