TC Organizer vs DsStopWatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TC Organizer
This utility app calculates and predicts timecode conversions between various broadcast and film industry standards, including 23.98, NTSC 29.97, and PAL 25. It offers source and target modes for flexible workflow integration.
- Timecode conversion (23.98, 29.97, 25)
- Source and Target calculation modes
- Supports NTSC and PAL standards
- EDL (CUT point) timecode display
- Adjustable TC sync points (0H, 1H, 10H)
- Frame-to-frame and pull-down conversion assumptions
Read full descriptionHide full description
Essential app for all the professionals in the broadcast and film industry. Calculate and predict the Timecode(TC) between any combinations among 23.98(24), NTSC 29.97(30), and PAL 25. The Description field in the middle will show which conversion methods would be used for the conversion. The calculation is assuming users use 2-3 pull-down or removing-2-3-pull-down methods for the conversions between 23.98(24) and NTSC 29.97(30). It is assuming users use frame-to-frame conversions between 23.98(24) and PAL(25). All the timecode(TC) is shown as EDL(TAPE DECK) way, so the timecode is your CUT point. It is not the editing software's way such as OUT point, 1 frame shorter than CUT point. How to use in general: User Interface can be split into 4 sections: 1. Mode - you can choose "Source" or "Target" mode. Set "Source" if you know the source TC and want to know the converted TC. Set "Target" mode if you know the target TC and want to know your source TC. 2. TC Input - click the TC input Field, then the numeric keyboard will pop-up. Please type the timecode with numbers only and press any other area than numeric pad as enter. Depending on your input timecode's hour, the Sync point will be automatically chosen. Then you can set your TC Type as 23.976, 29.97 NDF, 29.97DF, and 25. 3. Description - show which conversion methods will be used 4. TC Output - show the calculated or predicted TC with duration. You can set the target TC Type as 23.976, 29.97NDF, 29.97DF, and 25. As often the broadcasters use different starting TC point between 1 hour and 10 hour, you can choose the different TC sync point among 0H, 1H, and 10H. Example 1, "Source Mode": if you have your master in 23.98 and you like to know how long it would be after frame-to-frame conversion to PAL. Please put your source TC, then it will predict your PAL TC and duration for you. Example 2, "Target Mode": if your broadcaster wants to make 22:30 Drop frame show with film look and you shot as 23.98 and like to edit in 23.98, please change to "Target Mode" and put your 22:30 timecode and choose drop frame in the input TC Type, then it will calculate your 23.98 TC for your editing. I hope this app can help you in many of your projects.
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
Read full descriptionHide 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.
Screenshots
Verdict
The clearest difference is price: DsStopWatch at Free against TC Organizer's $1.99. DsStopWatch also leads on update cadence (every 2 months vs every 73 months) and iOS requirement (12.0 vs 15.6). On 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; TC Organizer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TC Organizer ships an update every 73 months, DsStopWatch every 2 months. The most recent releases landed on September 13, 2026 and October 13, 2026 respectively.
| Parameter | TC Organizer | DsStopWatch |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 4.3 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 3 — better |
| Update frequency | Every 73 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | KYOUNG KUEN CHUNG | Ryuichi Kato |
Customer experience
TC Organizer
DsStopWatch
In-app purchases
TC Organizer
No in-app purchases
DsStopWatch
No in-app purchases
Questions
Is TC Organizer free?
Is DsStopWatch free?
Do TC Organizer or DsStopWatch have ads?
Which is updated more often, TC Organizer or DsStopWatch?
Other comparisons















