Routine Time Watch vs SixtySum
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Routine Time Watch
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"Routine Time Watch" is an Apple Watch app that sequentially counts down through a list of tasks. ~ Features ~ -This app helps you efficiently complete your routines, such as a morning tasks, by making you more aware of time. -You can view your listed tasks on your Apple Watch and start from any step you like. -This app notifies you with a vibration when a time limit is reached. ~ How to Use ~ 1. On your Apple Watch, go to Settings > General > Return to Clock and select After 1 Hour. *1, *2 2. Open the app on your iPhone and enter your desired task in the text field at the top left. 3. After entering the text, set the time limit for the task to its right. 4. After you've finished entering the task, press the Add button to add it to your list. 5. Repeat the above steps to add more tasks. *3 6. Once your task list is complete, open the app on your Apple Watch. 7. Tap the Sync with Apple Watch button on your iPhone to sync the task list. 8. Confirm that the task list has been reflected on your Apple Watch. 9. Tap the Start button on your Apple Watch to begin the task countdown. *4 *1 You can also set a custom app setting to prevent the watch from returning to the clock face when you twist your wrist. *2 We recommend placing a shortcut to the app on your watch face for quick access. *3 To change the order or delete tasks, use the Edit button. *4 You can swipe left and right on the Apple Watch screen to switch to the task list.
SixtySum
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Time isn't decimal. Your calculator shouldn't be either. SixtySum is a calculator built for one job: adding and subtracting hours, minutes, and seconds โ fast. A regular calculator works in tens. Time works in sixties. SixtySum does the base-60 math for you, so 50 minutes plus 20 minutes is 1 hour 10 minutes โ not 70. Tap H, M, or S, type the numbers, and go. No colon to fumble with. No menus to dig through. No internet to wait for. WHO IT'S FOR Video editors, streamers, audio and stage crews, and anyone who works by the clock and needs the total now โ not after another web search. WHAT YOU CAN DO - Add and subtract HH:MM:SS values - Switch instantly between H / M / S input - Drop in 15m / 30m / 45m with a single tap - Chain calculations without stopping - See negative results for time differences - Review your last 20 calculations at a glance QUIET BY DESIGN - One-time purchase โ buy it once, keep it - No ads - No subscription - No login or account - No tracking - Works fully offline SixtySum stays out of your way and just gives you the number. Note: Calculation history is kept for the current session only and is not saved permanently.
Screenshots
Verdict
The clearest difference is price: SixtySum at Free against Routine Time Watch's $0.99. SixtySum also leads on iOS requirement (15.0 vs 18.4). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
SixtySum is free to download; Routine Time Watch costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Routine Time Watch ships an update every 3 days, SixtySum every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Routine Time Watch | SixtySum |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 3 days | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch โ better | iPhone, iPod |
| Requires iOS | 18.4 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 13 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | kobunachou ozawa | KENTA OSAWA |
In-app purchases
Routine Time Watch
No in-app purchases
SixtySum
No in-app purchases
Questions
Is Routine Time Watch free?
Is SixtySum free?
Do Routine Time Watch or SixtySum have ads?
Which is updated more often, Routine Time Watch or SixtySum?
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