Comparison

Calendar Clock vs iSimpleStopWatch

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Calendar Clock

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

Highlights
  • All-in-one screen display
  • Year, month, week, day, hour, minute, second
  • Switchable theme colors (dark, light, green, blue)
  • Disables device sleep mode
  • Acts as a desk clock
Features
Read full description

Time and date, beautifully together. Calendar Clock is a simple, elegant time-and-calendar app designed for iPhone and iPad. See the current time and the entire month at a glance, with a clean interface that stays out of your way. Features * Large digital clock β€” View the current system time clearly and instantly. * 24-hour or 12-hour format β€” Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar β€” See the full month with the current year and month displayed above it. * Swipe through months β€” Swipe left or right on the calendar to move between months. * Today at a glance β€” Today's date is highlighted with a red circle. * Weekend highlighting β€” Saturdays and Sundays are displayed in red. * Multiple themes β€” Swipe up or down to change the screen theme. * Remembers your preferences β€” Your selected clock format and theme are preserved. * iPhone & iPad β€” Designed for both iPhone and iPad. Simple by design No complicated menus. No unnecessary controls. Just the time and the calendar, exactly when you need them. Calendar Clock β€” See time. See your day. Note that this application disables your device's sleep mode while running, so make sure you have enough battery life. *Important notice: Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided β€œas is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.

About

iSimpleStopWatch

Features
Read full description

Simple stopwatch or timer: - very easy to use - disabled sleep mode - designed for a long-term run - large font with screaming color will help you to see from far away - dark mode to save display - frame rate reduced to save energy consumption Free to use with Ads banner; required internet connection. Paid version will disable all ads, and no internet connection will be required.

Screenshots

Calendar Clock4 screens
iSimpleStopWatch1 screens

Verdict

The call

The clearest difference is price: iSimpleStopWatch at Free against Calendar Clock's $0.99. iSimpleStopWatch also leads on update cadence (every 3 months vs every 41 months) and iOS requirement (12.0 vs 26.5). Calendar Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

iSimpleStopWatch is free to download; Calendar Clock costs $0.99 up front. iSimpleStopWatch sells 1 one-off in-app purchase. Calendar Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Calendar Clock ships an update every 41 months, iSimpleStopWatch every 3 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

Scorecard5 real differences Β· 3 level
Calendar Clock versus iSimpleStopWatch: the parameters behind the verdict, then further details
ParameterCalendar ClockiSimpleStopWatch
Price$0.99Free β€” better
Positive reviews0.0% of reviewsβ€”
Update frequencyEvery 41 monthsEvery 3 months β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
MonetizationPaidβ€”
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS26.512.0 β€” better
Further details β€” not scored
Size4 MB47 MB
Age rating4+17+
DeveloperSystemiko Inc.BeWise s.r.o.

In-app purchases

None

Calendar Clock

No in-app purchases

1 purchases

iSimpleStopWatch

One-time1
  • No Ads$0.99

Questions

Is Calendar Clock free?
Calendar Clock costs $0.99, with no in-app purchases.
Is iSimpleStopWatch free?
iSimpleStopWatch is free to download, with in-app purchases available.
Do Calendar Clock or iSimpleStopWatch have ads?
iSimpleStopWatch shows ads; Calendar Clock does not.
Which is updated more often, Calendar Clock or iSimpleStopWatch?
Calendar Clock ships an update every 41 months, and iSimpleStopWatch every 3 months. Most recently, Calendar Clock was updated on September 10, 2026 and iSimpleStopWatch on September 18, 2026.

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