Comparison

Days calc vs Calendar Clock

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

Head to head
About

Days calc

Calculate the difference between two dates or add days to a specific date. This tool helps you determine future dates, remaining days until an event, or days passed since a past date. It conveniently saves your last calculation for quick access.

Highlights
  • Add days to a date
  • Calculate difference between dates
  • Count days, weeks, or years-months-days
  • Find remaining days until a date
  • Track days passed since a date
  • Saves last calculated date
Features
Read full description

This app operates using dates and days: - adds the number of days to specified date and finds the new date - finds the difference between two dates in number of days, weeks or years-months-days Choose the date, enter the number of days, and get the result! It also saves the last calculated date and updates it when launching. You will know: - which date it will be after a specific period of days - how many days remain until specific date - how many days have passed since specific date No in-app ads, no subscription necessary!

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 — View the current system time clearly and instantly. * 24-hour or 12-hour format — Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar — See the full month with the current year and month displayed above it. * Swipe through months — Swipe left or right on the calendar to move between months. * Today at a glance — Today's date is highlighted with a red circle. * Weekend highlighting — Saturdays and Sundays are displayed in red. * Multiple themes — Swipe up or down to change the screen theme. * Remembers your preferences — Your selected clock format and theme are preserved. * iPhone & iPad — 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 — 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 “as 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.

Screenshots

Days calc4 screens
Calendar Clock4 screens

Verdict

The call

The clearest difference is review sentiment: Days calc at 88% against Calendar Clock's 0%. Days calc also leads on update cadence (every 2 months vs every 41 months) and iOS requirement (14.0 vs 26.5). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Days calc costs $0.99 and Calendar Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Days calc ships an update every 2 months, Calendar Clock every 41 months. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Days calc versus Calendar Clock: the parameters behind the verdict, then further details
ParameterDays calcCalendar Clock
Price$0.99$0.99
Rating4.8 (4 ratings) — better—
Positive reviews87.5% of reviews — better0.0% of reviews
Number of ratings4 — better—
Update frequencyEvery 2 months — betterEvery 41 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.5
Further details — not scored
Size1 MB4 MB
Age rating4+4+
DeveloperEvgeny TurchaninovSystemiko Inc.

Customer experience

Days calc

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Calendar Clock

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Days calc

No in-app purchases

None

Calendar Clock

No in-app purchases

Questions

Is Days calc free?
Days calc costs $0.99, with no in-app purchases.
Is Calendar Clock free?
Calendar Clock costs $0.99, with no in-app purchases.
Do Days calc or Calendar Clock have ads?
Neither Days calc nor Calendar Clock shows ads.
Which is updated more often, Days calc or Calendar Clock?
Days calc ships an update every 2 months, and Calendar Clock every 41 months. Most recently, Days calc was updated on October 24, 2026 and Calendar Clock on October 24, 2026.

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