Between Dates Calendar Math vs EasyWeekNumber
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Between Dates Calendar Math
Calculate the number of days between two dates with a simple interface. Save, recall, sort, and remove date calculations. Add or subtract days from selected dates for quick date projections.
- Calculate days between dates
- Save and recall date calculations
- Sort and remove saved dates
- Add or subtract days
- Copy dates to start/end
- Reset dates to current
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Between Days was written to quickly tell how many days are between two dates. It uses a simple interface to get these answers in the quickest way possible. Underneath the simplicity, Between Days is one of the most feature rich date apps in the app store. Don’t let the simple interface fool you, this app does show a lot of information in a clean and easy to use format. To use the app simply set the start date and end date and it will display the number of days between those two dates. To select which date to edit you can either touch the date you want to change, or press the setting start date/ setting end date button. The selector will automatically change to display the date selected. It will also display the current day of the week showing on the calendar selector. If you would like to save the date for later, simply press the save button on the bottom. To recall a date, or to view saved dates press the view dates button on the bottom. Once you are at the list of dates you can sort or remove them. You can also press on a date to use it as the current date, or press done to return to your previous dates. There are also add and subtract buttons. This is useful if you need to find what the date is before or after a certain number of days, month or years. The copy to end date/copy to start date button will set both the start date and end date to the selected date. The reset button will set the beginning and end date to the current date, but will leave your saved dates alone. I hope you enjoy this app and find it useful! If you have any questions or comments send me an e-mail at Don.Espe@gmail.com Please rate this app so I know if there is enough interest to develop new features for it.
EasyWeekNumber
This utility app converts Gregorian dates to other calendar systems and calculates week numbers and year-to-date values. It provides a straightforward way to manage date conversions and track progress within a year.
- Gregorian date conversion
- Other calendar system support
- Week number calculation
- Year to date values
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EasyWeekNumber is the simple, fast way to learn everything about a date. Pick a date, choose a calendar, and instantly get: • the week number (ISO); • the day of the year (days elapsed since January 1st); • the date converted into the calendar of your choice. 14 supported calendars: Gregorian, Buddhist, Chinese, Coptic, Ethiopic (Amete Alem and Amete Mihret), Indian, Islamic, Islamic tabular, Islamic Umm al-Qura, ISO 8601, Japanese, Persian, and Republic of China. FEATURES • Week number and day of the year at a glance • Instant conversion between the Gregorian calendar and 13 other calendars • Optional time display • Your preferences (calendar and time display) are remembered between launches • Clean, fast, ad-free interface • Available in English, French, and German Perfect for work, planning, studies, or curiosity, EasyWeekNumber answers "what week is it?" in a second.
Screenshots
Verdict
The clearest difference is update cadence: Between Dates Calendar Math at every 4 months against EasyWeekNumber's every 40 months. Between Dates Calendar Math also leads on ratings volume (42 vs 1) and iOS requirement (13.0 vs 15.6). EasyWeekNumber's advantage is rating (5.0 vs 4.8). 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
Between Dates Calendar Math costs $0.99 and EasyWeekNumber $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EasyWeekNumber holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Between Dates Calendar Math has 42 ratings behind it against 1, so its average is the more settled of the two.
Between Dates Calendar Math ships an update every 4 months, EasyWeekNumber every 40 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | Between Dates Calendar Math | EasyWeekNumber |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.8 (42 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 42 — better | 1 |
| Update frequency | Every 4 months — better | Every 40 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Ducky Planet LLC | NMS Narcisse Mavoha Solutions Sarl |
Customer experience
Between Dates Calendar Math
EasyWeekNumber
In-app purchases
Between Dates Calendar Math
No in-app purchases
EasyWeekNumber
No in-app purchases
Questions
Is Between Dates Calendar Math free?
Is EasyWeekNumber free?
Which has better reviews, Between Dates Calendar Math or EasyWeekNumber?
Do Between Dates Calendar Math or EasyWeekNumber have ads?
Which is updated more often, Between Dates Calendar Math or EasyWeekNumber?
Other comparisons
