# Between Dates Calendar Math vs EasyWeekNumber

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.

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.

## The numbers

| Metric | Between Dates Calendar Math | EasyWeekNumber |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.8 (42 ratings)](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/easyweeknumber/id483688780/reviews)** |
| Number of ratings | **42** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 40 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ducky Planet LLC](https://appshunter.io/developer/442169107) | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) |

## What reviewers say

### Between Dates Calendar Math

[App page](https://appshunter.io/ios/app/between-dates-calendar-math/id442169104)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### EasyWeekNumber

[App page](https://appshunter.io/ios/app/easyweeknumber/id483688780)

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.

**Highlights:** Gregorian date conversion, Other calendar system support, Week number calculation, Year to date values

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Between Dates Calendar Math free?

Between Dates Calendar Math costs $0.99, with no in-app purchases.

### Is EasyWeekNumber free?

EasyWeekNumber costs $0.99, with no in-app purchases.

### Which has better reviews, Between Dates Calendar Math or EasyWeekNumber?

EasyWeekNumber is rated higher. Between Dates Calendar Math averages 4.8 out of 5 from 42 ratings, while EasyWeekNumber averages 5.0 from 1 ratings.

### Do Between Dates Calendar Math or EasyWeekNumber have ads?

Neither Between Dates Calendar Math nor EasyWeekNumber shows ads.

### Which is updated more often, Between Dates Calendar Math or EasyWeekNumber?

Between Dates Calendar Math ships an update every 4 months, and EasyWeekNumber every 40 months. Most recently, Between Dates Calendar Math was updated on October 6, 2026 and EasyWeekNumber on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*