Between Dates Calendar Math

Between Dates Calendar Math

Quick, Easy Date Calculations

39 ratings
6 reviews
$1.99 $0.99

Lowest price: $0.99 7 months ago (-0%)


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Details

  • Released
  • Updated
Between Dates Calendar Math screenshot #1 for iPhone
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iphone
ipad
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About

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.

โœ“Calculate days between dates
โœ“Save and recall date calculations
โœ“Sort and remove saved dates
โœ“Add or subtract days
โœ“Copy dates to start/end
โœ“Reset dates to current
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What's New in Between Dates Calendar Math

6.9

April 20, 2026

Fixed some issues with the add/subtract dialogue box - including an issue with the iPad keyboard not showing up correctly.

User reviews

A very necessary app

I have depended on this app for several years. I use it to advise me of things that must been done on exact dates in the future. The developer is extremely responsive and accommodating.
Thank you !!

Response from developer

I'm glad I could help.

Great for doctors and researchers

Taking a medicine BID for 15 days means you should have 1 day and 7 hours left. need hours and seconds.

Useful, but confusing interface

I use this app to calculate time between my last booked flight and the next.

It works ok, although if I try to enter a date earlier than the current date, the interface can be a bit confusing with dates greyed out and so not available. Although it can be done, it would be much simpler and more intuitive if I could just choose the dates I want.

For that reason I give it 4 stars rather than 5.

The App Support Button on the App Store page (this page) takes you to a weird site about Bath Ducks (go figure) so no apparent way to contact the developer.
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Interesting idea, but lacking in functionality

Interesting idea, but lacking in functionality.
First: disable the sound. It's horrible.
Second: lack of information. For example:
- display working days vs weekends.
- maybe integrate the ability to add time gaps (for holidays ... )
- maybe some more weird info > seconds, minutes ...
A few requests from a free user, but i think will help.
I will change my rating accordingly for future updates ( but not only for my requests, surprise us).
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A little complicated

I don't really like the layout . Picking a date and having to copy to start or end is too much work for me. I just wanted a simple date difference. Maybe 2 spinning wheel top n bottom n result in the middle? And a subtract box next to result? I think most ppl would prefer something nice simple n efficient. I will keep this app since I need something like this, until probably the next update.
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Developer apps

FAQ

What is Between Dates Calendar Math used for?

Between Dates Calendar Math is used to quickly calculate the number of days between two selected dates. It also allows users to save, recall, and manage these date calculations.

Can I add or subtract days using Between Dates Calendar Math?

Yes, you can add days to the end date or subtract days from the start date to find future or past dates. This feature helps in projecting dates based on a specific duration.

How do I save and view dates in Between Dates Calendar Math?

You can save a date calculation by pressing the save button. To view saved dates, press the 'view dates' button, where you can also sort or remove them.

What devices is Between Dates Calendar Math compatible with?

Between Dates Calendar Math is compatible with Mac, iPhone, iPad, and iPod devices, offering a consistent experience across Apple platforms.

How often is Between Dates Calendar Math updated?

The app was last updated on January 1, 2026, indicating a recent update. Users can expect ongoing support and potential feature additions.

What is the age rating for Between Dates Calendar Math?

Between Dates Calendar Math has an age rating of 4+, making it suitable for a wide range of users, including children and adults.

Does Between Dates Calendar Math have ads?

No, Between Dates Calendar Math does not contain advertisements. It provides an ad-free experience for users.

What is the price of Between Dates Calendar Math?

Between Dates Calendar Math is available for a one-time purchase of $1.99.