I have just released a new version of Refills to a small number of beta testers. The beta addresses an issue, and includes a change to the way information is displayed. After a short beta period, this version will be submitted to Apple for review.
Issue with refill calculation
When a medication runs out, Refills automatically stops tracking consumption of the medication. However, there was a problem with this functionality in the previous releases of Refills, where sometimes a medication would continue to have its quantity remaining reduced below zero, even though Refills would display zero as the quantity remaining. As a result of this issue, when a medication had a quantity remaining of zero for a period of time, the quantity remaining might be miscalculated after the medication was refilled.
Improved at-a-glance display
A key feature of Refills is displaying the number of days, weeks, or months left on a medication, in a way that can be quickly reviewed. This at-a-glance feature works because Refills intentionally displays an approximation of the duration remaining. Instead of displaying "24 days" remaining, refills displays "3 weeks". This tradeoff for convenience works for two reasons:
- The duration display becomes progressively more precise as duration decreases from months, to weeks, and finally days. A display of weeks will be more precise than a display of months, and Refills displays the duration remaining precisely as days when fewer than two weeks remain on a medication.
- Refills also displays the always-precise "Order by" date for each medication, and alerts the user both on the order-by date, as well as five days earlier.
However, the previous versions of Refills always displayed the duration remaining as whole numbers -- a medication would either display as having "3 months" or "2 months" remaining, but nothing in between. To be safe, Refills always rounded down the display, choosing to display a medication with 89 days remaining as "2 months" rather than "3 months". The feedback on this was clear: while rounding down is safe, it can be alarming to see a new three-month medication display as "2 months" remaining after taking the medication for only one day.
To address this issue while retaining the at-a-glance convenience, Refills will no longer round down as aggressively as before, and it will display approximate durations to the nearest half-month or half-week, as shown in the screenshot above.