2025 ColorCal

Review by eFreeware

Rotating days off are one of those things that sound simple when described and turn confusing in practice. If your schedule moves through a repeating cycle, keeping track of which Sunday you are on, when the next holiday lands and whether payday is this week usually means consulting a printed sheet taped inside a locker. That works until the sheet gets lost, faded or outdated.

2025 ColorCal is a small app from developer FourCatsApp that turns that printed reference into something you carry on your phone. The calendar uses color and alpha coding to track the Sunday and rotating day off schedules common among USPS carriers and clerks. It costs $1.49, carries no ads and offers no in-app purchases.

What the color and alpha coding does

The core idea is that each day in the cycle is tied to a color and a letter from A to F. Instead of reading a grid and counting forward from a known date, you match the color or letter assigned to your rotation and see where your days off fall across the months ahead. For anyone who already thinks in those terms, it removes a step from the routine.

The scheme the app follows is described as the one that appears on widely available printed calendars, so if you have been relying on a paper version, the logic should look familiar. The developer is also upfront that there are far too many color schemes in use to cover them all. If your particular scheme differs, the app can still be used by lining up your current scheduled day off with the matching color, which is a reasonable workaround rather than a perfect fit.

The dates it covers and what it shows

The calendar runs from October 2024, which corresponds to the start of USPS 2025 Q1, through January 2026, the end of USPS 2026 Q1. That is a defined window rather than an open-ended one, so it is worth checking that your planning horizon sits inside it before buying.

Within that span the app displays three things: your scheduled day off, holidays and paydays. That is a deliberately narrow scope. It is not trying to be a general-purpose planner or a shift-tracking tool for every kind of job. It is a reference for people whose working year is organized around a repeating day-off cycle, and the value comes from having those three pieces of information in one place without hunting through paperwork.

Privacy, connectivity and cost

The app is built to work without a connection. There is no online calendar integration, which the developer frames as a security decision, and nothing in the app collects, stores or asks for personal information. There are no ads, pop-ups, nag screens or push notifications either, and no in-app purchases to navigate. For a tool that only needs to display static dates, that restraint makes sense.

It is a one-time purchase at $1.49 with nothing further to buy inside it. If you are comparing it with free calendar apps, the trade is straightforward: you pay once and get a fixed, offline reference with no advertising. The install base is small, with more than 500 installs and a 4.8 average from nine ratings, so there is not much of a crowd behind it either way.

Before you install it

There is no setup process to speak of, because the app has nothing to configure and no data to enter. You open it and read the calendar. That also means there is no personalization: the dates and the coding are fixed, and the only adjustment available is the mental one of matching your own scheduled day off to the corresponding color if your scheme differs from the one shown.

One practical point the developer raises is about where you get the app. The principle carries over: obtain it from a reputable storefront rather than a third-party source, since altered copies cannot be verified as safe. The developer also notes that the calendar is believed to be correct and that using it means accepting that errors or omissions are possible. That is standard language for a reference tool, but it is a reminder to treat it as a convenience rather than an official record.

Who gets the most from it

This is a niche app, and it is comfortable being one. It suits USPS letter carriers and clerks whose days off follow the common Sunday and rotating pattern, particularly those who already work from a color or alpha system and want the same information on a phone instead of a sheet of paper. Anyone whose rotation matches the scheme shown will get the most out of it immediately.

It also suits people who would rather pay a small amount once than deal with advertising in a calendar. If your schedule does not use this kind of cycle, the app has little to offer you, and that is simply the shape of what it was built for.

A focused tool for a specific schedule

2025 ColorCal does one job and does it without clutter: it puts a color and alpha-coded day-off calendar for USPS carriers and clerks on your phone, covering October 2024 through January 2026, with holidays and paydays alongside. The $1.49 price, the absence of ads and purchases, and the offline, no-data approach all fit the modest scope of the tool.

The limits are worth weighing before you buy. The date range is fixed, the coding follows one common scheme, and the app is a static reference rather than something that adapts to your situation. If your rotation matches what it shows, it is an inexpensive way to stop hunting for a printed calendar. If it does not, the workaround of matching your current scheduled day off to a color is the only path in, and that will not appeal to everyone.