2024 ColorCal is a productivity tool designed to display color-coded, rotating scheduled day-off (SDO) calendars for USPS personnel. It provides a static, offline-only view of holidays, paydays, and specific SDO schemes spanning October 2023 through January 2025.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For USPS letter carriers and clerks who follow a specific color/alpha-coded rotating day-off schedule.
What does it look like?
Key features
Displays a pre-set color and alpha (A-F) scheme for rotating scheduled days off.
Provides a secure, offline-only interface that does not require calendar integration or internet connectivity.
Includes built-in markers for paydays and holidays within the USPS 2024-2025 schedule.
Operates without ads, in-app purchases, push notifications, or collection of personal user data.
How much does it cost?
Velocity
Who built it?
Preston Fung
5 apps tracked · Productivity
2026 USPS ColorCal Calendar
2023 ColorCal USPS calendar
2025 ColorCal
2027 USPS ColorCal NALCUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for 2024 ColorCal by FourCatsApp
How's the Productivity market?
The rivals identified
The Analyst's Read
Key takeaways for 2024 ColorCal by FourCatsApp
Where is it heading?
Bottom line
This is a niche, static utility for USPS employees that prioritizes privacy and offline access over dynamic calendar integration.
Report last updated