ColorCal 2023 is a productivity tool designed for USPS Letter Carriers and Clerks to track rotating Scheduled Day Off (SDO) cycles. It provides a color and alpha-coded calendar spanning October 2022 through January 2024, including federal holidays and paydays.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For USPS Letter Carriers and Clerks requiring a visual reference for rotating work schedules.
What does it look like?
Key features
Displays color and alpha-coded (A-F) schedules for USPS Sunday and rotating days off.
Provides a dedicated space for users to input personal notes within the calendar interface.
Operates entirely without internet connectivity and does not collect or store personal user data.
Includes federal holidays, such as Juneteenth, alongside standard payday markers.
How much does it cost?
Velocity
Who built it?
Preston Fung
5 apps tracked · Productivity
2026 USPS ColorCal Calendar
2025 ColorCal
2024 ColorCal by FourCatsApp
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 2023 ColorCal USPS calendar
How's the Productivity market?
The rivals identified
The Analyst's Read
Key takeaways for 2023 ColorCal USPS calendar
Where is it heading?
Bottom line
This is a privacy-focused, offline-only utility for USPS employees to manage specific rotating work schedules without ads or in-app purchases.
Report last updated