The 2026 USPS ColorCal Calendar is a specialized productivity tool designed for USPS letter carriers and clerks to track rotating day-off schedules. It provides a static, offline-capable calendar spanning October 2025 through January 2027 without requiring data collection or internet connectivity.
Overview · Full Intel report in progress
The App DNA
What makes this app unique?
For USPS letter carriers and clerks who utilize color-coded or alpha-based rotating day-off schedules.
Key features
Displays scheduled days off, holidays, and paydays based on common USPS color and alpha schemes.
Operates entirely without internet connectivity, ensuring access to schedules at all times.
The app does not collect, save, or request any user information, and contains no ads or in-app purchases.
Covers the period from October 2025 (USPS 2026 Q1) through January 2027 (USPS 2027 Q1).
How much does it cost?
Velocity
Who built it?
Preston Fung
5 apps tracked · Productivity
2023 ColorCal USPS 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 2026 USPS ColorCal Calendar
How's the Productivity market?
The rivals identified
The Analyst's Read
Key takeaways for 2026 USPS ColorCal Calendar
Where is it heading?
Bottom line
This is a privacy-centric, offline utility specifically tailored for USPS employees to manage their rotating work schedules.
Report last updated