Report updated May 9, 2026
2025 ColorCal
For uSPS letter carriers and clerks who utilize rotating Sunday/day-off scheduling systems.
Overview · Full Intel report in progress
2025 ColorCal is an established productivity app that is a paid app. With a 5.0/5 rating from 1 reviews, it shows polarized user reception.
What is 2025 ColorCal?
Current Momentum
v1.0
No release notes available.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Displays scheduled days off using a standardized color and alpha (A-F) coding system common to USPS printed calendars.
Covers the period from October 2024 (USPS 2025 Q1) through January 2026 (USPS 2026 Q1).
Functions without online calendar integration, ads, pop-ups, or data collection to ensure user security.
Provides visual references for holidays and paydays alongside the rotating SDO schedule.
How much does it cost?
Who Built It?
Preston Fung
Providing specialized, offline-capable scheduling tools for USPS personnel. Simplifying complex rotating work calendars for letter carriers and clerks.
Portfolio
4
Apps
What other apps does Preston Fung make?
Explore the full Preston Fung report
Portfolio breakdown, audience, momentum, and every app published by Preston Fung.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for 2025 ColorCal?
How's The Productivity Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for 2025 ColorCal
Key Takeaways
This is a privacy-focused, offline utility specifically tailored for USPS employees to manage rotating work schedules without third-party data exposure.
Where Is It Heading?
Trend analysis
Available very soon