--- title: "2026 USPS ColorCal Calendar — App Overview" url: https://marlvel.ai/apps/com-fourcatsapp-2026 category: Productivity developer: Preston Fung platforms: ios rating: 4.0 (4 ratings) pricing: paid report_level: overview generated: 2026-04-29 last_verified: "2026-05-09T04:08:55.631Z" --- > **Key Insight:** This is a privacy-centric, offline utility specifically tailored for USPS employees to manage their rotating work schedules. | Metric | Value | |--------|-------| | Category | Productivity | | Rating | 4.0 ★ (4) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.0 | | Developer | Preston Fung | ## What is 2026 USPS ColorCal Calendar? 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. ## Key Features - **Color-Coded SDO Tracking**: Displays scheduled days off, holidays, and paydays based on common USPS color and alpha schemes. - **Offline Functionality**: Operates entirely without internet connectivity, ensuring access to schedules at all times. - **Privacy-Focused Design**: The app does not collect, save, or request any user information, and contains no ads or in-app purchases. - **Extended Date Range**: Covers the period from October 2025 (USPS 2026 Q1) through January 2027 (USPS 2027 Q1). ## Who is it for? USPS letter carriers and clerks who utilize color-coded or alpha-based rotating day-off schedules. ## Links - [App Store](https://apps.apple.com/us/app/2026-usps-colorcal-calendar/id6752637004?uo=2) - [Full Intelligence Report](https://marlvel.ai/apps/com-fourcatsapp-2026) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/com-fourcatsapp-2026).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*