# 2023 ColorCal USPS calendar — Color coded calendar NALC APWU > Color-coded USPS postal worker calendar with days off, holidays, and paydays. (iPhone/iPad app by Preston Fung.) - Source: https://appshunter.io/ios/app/2023-colorcal-usps-calendar/id1642858325 (this page in markdown: same URL + `.md`) - Developer: [Preston Fung](https://appshunter.io/developer/1528761745) - Category: Productivity - Price: Free - Rating: 2.33/5 from 3 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 18 MB - Languages: English - Released: 2022-09-01 - Data updated: 2026-06-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/2023-colorcal-usps-calendar/id1642858325/reviews.md ## What is 2023 ColorCal USPS calendar? ColorCal 2023 color coded day-off Postal calendar USPS Letter Carriers and Clerk color and alpha coded scheduled day off (SDO) calendar Color and Alpha (A-F) Coded calendar for Carriers and Clerks using USPS Sunday/Rotating Scheduled Day Off (SDO) calendar This calendar spans October 2022 (USPS 2023 Q1 ) thru January 2024 (USPS 2024 Q1+) What's new: 1) Added ScratchPad features 2) Added the Juneteenth federal holiday. NOTE: The SDO scheme depicted in this calendar, matches readily available calendars and may not match yours exactly. There are many various color schemes and I could not possible address them all. It displays your scheduled day off, holidays and paydays. NO complicated or intrusive settings. There is no SPAM, Ads, pop-ups, nag screens, push notifications, in-app purchases or collection of personal data. It does not collect, save or ask for ANY information. The app works without connectivity. The calendar is believed to be correct. In using it, you agree to hold me harmless in the event of errors or omissions ## Key features - Color-coded scheduled days off - Alpha-coded (A-F) SDO scheme - Includes holidays and paydays - ScratchPad feature - Works offline - No ads or in-app purchases ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/2023-colorcal-usps-calendar/id1642858325/reviews.md ### 1/5 — They must’ve retired *2025-01-08* Where the heck is 2025??? ### 5/5 — Does the trick! *2023-01-15* I absolutely loved the 2022 app and the 2023 is just as great! It is so convenient for me to click on the months to see when I am going to be off, so I can schedule my doctors appointments accordingly. Thank you! ## Frequently asked questions about 2023 ColorCal USPS calendar ### What is ColorCal used for? ColorCal is a productivity app designed to display a color-coded and alpha-coded calendar specifically for USPS Letter Carriers and Clerks. It highlights scheduled days off, federal holidays, and paydays. ### Does ColorCal have ads? No, ColorCal is ad-free. The app explicitly states it does not contain SPAM, Ads, pop-ups, nag screens, or push notifications, ensuring an uninterrupted user experience. ### What devices does ColorCal support? ColorCal is available for iPhone and iPod devices. It is designed to work without connectivity, making it accessible even without an internet connection. ### How often is ColorCal updated? The latest version of ColorCal is 1.02, which was last updated on October 19, 2022. The app spans from October 2022 through January 2024. ### Can I customize the SDO scheme in ColorCal? The SDO scheme in ColorCal matches readily available calendars but may not match yours exactly, as there are many variations. The app does not offer customization for these schemes. ### What is the rating for ColorCal? ColorCal has a rating of 2.3 stars from 3 ratings. Users should consider this feedback when evaluating the app. ### Does ColorCal collect personal data? No, ColorCal does not collect, save, or ask for any personal information. It operates without connectivity and ensures user privacy. ### What is the age rating for ColorCal? ColorCal has an age rating of 4+. This indicates it is suitable for users aged 4 and above. ## Version history (last 3 releases) ### 1.02 — 2022-10-19 Added Pay Period list and made minor interface changes ### 1.01 — 2022-10-05 minor error corrections ### 1.0 — 2022-09-01 No release notes. ## Apps similar to 2023 ColorCal USPS calendar | App | Rating | Price | Category | | --- | --- | --- | --- | | [Queens Bouquet Network](https://appshunter.io/ios/app/queens-bouquet-network/id6443573780) | — | Free | Productivity | | [Nextech EDGE User Conference](https://appshunter.io/ios/app/nextech-edge-user-conference/id1667966680) | 4.8 (38) | Free | Productivity | | [SILP CGIL](https://appshunter.io/ios/app/silp-cgil/id6443936240) | — | Free | Productivity | | [PAKISTAN Online E-Services](https://appshunter.io/ios/app/pakistan-online-e-services/id6443672820) | 1.0 (1) | Free | Productivity | | [掌中薪资条](https://appshunter.io/ios/app/id6443419060) | — | Free | Productivity | | [PRO SOUND INFO](https://appshunter.io/ios/app/pro-sound-info/id1669709860) | — | Free | Productivity | ## More apps by Preston Fung - [2022 ColorCal](https://appshunter.io/ios/app/2022-colorcal/id1583296283) - [Notey by FourCatsApp](https://appshunter.io/ios/app/notey-by-fourcatsapp/id6444195507) - [2024 ColorCal by FourCatsApp](https://appshunter.io/ios/app/2024-colorcal-by-fourcatsapp/id6466098499) - [2025 ColorCal](https://appshunter.io/ios/app/2025-colorcal/id6670420847) - [2026 USPS ColorCal Calendar](https://appshunter.io/ios/app/2026-usps-colorcal-calendar/id6752637004) All apps by Preston Fung: https://appshunter.io/developer/1528761745 ## Related topics [postal calendar](https://appshunter.io/ios/topics/postal-calendar) · [nalc](https://appshunter.io/ios/topics/nalc) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*