# Circuit Colors > Finds electrical circuit phase colors for US, Canada, EU, and UK systems. (iPhone/iPad app by Francisco Alcala.) - Source: https://appshunter.io/ios/app/circuit-colors/id412920859 (this page in markdown: same URL + `.md`) - Developer: [Francisco Alcala](https://appshunter.io/developer/339407925) - Category: Reference, Utilities - Price: $1.99 - Rating: 3.70/5 from 24 App Store ratings · 24 written reviews indexed - Age rating: 4+ - Requires: iOS 17.6 · 1 MB - Languages: American English - Released: 2011-01-06 - Data updated: 2026-08-24 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/circuit-colors/id412920859/reviews.md ## What is Circuit Colors? Circuit Colors is a simple application to find out the phase color for any circuit number. It eliminates the use of cheat sheets or mental calculations or any other method you use now to determine the appropriate phase color of the circuit. Systems Included: US, Canada, EU, UK Add as many panels as you want. +Single Phase or Three Phase Choose the phase colors and combinations + Black, Red, Blue + Brown, Orange, Yellow + Pink, Tan, Purple + White, Green, Gray Choose the numbering style. + Single sided panels numbered down one side. + Double sided panels with conventional "zig zag" numbering.  + Double sided panels with "down then over and down" numbering. Choose your number of circuits from 4 to 1000. ## Key features - Determine phase color by circuit number - Supports US, Canada, EU, and UK systems - Add unlimited electrical panels - Configurable single or three-phase - Customizable phase color combinations - Multiple circuit numbering styles - Supports 4 to 1000 circuits ## Chart rankings - #21 in Top Paid · Reference (US App Store) ## Recent user reviews (10 of 24) All indexed reviews: https://appshunter.io/ios/app/circuit-colors/id412920859/reviews.md ### 2/5 — Fix Apple Watch version to higher numbers *2026-04-15* Can you fix the app for the watch to have higher numbers than 42 please!!!! ### 5/5 — Worth the purchase *2026-02-05* Super useful tool that I utilize daily. ### 2/5 — What happened *2025-01-10* Used to be so good since it can be used on the Apple Watch but now it’s not available for it anymore?? What happened smh ### 2/5 — Correction *2024-12-06* I paid for this application because it had an additional plus and that was that it could be installed on my Applewatch, but after the last update it can no longer be installed. What can you do for me? ### 5/5 — Great app *2022-06-01* App comes in handy. Although, it doesn’t seem possible to custom the colour phases on your Apple Watch. Hope they can fix that. ### 3/5 — Not working anymore....??? *2020-12-14* Not working.... ### 1/5 — Over charged me! *2020-04-10* Says $.99 but u was charged $10.99. ### 5/5 — Great app *2019-09-25* This app is very helpful, I use it on a daily basis it is easy to use and easy to find what color each circuit is and saves me time when I look on the lighting print to find what color to pull. Definitely recommend this app, for commercial, industrial, and residential electricians. ### 5/5 — Circuit colors *2019-02-18* The numbers need to go higher for all the systems my project has multiple 42 circuit panels and they exceed the numbers on this application. Thanks ### 4/5 — Needs number search function *2019-02-07* All this app needs is a number search function so I can search for the number I want ## Frequently asked questions about Circuit Colors ### What electrical systems does Circuit Colors support? Circuit Colors supports electrical systems from the US, Canada, the EU, and the UK. This broad compatibility makes it useful for a wide range of international electrical projects. ### Can I customize the phase colors in Circuit Colors? Yes, you can choose your preferred phase colors and combinations. Options include Black, Red, Blue; Brown, Orange, Yellow; Pink, Tan, Purple; and White, Green, Gray. ### How does Circuit Colors handle different panel numbering styles? Circuit Colors accommodates various panel numbering styles, including single-sided panels numbered down one side, double-sided panels with conventional 'zig zag' numbering, and double-sided panels with 'down then over and down' numbering. ### What is the price of Circuit Colors? Circuit Colors is a paid application, available for a one-time purchase of $0.99. This price grants you access to all its features without ongoing costs. ### What is the user rating for Circuit Colors? Circuit Colors has an average rating of 3.6 stars, based on 21 user ratings. This indicates a generally positive reception from its user base. ### On which devices can I use Circuit Colors? Circuit Colors is compatible with a range of Apple devices, including the Apple Watch, iPhone, and iPad. This allows for convenient access across your ecosystem. ### How often is Circuit Colors updated? The latest version of Circuit Colors is 5.0, and it was last updated on December 2, 2024. This suggests regular maintenance and potential feature additions. ### What is the age rating for Circuit Colors? Circuit Colors has an age rating of 4+, making it suitable for a wide audience, including younger users who may be learning about electrical concepts. ## Version history (last 5 releases) ### 5.0 — 2024-12-02 Complete rewrite of the app. ### 4.1 — 2016-04-19 This app has been updated by Apple to display the Apple Watch app icon. Thank you to Mr. L. Hughes for finding a nasty little bug that would not let you change the number of circuits in a panel. That bug has been squashed. ### 4.0 — 2016-03-23 New Apple Watch App. All of your panels from your iOS app are available on your wrist. Default panels circuit increased to 126, fully adjustable. Edit screen has been simplified. ### 3.0 — 2014-10-02 Updated UI for cleaner look and feel. ### 2.0 — 2013-01-31 This update requires iOS 5.0 or higher to get all the goodies. Circuit Colors is now fully customizable. Add as many panels as you want. Single Phase, Three Phase, Black-Red-Blue, Brown-Orange-Yellow, Purple-Tan-Pink, you choose the phase colors. Single Sided panels numbered down one side. Double Sided panels with conventional "zig zag" numbering. Double sided panels numbered down the left and then the right. You choose the numbering style. ## Apps similar to Circuit Colors | App | Rating | Price | Category | | --- | --- | --- | --- | | [SIMpull 600V Calculator](https://appshunter.io/ios/app/simpull-600v-calculator/id682524729) | 4.2 (59) | Free | Reference | ## More apps by Francisco Alcala - [iBend Pipe](https://appshunter.io/ios/app/ibend-pipe/id339407922) - [iBend Offsets](https://appshunter.io/ios/app/ibend-offsets/id377011889) - [My Bender](https://appshunter.io/ios/app/my-bender/id407192267) - [Pipe N Wire](https://appshunter.io/ios/app/pipe-n-wire/id514484008) - [Tabatas Timer](https://appshunter.io/ios/app/tabatas-timer/id1264807726) All apps by Francisco Alcala: https://appshunter.io/developer/339407925 ## Related topics [circuit colors](https://appshunter.io/ios/topics/circuit-colors) · [electrical color](https://appshunter.io/ios/topics/electrical-color) · [electrical circuit color](https://appshunter.io/ios/topics/electrical-circuit-color) · [wire color code](https://appshunter.io/ios/topics/wire-color-code) · [circuit wiring colors](https://appshunter.io/ios/topics/circuit-wiring-colors) · [electrical color code](https://appshunter.io/ios/topics/electrical-color-code) · [electrical wire color codes](https://appshunter.io/ios/topics/electrical-wire-color-codes) --- *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 2026-08-24.*