# Circle Of Fifths Quick Look — Review Major and minor keys. > Music theory reference for major/minor keys, semitones, and signatures. (iPhone/iPad app by Kevin Monahan.) - Source: https://appshunter.io/ios/app/circle-of-fifths-quick-look/id6504586383 (this page in markdown: same URL + `.md`) - Developer: [Kevin Monahan](https://appshunter.io/developer/1582336057) - Category: Music, Education - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 2 MB - Languages: English - Released: 2024-07-12 - Data updated: 2026-08-25 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/circle-of-fifths-quick-look/id6504586383/reviews.md ## What is Circle Of Fifths Quick Look? Circle of Fifths Quick Look is a simple app that does one thing--let you select Major and minor keys and see their semitones and signatures. Semitones and signatures are just a quick glance away. Works with treble, bass and C clefs. Zoom into the current key and it fills your Apple Watch screen, making it easy to see the semitones and signature. Add the Circle of Fifths Quick Look complication to your favorite watch face. Your Circle of Fifths Quick Look reference is even easier to use and always shows the last key and clef you selected. ## Key features - Major and minor key review - Semitone and signature display - Treble, bass, and C clef support - Apple Watch screen optimization - Watch face complication - Last selected key/clef recall ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/circle-of-fifths-quick-look/id6504586383/reviews.md ### 5/5 — Love this app! *2024-09-18* A stylish and clear/uncluttered app that explains the fundamentals of musical scales and key signatures. It presents each key signature clearly, with easy to understand and operate functionality. A great tool for learning through DIY exploration. There are several available perspectives/formats available for the user to choose from. All easy enough for a beginner to play with and learn from, whether by intuition or accident, while also full of sophisticated details that professionals will appreciate. This app offers a great experience for anybody who loves music, or is simply curious about the musical formulas that organize what we describe as Major and Minor keys. Bravo and thanks to Kevin Monahan for this great app and resource, and for generously sharing it for free! I also highly recommend his other free app for iphone and ipad , “Learn your Keys” ## Frequently asked questions about Circle Of Fifths Quick Look ### What is Circle Of Fifths Quick Look? Circle Of Fifths Quick Look is a free music theory app designed to help you quickly review major and minor keys, their semitones, and signatures. It supports various clefs and offers an optimized experience for Apple Watch. ### What devices does Circle Of Fifths Quick Look support? Circle Of Fifths Quick Look is available on iPhone, iPod, and Apple Watch devices. The app is designed to provide a convenient reference directly on your wrist. ### Does Circle Of Fifths Quick Look have ads? No, Circle Of Fifths Quick Look does not contain advertisements. It is a completely ad-free application, ensuring an uninterrupted user experience. ### How often is Circle Of Fifths Quick Look updated? Circle Of Fifths Quick Look was last updated on July 13, 2024, with version 1.0.2. The developer, Kevin Monahan, released the initial version on July 12, 2024. ### What clefs does Circle Of Fifths Quick Look support? Circle Of Fifths Quick Look supports treble, bass, and C clefs. This allows for a comprehensive reference across different musical notation styles. ### Can I use Circle Of Fifths Quick Look offline? Yes, Circle Of Fifths Quick Look functions as a reference tool and does not require an internet connection to view key signatures and semitones. This makes it useful even without Wi-Fi or cellular data. ### What is the age rating for Circle Of Fifths Quick Look? Circle Of Fifths Quick Look has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ### How does the Apple Watch complication work? You can add the Circle Of Fifths Quick Look complication to your Apple Watch face for immediate access. It will display the last key and clef you selected, making it a convenient on-the-go reference. ## Version history (last 2 releases) ### 1.0.2 — 2024-07-13 Adjusts the layout of signatures for keys with 5 or 6 flats. ### 1.0 — 2024-07-12 No release notes. ## More apps by Kevin Monahan - [Learn Your Keys](https://appshunter.io/ios/app/learn-your-keys/id6504263766) All apps by Kevin Monahan: https://appshunter.io/developer/1582336057 --- *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 2026-08-25.*