# Circuit Interval Timer — HIIT, Tabata,Gym,Workout Timer > Free customizable interval timer for fitness, workouts, and productivity. (iPhone/iPad app by Hubab Elrofai.) - Source: https://appshunter.io/ios/app/circuit-interval-timer/id6478180156 (this page in markdown: same URL + `.md`) - Developer: [Hubab Elrofai](https://appshunter.io/developer/1732132690) - Category: Health & Fitness, Utilities - Price: Free - Rating: 5.00/5 from 5 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 17 · 35 MB - Languages: English - Released: 2024-02-23 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/circuit-interval-timer/id6478180156/reviews.md ## What is Circuit Interval Timer? Free interval timer app for creating timers with repeatable custom intervals and custom alerts to notify you when an interval starts or ends. Are you a fitness enthusiast looking for a versatile timer for workouts that adapts to your needs? Look no further than Circuit Timer! Whether you're into HIIT, interval training, tabata, gym, crossfit or boxing then Circuit Timer does what you need. Customizable Intervals: - Custom interval duration - Custom alert when an interval starts or ends - Repeat intervals Personalized Alerts: Choose how you want to be notified when intervals start or end. Select from a variety of built-in sounds, custom voice alerts or custom haptics on watch. Watch App: Run timers on-the-go from your watch with vibration or voice alerts. Start custom repeatable timers from watch with a custom duration and repeat count. Unleash the power of a free personalized interval timer with Circuit Timer - the ultimate tool for fitness enthusiasts and productivity seekers alike. Elevate Your Fitness Routine: • Craft custom workouts tailored to your fitness goals • Crossfit timer • HIIT timer • Tabata timer • Boxing timer • Excercise timer • Stay motivated with personalized alerts and audio cues • Customize intervals for optimal time management • Achieve your tasks efficiently with precise timing and reminders Flexible and Powerful: • Create timers with unlimited intervals each with a custom duration and custom alert • Programmatic repeating timer. Option to choose repeat count for timers, intervals and group of intervals • Set custom alerts that go off when an interval starts or ends Experience the freedom to control your time and optimize your performance with Circuit Timer. Download now and unlock the potential of every moment! ## Key features - Customizable interval duration - Repeat intervals - Personalized alerts (sound, voice, haptics) - Watch app integration - Unlimited intervals per timer - Programmatic repeating timers ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/circuit-interval-timer/id6478180156/reviews.md ### 5/5 — Exactly what I was looking for. I’d give it more stars if I could. *2024-10-29* I’m using it for gesture drawing practice. It has the perfect feature set for me. My only suggestion would be to allow circuits to be reordered. I don’t need it; it’d just be nice. ### 5/5 — Great for yin yoga practice! *2024-07-07* Delighted with this app. Just what I needed; not too little, not overblown with useless features. Just works! ## Frequently asked questions about Circuit Interval Timer ### What types of workouts can Circuit Interval Timer be used for? Circuit Interval Timer is versatile and can be used for various workouts including HIIT, Tabata, gym sessions, CrossFit, and boxing. It allows you to craft custom workouts tailored to your specific fitness goals. ### Can I customize the alerts in Circuit Interval Timer? Yes, you can personalize alerts to notify you when an interval starts or ends. Options include a variety of built-in sounds, custom voice alerts, and custom haptics specifically for watch devices. ### Does Circuit Interval Timer have a watch app? Yes, Circuit Interval Timer offers a watch app that allows you to run timers directly from your wrist. You can receive vibration or voice alerts and start custom repeatable timers with specific durations and repeat counts. ### How many intervals can I create with Circuit Interval Timer? You can create timers with an unlimited number of intervals. Each interval can have its own custom duration and a custom alert to signal its start or end. ### Is Circuit Interval Timer free to use? Yes, Circuit Interval Timer is completely free to use. It does not require any payment to access its features. ### What devices does Circuit Interval Timer support? Circuit Interval Timer is available for both watch devices and iPhones. This allows for seamless workout tracking and management across your Apple ecosystem. ### How often is Circuit Interval Timer updated? The app was last updated on June 22, 2024, indicating active development and support. The latest version is 1.0.21. ### What is the age rating for Circuit Interval Timer? Circuit Interval Timer has an age rating of 4+, making it suitable for a wide range of users. This indicates it contains no mature content. ## Version history (last 5 releases) ### 1.0.21 — 2024-06-22 Stability improvements ### 1.0.20 — 2024-05-20 Stability improvements and bug fixes. ### 1.0.19 — 2024-05-07 Stability improvements and bug fixes. ### 1.0.18 — 2024-04-28 Stability updates and bug fixes ### 1.0.17 — 2024-04-26 Stability improvements and bug fixes. Adds watch companion app ## Apps similar to Circuit Interval Timer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Daily Timers](https://appshunter.io/ios/app/daily-timers/id1096116021) | 1.0 (1) | Free | Health & Fitness | | [Interval Timer - Simplified](https://appshunter.io/ios/app/interval-timer-simplified/id6467514861) | 5.0 (7) | Free | Health & Fitness | | [Tabata Timer - Boxing Timer](https://appshunter.io/ios/app/tabata-timer-boxing-timer/id6474062808) | 4.1 (8) | Free | Health & Fitness | | [Blanco Sleep Sounds](https://appshunter.io/ios/app/blanco-sleep-sounds/id6450190324) | — | Free | Health & Fitness | | [Third Alarm Coaching](https://appshunter.io/ios/app/third-alarm-coaching/id1536432679) | 5.0 (2) | Free | Health & Fitness | | [Apollon posture](https://appshunter.io/ios/app/apollon-posture/id1555643641) | — | Free | Health & Fitness | --- *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 2026-06-10.*