# Interval Timer: Circuit & HIIT — Workout, Boxing & Tabata > Customizable interval timer for circuit, HIIT, and other timed activities. (iPhone/iPad app by ShenZhen Niddles Technology Co., Ltd..) - Source: https://appshunter.io/ios/app/interval-timer-circuit-and-hiit/id6810989259 (this page in markdown: same URL + `.md`) - Developer: [ShenZhen Niddles Technology Co., Ltd.](https://appshunter.io/developer/1829412162) - Category: Health & Fitness, Sports - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 12+ - Requires: iOS 15.0 · 35 MB - Languages: American English, Arabic, Danish, Dutch, Finnish, French (France), German (Germany), Hebrew, Indonesian, Italian and 11 more - Released: 2026-10-02 - Data updated: 2026-10-24 - Monetization: freemium ## What is Interval Timer? Interval Timer: Circuit & HIIT is a clean, flexible training timer built to keep every workout moving. Set up a session in seconds, follow clear cues while you train, and stay focused on the next interval instead of the clock. BUILD CIRCUIT AND HIIT WORKOUTS * Set work and rest durations * Choose the number of rounds and sets * Add preparation time, breaks between sets, and a cool-down * Create custom sequences with individually named intervals * See the total session time before you begin FOLLOW EVERY PHASE * Use sound, vibration, and spoken phase guidance * Enable countdown and halfway alerts * See the current phase, remaining time, round, and set at a glance * Pause, resume, or move between workout phases when needed START FAST * Begin with ready-to-use quick-start presets * Save named timer setups for routines you repeat * Adjust your timer without navigating through complicated menus REVIEW YOUR TRAINING * Browse completed workouts on a calendar * Filter your history by week, month, or all time * Review workout count, total training time, and completed rounds MADE FOR YOUR ROUTINE Use Interval Timer: Circuit & HIIT for HIIT, Tabata, circuit training, boxing, running, cycling, stretching, mobility work, home workouts, study sessions, or any activity that alternates focused effort and recovery. Simple controls, clear feedback, and flexible timing help you spend less time setting up and more time doing the work. INTERVAL TIMER PRO Upgrade to Pro for unlimited custom timers, advanced interval training, audio coaching, screen-lock training, music support, and saved workouts. Subscription Instructions: Interval Timer Pro includes auto-renewing subscriptions. Payment will be charged to your iTunes account. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel anytime in Account Settings. Free trial eligibility may apply. Refunds follow Apple policies. We'd love to hear from you! Feedback & Support: sps-team@needodo.com Privacy Policy: https://api-cle.needodo.com/acchtml/timer/privacy.html Terms of Service: https://api-cle.needodo.com/acchtml/timer/terms.html ## Key features - Customizable work/rest durations - Multiple rounds and sets - Preparation and cool-down times - Named custom intervals - Sound, vibration, and spoken cues - Workout history calendar ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Weekly Subscription | $9.99 | per 7 days | | Monthly Subscription | $19.99 | per month | | Yearly Subscription | $59.99 | per year | ## Is Interval Timer safe? Not enough ratings yet to assess Interval Timer. ## Is Interval Timer legit? Interval Timer: Circuit & HIIT appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Interval Timer is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Frequently asked questions about Interval Timer ### What is Interval Timer's primary function? Interval Timer is designed to be a flexible training timer that helps users set up and follow various workout routines, including HIIT, circuit training, and Tabata. It focuses on providing clear cues and minimizing distractions so users can concentrate on their exercise. ### Can I create my own custom workout sequences in Interval Timer? Yes, you can create custom sequences with individually named intervals, allowing for highly personalized workout structures. This feature lets you define specific work and rest durations for each part of your routine. ### How does Interval Timer provide guidance during workouts? Interval Timer offers multiple guidance methods, including sound alerts, vibration, and spoken phase guidance. It also displays the current phase, remaining time, round, and set at a glance, ensuring you stay informed. ### What kind of workout history does Interval Timer offer? The app provides a workout history accessible via a calendar, allowing you to browse completed workouts. You can filter this history by week, month, or all time and review metrics like workout count and total training time. ### What features are included in Interval Timer Pro? Interval Timer Pro unlocks unlimited custom timers, advanced interval training options, audio coaching, screen-lock training, music support, and the ability to save workouts. These features are available through auto-renewing subscriptions. ### What are the subscription options for Interval Timer Pro? Interval Timer Pro offers weekly, monthly, and yearly subscription plans. The weekly plan costs $9.99 and includes a 3-day free trial, while the monthly plan is $19.99 and the yearly plan is $59.99 with a 7-day free trial. ### How can I manage or cancel my Interval Timer Pro subscription? Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. You can manage or cancel your subscription at any time by navigating to your Account Settings. ### Is Interval Timer available on multiple devices? Based on the provided data, Interval Timer is supported on iPhone and iPod. It is designed for iOS devices. ## Version history (last 4 releases) ### 1.0.3 — 2026-10-21 Thank you for updating Interval Timer! Here's what's new: - Bug fixes and performance improvements We appreciate your continued support! ### 1.0.2 — 2026-10-14 Thank you for updating Interval Timer! Here's what's new: - Bug fixes and performance improvements We appreciate your continued support! ### 1.0.1 — 2026-10-12 Thank you for updating Interval Timer! Here's what's new: - Bug fixes and performance improvements We appreciate your continued support! ### 1.0 — 2026-10-02 No release notes. ## Apps similar to Interval Timer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Standy](https://appshunter.io/ios/app/standy/id6503719720) | — | Free | Health & Fitness | | [Squat Buddy: Stand Up Reminder](https://appshunter.io/ios/app/squat-buddy-stand-up-reminder/id6747948166) | 4.8 (57) | Free | Health & Fitness | | [ContinuousCare Health App](https://appshunter.io/ios/app/continuouscare-health-app/id674531353) | 4.5 (8) | Free | Health & Fitness | | [SCA Professor](https://appshunter.io/ios/app/sca-professor/id6746805340) | — | Free | Health & Fitness | | [Makana: Salud y Hábitos](https://appshunter.io/ios/app/makana-salud-y-habitos/id6745032291) | — | Free | Health & Fitness | | [Walk the World: Virtual Trails](https://appshunter.io/ios/app/walk-the-world-virtual-trails/id6743502929) | 4.4 (199) | Free | Health & Fitness | ## More apps by ShenZhen Niddles Technology Co., Ltd. - [Secret Photo Vault : PSV](https://appshunter.io/ios/app/secret-photo-vault-psv/id6749229775) - [Photo Cleaner - PicSweep](https://appshunter.io/ios/app/photo-cleaner-picsweep/id6760340670) - [Fly Into Focus: Focus Timer](https://appshunter.io/ios/app/fly-into-focus-focus-timer/id6761764732) - [Sunrise & Sunset Tracker](https://appshunter.io/ios/app/sunrise-and-sunset-tracker/id6767214291) - [QR Code Scanner - Easy to Scan](https://appshunter.io/ios/app/qr-code-scanner-easy-to-scan/id6777988019) - [Drone Forecast: AirMap & Wind](https://appshunter.io/ios/app/drone-forecast-airmap-and-wind/id6789496710) All apps by ShenZhen Niddles Technology Co., Ltd.: https://appshunter.io/developer/1829412162 ## Related topics [circuit timer workout](https://appshunter.io/ios/topics/circuit-timer-workout) · [workout interval timer music](https://appshunter.io/ios/topics/workout-interval-timer-music) --- *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 2026-10-24.*