# KesselHIIT — Customizable HIIT & Tabata app > Customizable HIIT and Tabata interval timer with smart voice coaching and privacy focus. (iPhone/iPad app by ThreeLees LLC.) - Source: https://appshunter.io/ios/app/kesselhiit/id6779354068 (this page in markdown: same URL + `.md`) - Developer: [ThreeLees LLC](https://appshunter.io/developer/6778656941) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 34 MB - Languages: American English - Released: 2026-06-16 - Data updated: 2026-08-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/kesselhiit/id6779354068/reviews.md ## What is KesselHIIT? Transform your training with KesselHIIT - the ultimate customizable interval timer built for anyone who values focus, flexibility, and absolute privacy. Our app is completely free! Whether you are crushing a home workout, lifting at the gym, or pushing your limits outdoors, KesselHIIT gives you complete control over your training structure. Say goodbye to constantly checking your screen. With intelligent text-to-speech (TTS) audio cues, you can keep your eyes on the goal and your mind in the zone. High-intensity interval training (HIIT) is proven to boost cardiovascular fitness, spike endurance, support fat loss, and maximize time efficiency. KesselHIIT takes the friction out of high-intensity training, making your custom routines effortless to build, repeat, and personalize. Why Choose KesselHIIT? • Complete Circuit Customization: Build fully custom HIIT circuits, Tabata routines, and AMRAP sessions tailored to your fitness level. • Your Exercises, Your Way: Easily create, modify, and manage your own exercise library. • Smart Voice Coaching (TTS): Add custom spoken notifications using text-to-speech so you always know what exercise or rest interval is up next. • Precision Timing: Set exact durations for work, rest, preparation, and transition phases. • Privacy-First Design: We believe your data is yours alone. KesselHIIT requires no location tracking, no unnecessary permissions, and zero data harvesting. • Completely Free: Get premium, distraction-free interval tracking without a paywall. The Straightforward Workout Timer You’ve Been Looking For From rapid cardio conditioning and bodyweight circuits to complex, multi-exercise weight training, KesselHIIT delivers the exact flexibility you need to train your way. Download KesselHIIT today and experience a cleaner, smarter, and entirely private way to smash your fitness goals. KesselHIIT is part of the KesselFit.com family. ## Key features - Customizable HIIT, Tabata, and AMRAP circuits - Personalized exercise library - Text-to-speech voice coaching - Precision work and rest timing - Privacy-first data handling - Completely free to use ## Frequently asked questions about KesselHIIT ### What types of workouts can I create with KesselHIIT? KesselHIIT allows you to build fully custom HIIT circuits, Tabata routines, and AMRAP (As Many Rounds As Possible) sessions. You can tailor these to your specific fitness level and preferences. ### How does KesselHIIT ensure user privacy? KesselHIIT is designed with a privacy-first approach. It requires no location tracking, no unnecessary permissions, and does not engage in data harvesting, ensuring your training data remains yours alone. ### Does KesselHIIT offer audio guidance during workouts? Yes, KesselHIIT features smart text-to-speech (TTS) audio cues. You can add custom spoken notifications to know exactly what exercise or rest interval is coming up next, allowing you to focus on your training. ### Is KesselHIIT free to use? Yes, KesselHIIT is completely free. You can access all its premium interval tracking features without any paywalls or hidden costs. ### What devices is KesselHIIT available on? KesselHIIT is available on iPhone, iPad, and iPod. It is designed to provide a seamless experience across these Apple devices. ### How often is KesselHIIT updated? The latest version of KesselHIIT is 1.0.18, and it was last updated on July 7, 2026. This indicates a commitment to ongoing development and improvements. ### What is the user sentiment for KesselHIIT? KesselHIIT has received an excellent rating of 5.0 stars from 2 ratings, suggesting a very positive user experience among its current users. ### Does KesselHIIT have ads? No, KesselHIIT does not contain advertisements. The app is designed to be distraction-free, offering a premium interval tracking experience without any ads. ## Version history (last 5 releases) ### 1.0.18 — 2026-07-07 No changes made to the app but made database more secure and wanted the version to match the Play Store version. ### 1.0.17 — 2026-06-29 Fixed a bug after onboarding ### 1.0.14 — 2026-06-21 - Fixed Apple Sign in and loading loop. - Fixed TTS spoken notifications and cues timing ### 1.0.11 — 2026-06-19 - New unified authentication with Email, Sign in with Google, and Sign in with Apple options ### 1.0.7 — 2026-06-16 No release notes. ## More apps by ThreeLees LLC - [KesselFIT](https://appshunter.io/ios/app/kesselfit/id6778656938) - [KesselRUN Running](https://appshunter.io/ios/app/kesselrun-running/id6781022500) All apps by ThreeLees LLC: https://appshunter.io/developer/6778656941 --- *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 2026-08-01.*