# Delta Timer △ — HIIT & Tabata > Customizable interval timer for HIIT, Tabata, and circuit training. (iPhone/iPad app by Thomas Delgado Dias.) - Source: https://appshunter.io/ios/app/delta-timer/id6748762829 (this page in markdown: same URL + `.md`) - Developer: [Thomas Delgado Dias](https://appshunter.io/developer/944281589) - Category: Health & Fitness, Utilities - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 18.1 · 12 MB - Languages: English, Portuguese - Released: 2025-11-11 - Data updated: 2026-08-22 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/delta-timer/id6748762829/reviews.md ## What is Delta Timer △? Delta Timer is a simple yet powerful interval timer built to keep you focused during training. It helps guide your HIIT, Tabata, or any other interval-based workout with ease and precision. Whether it’s HIIT, Tabata, EMOM, strength circuits, or a custom routine, Delta Timer adapts to your rhythm — guiding you through every round. Check some of the Delta Timer features: Customizable workouts: Create and fine-tune your training structure — from quick Tabata bursts to complete circuit sessions. Adjust exercise, rest, warmup, cooldown, and round durations with ease. Minimal and intuitive design: A distraction-free interface that keeps you aware of every phase of your workout, even mid-movement. Light and Dark Modes: Train comfortably anywhere, with a look that adapts to your environment. Free and ad-free: All essential features are available for free. No subscriptions, no clutter. ## Key features - Customizable workout creation - Adjustable exercise and rest durations - Minimalist, distraction-free interface - Light and dark modes - Supports HIIT, Tabata, EMOM, and circuits ## Frequently asked questions about Delta Timer △ ### What types of workouts can Delta Timer be used for? Delta Timer is designed for interval-based training, including HIIT, Tabata, EMOM, strength circuits, and custom routines. You can create and fine-tune your training structure for each. ### Is Delta Timer free to use? Yes, Delta Timer is completely free to use. All essential features are available without any cost, and it does not require subscriptions. ### Does Delta Timer have ads? No, Delta Timer is ad-free. The app is designed to provide a distraction-free training experience without any advertisements. ### What devices does Delta Timer support? Currently, Delta Timer is available for iPhone. It is designed to offer a seamless experience on Apple's mobile devices. ### How often is Delta Timer updated? The latest version of Delta Timer is 1.3.1, which was last updated on January 30, 2026. Updates aim to improve functionality and user experience. ### What is the age rating for Delta Timer? Delta Timer has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ### Can I customize workout durations in Delta Timer? Yes, Delta Timer allows for highly customizable workouts. You can adjust exercise, rest, warmup, cooldown, and round durations to fit your specific training needs. ### What is the user sentiment for Delta Timer based on ratings? Delta Timer has received a perfect rating of 5.0 stars from one review, indicating a highly positive initial user reception. ## Version history (last 5 releases) ### 1.3.1 — 2026-01-30 New personalized onboarding! Now you can configure your HIIT workout the first time you open the app: set the duration of each round, how many rounds to do, and the ideal rest time for you. ### 1.3 — 2026-01-29 New personalized onboarding! Now you can configure your HIIT workout the first time you open the app: set the duration of each round, how many rounds to do, and the ideal rest time for you. ### 1.2 — 2026-01-27 New personalized onboarding! Now you can configure your HIIT workout the first time you open the app: set the duration of each round, how many rounds to do, and the ideal rest time for you. ### 1.1 — 2025-11-29 In this update, we've focused on enhancing your experience and ensuring the app runs smoothly: Audio Fixes: We've squashed a bug that was causing issues with the app's sound system. Your audio should now play flawlessly every time. Timer Notifications: Never lose track of your sessions again! We've implemented new notifications that will alert you every time the timer changes state, keeping you perfectly in the loop. Thank you for your continued support! As always, we welcome your feedback. ### 1.0 — 2025-11-11 No release notes. ## Apps similar to Delta Timer △ | App | Rating | Price | Category | | --- | --- | --- | --- | | [Fit Run: Corra Fartlek com IA](https://appshunter.io/ios/app/fit-run-corra-fartlek-com-ia/id6743770507) | — | Free | Health & Fitness | | [Run Plan: Train & Track](https://appshunter.io/ios/app/run-plan-train-and-track/id6743841245) | — | Free | Health & Fitness | | [Zenther: AI Calorie Tracker](https://appshunter.io/ios/app/zenther-ai-calorie-tracker/id6748252780) | 3.7 (3) | Free | Health & Fitness | | [Fartlek: AI Running Intervals](https://appshunter.io/ios/app/fartlek-ai-running-intervals/id6752724674) | — | Free | Health & Fitness | | [penso: journal & mood tracker](https://appshunter.io/ios/app/penso-journal-and-mood-tracker/id6758278045) | — | Free | Health & Fitness | | [Piknini](https://appshunter.io/ios/app/piknini/id6670794006) | — | Free | Health & Fitness | ## More apps by Thomas Delgado Dias - [Budget: Expense Tracker](https://appshunter.io/ios/app/budget-expense-tracker/id1553102001) All apps by Thomas Delgado Dias: https://appshunter.io/developer/944281589 --- *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 2026-08-22.*