HIIT Pro: Interval Timer
Heart Rate, Music & Tabata
About
This interval timer app allows users to create custom workouts for various fitness activities like HIIT, Tabata, and running. It offers heart rate zone training, Spotify music integration, and Apple Watch compatibility for a focused and data-driven fitness experience.
What's New in HIIT Pro
2.0
July 19, 2026
HIIT Pro 2.0 is our biggest update yet: • Train with five customizable heart rate zones, per-interval zone targets, live zone-colored graphs and post-workout time-in-zone insights. • Enjoy a redesigned Apple Watch workout experience with clearer metrics, controls and improved iPhone synchronization. • Sync workout records, saved workouts and preferences through iCloud. • Explore your training consistency with new month, year and multi-year calendars. • Add optional paced breathing guidance to whole workouts or selected intervals. • Discover refreshed onboarding, clearer workout records and interface refinements throughout. This update also includes synchronization, performance and stability improvements.
MoreFAQ
What types of workouts can I create with HIIT Pro?
HIIT Pro supports a wide range of workouts including HIIT, Tabata, running, cycling, rowing, circuits, boxing, and EMOM. You can build custom intervals for warm-up, work, sprint, recovery, and cool-down phases.
Does HIIT Pro integrate with heart rate monitors?
Yes, HIIT Pro offers heart rate zone training by displaying live heart rate from Apple Watch. You can set heart rate targets for intervals and view zone-colored graphs and post-workout insights.
Can I use my own music with HIIT Pro?
HIIT Pro allows you to connect Spotify playlists or assign specific Spotify tracks to intervals. This feature requires Spotify Premium and an internet connection to align music with your workout efforts.
Is HIIT Pro available on Apple Watch?
Yes, HIIT Pro is designed for both iPhone and Apple Watch. You can monitor heart rate, control workouts from your wrist, and receive haptic interval alerts.
Does HIIT Pro have ads?
Yes, HIIT Pro contains advertisements. As it is a free application, advertisements are included to support its development and maintenance.
How does HIIT Pro store my workout data?
Your workout history, saved workouts, and preferences can sync securely through iCloud. Your health information remains under your control and can be saved to Apple Health.
Is there a subscription required for HIIT Pro?
No account or subscription is required to use HIIT Pro. The app is free to download and use, with ads present.
What is the age rating for HIIT Pro?
HIIT Pro has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions.
