Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

About Interval Timer - KNTC

Train with precision. Perform with intent.
KNTC is a powerful interval timer built for athletes, coaches, and anyone who trains with purpose. Whether you’re doing HIIT, sprint training, boxing rounds, or classic Tabata, KNTC gives you a fast, distraction-free timer designed for performance.

Built with a bold, CrossFit-inspired design and a landscape-first workout view, KNTC keeps your focus where it belongs: on the work.
Built for every interval workout

- Interval Timer - Fully customizable work/rest intervals
- HIIT Timer: Perfect for high-intensity interval training
- Sprint Timer: Short, explosive efforts with precise timing
- Boxing Timer: Rounds, rest, and round warnings
- Tabata Timer
- Rounds & Sets: Train by rounds with total control
- Stopwatch: Simple, accurate time tracking

Smart timer input
Create timers in seconds:
- Adjust work, rest, rounds, and sets
- Reuse and tweak workouts instantly
- Designed for speed, no clutter, no friction

Who is KNTC for?
- CrossFit & functional fitness athletes
- Boxers & martial artists
- Runners & sprinters
- Coaches & gyms
- Anyone who trains in rounds, intervals, or Tabata

Designed for real training
- Clear audio cues & voice guidance
- Haptic feedback for hands-free workouts
- High-contrast mode for intense environments
- Optimized landscape display for gym floors and wall mounts

KNTC integrates with the HealthKit to log your workouts.

-- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Show More

What's New in the Latest Version 1.6

Last updated on Apr 29, 2026
Old Versions
- Fixed a bug that caused your device screen to dim during workouts, so you can stay focused and clearly see your metrics throughout every session.
- Minor improvements
Show More
Version History
1.6
Apr 29, 2026
- Fixed a bug that caused your device screen to dim during workouts, so you can stay focused and clearly see your metrics throughout every session.
- Minor improvements

Interval Timer - KNTC FAQ

Click here to learn how to download Interval Timer - KNTC in restricted country or region.

Interval Timer - KNTC Alternative

You May Also Like

Get more from Ruslan Sayfutdinov