# Interval Timer - KNTC — Tabata,sprint,boxing,run

> Customizable interval timer for HIIT, boxing, Tabata, and other interval training. (iPhone/iPad app by Ruslan Sayfutdinov.)

- Source: https://appshunter.io/ios/app/interval-timer-kntc/id6756572360 (this page in markdown: same URL + `.md`)
- Developer: [Ruslan Sayfutdinov](https://appshunter.io/developer/1195076753)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 26.0 · 48 MB
- Languages: English
- Released: 2026-01-08
- Data updated: 2026-06-03
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/interval-timer-kntc/id6756572360/reviews.md

## What is Interval Timer?

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/

## Key features

- Customizable work/rest intervals
- HIIT, Sprint, Boxing, and Tabata timers
- Rounds and sets control
- Audio cues and voice guidance
- Haptic feedback
- HealthKit integration

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly Access | $4.99 | per 7 days |
| KNTC Interval Timer Monthly Access | $2.99 | per month |
| KNTC Interval Timer Annual Access | $19.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| KNTC Interval Timer PRO | $29.99 | one-time |



## Frequently asked questions about Interval Timer

### What is Interval Timer - KNTC?

Interval Timer - KNTC is a powerful interval timer designed for athletes and coaches. It offers customizable timers for various training styles like HIIT, boxing, and Tabata, with a focus on a distraction-free performance experience.

### What training styles does Interval Timer - KNTC support?

Interval Timer - KNTC supports a wide range of training styles including HIIT, sprint training, boxing rounds, classic Tabata, and general interval training with customizable rounds and sets.

### Does Interval Timer - KNTC have ads?

No, Interval Timer - KNTC does not contain advertisements, providing a distraction-free workout experience for users.

### What are the subscription options for Interval Timer - KNTC?

Interval Timer - KNTC offers several subscription plans: Monthly Access for $2.99, Weekly Access for $4.99, and Annual Access for $19.99, providing different durations of premium features.

### Can Interval Timer - KNTC track my workouts?

Yes, Interval Timer - KNTC integrates with HealthKit to log your workouts, allowing you to track your training progress directly within your health data.

### What devices is Interval Timer - KNTC available on?

Interval Timer - KNTC is currently available for iPhone devices, optimized for a landscape-first workout view.

### How often is Interval Timer - KNTC updated?

The latest version of Interval Timer - KNTC is 1.6, and it was last updated on April 29, 2026, indicating regular updates from the developer.

### What is the age rating for Interval Timer - KNTC?

Interval Timer - KNTC has an age rating of 4+, making it suitable for a wide range of users interested in fitness and training.

## Version history (last 4 releases)

### 1.6 — 2026-04-29

- 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

### 1.2 — 2026-03-26

- Fixed minor issues

### 1.1 — 2026-01-13

- Fixed minor issues

### 1.0 — 2026-01-08

No release notes.

## More apps by Ruslan Sayfutdinov

- [Agenda Planner - TaskFox](https://appshunter.io/ios/app/agenda-planner-taskfox/id1603291327)
- [Mobile Fax Burner App](https://appshunter.io/ios/app/mobile-fax-burner-app/id6449540941)
- [Paraphrase Tool - Rephraser](https://appshunter.io/ios/app/paraphrase-tool-rephraser/id6468949795)
- [Sentence Corrector](https://appshunter.io/ios/app/sentence-corrector/id6470018102)
- [Writing App - Arbento](https://appshunter.io/ios/app/writing-app-arbento/id6475957514)
- [Clock in and out Hours-Tracker](https://appshunter.io/ios/app/clock-in-and-out-hours-tracker/id6505053987)

All apps by Ruslan Sayfutdinov: https://appshunter.io/developer/1195076753

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*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 2026-06-03.*