# KesselRUN Running — Time-based interval running

> Time-based interval running (iPhone/iPad app by ThreeLees LLC.)

- Source: https://appshunter.io/ios/app/kesselrun-running/id6781022500 (this page in markdown: same URL + `.md`)
- Developer: [ThreeLees LLC](https://appshunter.io/developer/6778656941)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 33 MB
- Languages: American English
- Released: 2026-06-28
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/kesselrun-running/id6781022500/reviews.md

## What is KesselRUN Running?

KesselRUN stands out from traditional running apps. It is not another “go farther, longer, slower” distance tracker. It is a free, privacy-first interval running app and HIIT coach built to make every minute count. KesselRUN is the ultimate non-distance alternative to mainstream running apps—and it is completely free and ad-free!

Instead of asking you to jog forever or rack up endless walking miles, KesselRUN guides you through high-intensity run/walk intervals: bursts of hard running, intentional recovery, and repeatable workouts that keep training exciting. HIIT-style running helps you burn more calories in less time, challenge fast-twitch muscle fibers, improve cardiovascular conditioning, and build fitness without turning every workout into a long slog.

Think of it like a coach in your pocket yelling, “Punch it!” — then giving you permission to recover before the next blast.

The Ultimate Audio Freedom: Customizable Spoken Cues:
Most running apps lock you into generic, pre-recorded audio prompts. KesselRUN changes the game. With our fully customizable text-to-speech (TTS) engine, you control exactly what your coach says and when they say it.

Create Your Own Prompts: Type out custom voice commands for interval changes, halfway marks, or countdowns.

Edit Cues on the Fly: Add, tweak, or completely change any audio notification to match your personality, humor, or motivational style.

Hands-Free Focus: Get clear, real-time spoken guidance without ever having to unlock or look at your phone screen.

Why KesselRUN Beats Other Running Apps:
• Interval-First Architecture – Built from the ground up around timer-based interval running, not retrofitted from a GPS distance tracker.
• Fully Customizable Programs – Create structured training plans that match your goals, current fitness, available time, and preferred intensity.
• Fully Customizable Workouts – Tune warmups, cooldowns, run segments, walk/recovery segments, rounds, and timing so your workout fits you.
• HIIT for Maximum Calorie Burn – Short, intense efforts raise workout intensity and make limited training time highly effective.
• Fast-Twitch Stimulation – Sprint-style intervals recruit powerful muscle fibers that steady walking and easy jogging ignore.
• Cardio Without the Boredom – Push, recover, repeat, and finish feeling like you actually trained.
• Privacy-First by Design – No location tracking. No route maps. No ad network tracking. No background network tracking. Your run data is your business, not someone else’s product.

Whether you are a beginner looking for a smarter alternative to bloated running apps, a walker ready to add powerful bursts, or a runner wanting more intensity without longer mileage, KesselRUN is your simple, private interval coach.

Perfect For:
• Run/walk HIIT sessions & sprint workouts
• Weight-loss-focused cardio training
• Beginner-friendly custom running plans
• Time-efficient, high-intensity cardio days

You control the workout. You control the cues. You control your data.

Train faster. Burn brighter. Run the KesselRUN.

Disclaimer: Always train within your ability, warm up properly, and consult a qualified health professional before starting a new high-intensity exercise program if you have health concerns.

KesselRUN is part of the KesselFIT.com family.


## Version history (last 2 releases)

### 1.0.29 — 2026-07-08

Updated security settings

### 1.0.28 — 2026-06-28

No release notes.

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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 2026-07-17.*