Comparison

Minimal Interval Timer vs KesselRUN Running

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Minimal Interval Timer

This app offers a streamlined approach to interval training, allowing users to quickly set up and monitor their workout sessions. Its minimalist design prioritizes efficiency and ease of use, making it ideal for various fitness routines without distractions.

Highlights
  • Super fast setup
  • Distraction-free design
  • Large, readable timer
  • Minimalistic interface
  • Ideal for HIIT and boxing
Features
Read full description

Minimal Interval Timer is the simplest and fastest way to set up and track your interval workouts. Designed for efficiency, it focuses solely on what matters: getting your session started without any unnecessary steps. Key Features: β€’ Super fast setup – Adjust your rounds and time in seconds. β€’ Distraction-free design – No ads, no unnecessary features. β€’ Large, readable timer – Easy to see at a glance. β€’ Simple yet effective – Ideal for boxing, HIIT, and fitness routines. No complexity, just a minimalistic interval timer that gets the job done.

About

KesselRUN Running

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KesselRUN stands out from traditional running apps. It is not another β€œgo 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 appsβ€”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, β€œPunch it!” β€” 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: β€’ Interval-First Architecture – Built from the ground up around timer-based interval running, not retrofitted from a GPS distance tracker. β€’ Fully Customizable Programs – Create structured training plans that match your goals, current fitness, available time, and preferred intensity. β€’ Fully Customizable Workouts – Tune warmups, cooldowns, run segments, walk/recovery segments, rounds, and timing so your workout fits you. β€’ HIIT for Maximum Calorie Burn – Short, intense efforts raise workout intensity and make limited training time highly effective. β€’ Fast-Twitch Stimulation – Sprint-style intervals recruit powerful muscle fibers that steady walking and easy jogging ignore. β€’ Cardio Without the Boredom – Push, recover, repeat, and finish feeling like you actually trained. β€’ 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: β€’ Run/walk HIIT sessions & sprint workouts β€’ Weight-loss-focused cardio training β€’ Beginner-friendly custom running plans β€’ 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.

Screenshots

Minimal Interval Timer3 screens
KesselRUN Running4 screens

Verdict

The call

The clearest difference is update cadence: Minimal Interval Timer at every 4 days against KesselRUN Running's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Minimal Interval Timer ships an update every 4 days, KesselRUN Running every 9 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

Scorecard1 real difference Β· 7 level
Minimal Interval Timer versus KesselRUN Running: the parameters behind the verdict, then further details
ParameterMinimal Interval TimerKesselRUN Running
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 4 days β€” betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.1 β€” better
Further details β€” not scored
Size1 MB33 MB
Age rating4+4+
DeveloperMaxime, Benoit FREREThreeLees LLC

In-app purchases

None

Minimal Interval Timer

No in-app purchases

None

KesselRUN Running

No in-app purchases

Questions

Is Minimal Interval Timer free?
Minimal Interval Timer is free to download, with no in-app purchases.
Is KesselRUN Running free?
KesselRUN Running is free to download, with no in-app purchases.
Do Minimal Interval Timer or KesselRUN Running have ads?
Neither Minimal Interval Timer nor KesselRUN Running shows ads.
Which is updated more often, Minimal Interval Timer or KesselRUN Running?
Minimal Interval Timer ships an update every 4 days, and KesselRUN Running every 9 days. Most recently, Minimal Interval Timer was updated on October 2, 2026 and KesselRUN Running on October 6, 2026.

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