Interval Run: Treadmill Coach

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Everyone
10+
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Content rating
Everyone
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About this app

Exercise healthily, backed by science.

Doing intervals on your own usually means watching the clock more than the run. Every minute you have to speed up, change the incline and remember what comes next. Interval Run does that part for you, by voice. Put your earbuds in and just follow what you hear.

[Treadmill mode]
It tells you ahead of time when to change, to what speed and to what incline. It even allows for the few seconds your belt needs to catch up, so each change is called early and you hit the new pace right as the phase starts.

[Outdoor mode]
Outside, GPS tracks your distance and pace. Drift below your target and the coach says "a little faster", so there is no need to pull out your phone. Every run is saved with its route on a map.

[14 proven interval programs]
Both modes use the same programs, from walking to sprints. Pick the one that fits where you are today.
- Beginner: Run-Walk, Power Walk, Slow Jogging, Easy Run
- Intermediate: Lose Weight, Endurance, Tempo, Pyramid, Fartlek, Hill Repeats, Legs Strengthening
- Advanced: 4 × 4 Intervals, Hill Sprints, Agility Booster
Exercise healthily, backed by science. Treadmill & outdoor intervals by voice
Updated on
Oct 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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What’s new

Now in 8 more languages: Spanish, German, French, Italian, Portuguese, Indonesian, Simplified and Traditional Chinese. Screen and voice coach both follow your device language. Android: the app now asks for notification permission so the outdoor-run notification shows.
Content rating
Everyone
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App support

Phone number
+821043335746
About the developer
유재성
anybodyjs@gmail.com
수지구 성복1로 163번길 19-11 101동 303호 용인시, 경기도 16854 South Korea