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App Store Apps > Health & Fitness > Kai Running
Kai Running icon

Kai Running

by Les Nants · Health & Fitness · Free
On the App Store since November 2025 · Data updated 2026-11-12

Kai Running is made and published by Les Nants. AppBrain is an independent app data site and isn't affiliated with Les Nants. The app name, icon, screenshots and description belong to Les Nants and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
1.00
1 ratings
Last updated
November 5, 2026
Size
198.5 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

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Store listing

By Les Nants, from the App Store
Kai Running Screenshot 1 of 7
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Screenshots by Les Nants, from the the App Store listing
Description by Les Nants Written by the developer, not by AppBrain. Click to read.
Run from E-rank to S-rank.

Kai Running turns your running training into a manhwa you live. The System chooses you as an E-rank runner and gives you a real training plan for your goal: 5K, 10K, half marathon, marathon or your own race. Every run is a Gate to clear.

A REAL PLAN TO RACE DAY
Tell the System your goal, your level and your race date. It builds a complete plan, week by week, and adapts it when you miss a run.

EVERY RUN IS A GATE
Easy runs are Recon Gates, intervals are Combat Gates, tempo runs are Chases and long runs are Raids. During the run, the System guides you by voice with your pace, your target zone and each rep. Run outdoors with GPS or on a treadmill.

RACE YOUR RIVAL
Ren, your rival, shows up in your hardest sessions. Hold your pace to keep him behind you.

LEVEL UP WITH EVERY RUN
Each Gate you clear raises your stats: Speed, Endurance, Willpower and Recovery. Stats only grow from what you really ran.

WATCH KAI EVOLVE
Clear Gates to rank up from E to A. Kai changes form at every rank. S-rank comes only on race day, with the Rank Exam.

YOUR RUN, DRAWN AS A CHAPTER
After every run, your real performance becomes a short manhwa chapter starring Kai. Read them again in your Archive, and share your chapters, your results and your Hunter License.

Kai Running gives general training guidance, not medical advice. Check with a doctor before you start a new training plan.

Subscription: Kai Running offers an auto-renewing subscription that unlocks the full plan and every Gate. Payment is charged to your Apple ID when you confirm the purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. Manage or cancel it in your App Store account settings.

Terms of Use: https://lesnants.com/terms
Privacy Policy: https://lesnants.com/privacy
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
198.5 MB
Content rating
Everyone

Technologies used by Kai Running

Releases

Updates seen on the App Store
Version
2.0.0
Launched
November 2025

No changelog data

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Rankings

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App Store Rankings for Kai Running

This app is not ranked

About the app and developer

About Kai Running

Kai Running is a health & fitness app developed by Les Nants.

User Ratings

Kai Running is rated 1.00 out of 5 stars. The rating is based on one rating ratings.

App Information

Kai Running is freely available from the App Store. The app size is 198.46 MB. The latest version available is 2.0.0. The last update was on November 5, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since November 2025.

Developer information for Les Nants

Les Nants

Address:

Share Kai Running

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