LeibFit: Readiness & Strength
by Sebastian Leib
· Health & Fitness
· Free
On the App Store since August 2026
· Data updated
LeibFit: Readiness & Strength is made and published by Sebastian Leib. AppBrain is an independent app data site and isn't affiliated with Sebastian Leib. The app name, icon, screenshots and description belong to Sebastian Leib and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- October 10, 2026
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Releases
Updates seen on the App Store- Version
- 2.00
- Launched
- August 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 27.0 MB
- Content rating
- Everyone
Technologies used by LeibFit: Readiness & Strength
About the app and developer
About LeibFit: Readiness & Strength
LeibFit: Readiness & Strength is a health & fitness app developed by Sebastian Leib.
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The app has no ratings yet.
App Information
LeibFit: Readiness & Strength is freely available from the App Store. The app size is 27.03 MB. The latest version available is 2.00. The last update was on October 10, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since August 2026.
Developer information for Sebastian Leib
Address:
Store listing
By Sebastian Leib, from the App Store
Screenshots by Sebastian Leib, from the the App Store listing
Description by Sebastian Leib Written by the developer, not by AppBrain. Click to read.
Your daily readiness every morning in one number from 0 to 10, for iPhone and Apple Watch, no band and no subscription required.
LeibFit combines recovery, sleep and the strain you have already carried today into your readiness. An arc shows where you are today and where you usually are. Your strength training adapts to it. Works with any watch that writes to Apple Health, or directly with your fitness band. Everything stays on your device: no account, no cloud, no tracking.
YOUR READINESS IN ONE NUMBER
A number from 0 to 10 and a word: Go for it, Ready, Pace yourself, Take it easy, In reserve, Wind down. The arc shows your personal range from the last 30 days, and below it you see which signals carry today's number. Missed the night? LeibFit estimates with your answer to "How fit do you feel?". Personal bests show up right away.
SLEEP, RECOVERY, STRAIN
Three lenses in the Health tab, each with its own arc and your own range:
- Recovery from HRV, resting heart rate and sleep, measured against your own 30-day norm.
- Sleep with stages, need, sleep debt, naps and a bedtime for tonight.
- Strain from heart rate zones and training, with today's target.
Share any area or personal best as an image. Plus 30-day trends, heart rate curve and vitals.
YOUR PLAN KNOWS YOUR EQUIPMENT
Tell LeibFit once what you have: barbell, dumbbells, machines, bands or bodyweight. It only plans with what you own, at home, at the gym or both. 91 exercises with explanations.
STRENGTH AND CARDIO IN ONE WEEK
The weekly view shows strength and cardio days side by side, plus your weekly strain against your usual range. AI plan, your own plan or free training. For running and cycling, LeibFit works out today's session: duration, zone, heart rate window.
ADAPT INSTEAD OF GRINDING
Your weight suggestion learns. Hit all reps and it goes up next time. Low recovery and the increase waits. On weak days LeibFit removes unfinished sets.
DURING YOUR WORKOUT
Check off every set, "Last" is right next to it, today's strain and target are in view, the rest timer runs as an arc. The same on your Apple Watch, with complications for readiness and strain.
GOALS, HONESTLY ESTIMATED
Running, weight, fitness or strength goal. The arc shows the way from start to goal and where you typically are this week, as a range, never a promise. No smart scale? Just enter your weight.
YOUR BAND, DIRECTLY
Wear an Amazfit Helio Strap and LeibFit fetches your night directly via Bluetooth, without the maker's app. The connection uses an unofficial interface; a firmware update can interrupt it.
JOURNAL: WHAT LINES UP FOR YOU
A short morning check-in: alcohol, stress, caffeine. After enough days you see which answers line up with recovery, sleep and strain. Correlations, not causes.
YOUR DATA IS YOURS
No account, no servers, no analytics SDK. Health, journal and reminders are switched on one by one. Export any time.
FREE AND LEIBFIT PRO
Readiness, sleep, recovery and strain, journal, your goal with feasibility, sharing and export are free, no subscription. Pro unlocks: creating plans and starting workouts, free training, adapting to your recovery, history and weekly report, the way to your goal, the fitness lens, your own norm and journal correlations. Try Pro free for 7 days, then €6.99/month or €44.99/year. The subscription renews automatically unless cancelled, any time via your Apple ID.
Note: coach chat and AI selection need Apple Intelligence and iOS 26. Everything else runs on iOS 17.6 or later without AI. Guidance, not diagnosis.
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
LeibFit combines recovery, sleep and the strain you have already carried today into your readiness. An arc shows where you are today and where you usually are. Your strength training adapts to it. Works with any watch that writes to Apple Health, or directly with your fitness band. Everything stays on your device: no account, no cloud, no tracking.
YOUR READINESS IN ONE NUMBER
A number from 0 to 10 and a word: Go for it, Ready, Pace yourself, Take it easy, In reserve, Wind down. The arc shows your personal range from the last 30 days, and below it you see which signals carry today's number. Missed the night? LeibFit estimates with your answer to "How fit do you feel?". Personal bests show up right away.
SLEEP, RECOVERY, STRAIN
Three lenses in the Health tab, each with its own arc and your own range:
- Recovery from HRV, resting heart rate and sleep, measured against your own 30-day norm.
- Sleep with stages, need, sleep debt, naps and a bedtime for tonight.
- Strain from heart rate zones and training, with today's target.
Share any area or personal best as an image. Plus 30-day trends, heart rate curve and vitals.
YOUR PLAN KNOWS YOUR EQUIPMENT
Tell LeibFit once what you have: barbell, dumbbells, machines, bands or bodyweight. It only plans with what you own, at home, at the gym or both. 91 exercises with explanations.
STRENGTH AND CARDIO IN ONE WEEK
The weekly view shows strength and cardio days side by side, plus your weekly strain against your usual range. AI plan, your own plan or free training. For running and cycling, LeibFit works out today's session: duration, zone, heart rate window.
ADAPT INSTEAD OF GRINDING
Your weight suggestion learns. Hit all reps and it goes up next time. Low recovery and the increase waits. On weak days LeibFit removes unfinished sets.
DURING YOUR WORKOUT
Check off every set, "Last" is right next to it, today's strain and target are in view, the rest timer runs as an arc. The same on your Apple Watch, with complications for readiness and strain.
GOALS, HONESTLY ESTIMATED
Running, weight, fitness or strength goal. The arc shows the way from start to goal and where you typically are this week, as a range, never a promise. No smart scale? Just enter your weight.
YOUR BAND, DIRECTLY
Wear an Amazfit Helio Strap and LeibFit fetches your night directly via Bluetooth, without the maker's app. The connection uses an unofficial interface; a firmware update can interrupt it.
JOURNAL: WHAT LINES UP FOR YOU
A short morning check-in: alcohol, stress, caffeine. After enough days you see which answers line up with recovery, sleep and strain. Correlations, not causes.
YOUR DATA IS YOURS
No account, no servers, no analytics SDK. Health, journal and reminders are switched on one by one. Export any time.
FREE AND LEIBFIT PRO
Readiness, sleep, recovery and strain, journal, your goal with feasibility, sharing and export are free, no subscription. Pro unlocks: creating plans and starting workouts, free training, adapting to your recovery, history and weekly report, the way to your goal, the fitness lens, your own norm and journal correlations. Try Pro free for 7 days, then €6.99/month or €44.99/year. The subscription renews automatically unless cancelled, any time via your Apple ID.
Note: coach chat and AI selection need Apple Intelligence and iOS 26. Everything else runs on iOS 17.6 or later without AI. Guidance, not diagnosis.
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/