# Planfit

> Planfit is an AI personal trainer app that builds personalized workout plans, logs your sets and reps, and coaches your form. The website offers a free exercise library with step-by-step instructions and demonstration videos, a fitness blog grounded in exercise science, free training calculators, side-by-side exercise comparisons, and a community for training questions.

Planfit is available on iOS and Android. The web experience is multilingual (English, Korean, Japanese, German, Spanish, French); links below point to the English version. Exercise, blog, tools, comparison, and community pages are the primary openly accessible content. Subscription, onboarding, login, and app-redirect pages are transactional flows and are intentionally omitted.

## Core content

- [Exercise library](https://planfit.ai/en/exercise): Browse exercises by muscle group and equipment, each with instructions and demonstration videos. The muscle-group and equipment indexes are listed below.
- [Workout routines](https://planfit.ai/en/workouts): Ready-made workouts by split (push, pull, legs, upper body, full body) and by muscle group and equipment, each listing the exercises it contains.
- [Blog](https://planfit.ai/en/blog): Evidence-based articles on training, programming, and exercise science, grouped into the topics listed below.
- [Exercise comparisons](https://planfit.ai/en/bench-press-vs-push-up): Side-by-side comparisons of two exercises — muscles worked, form, equipment, and which to pick. Comparisons exist only for a curated set of pairs, not for every combination of exercises; any other pair returns 404. The comparison sitemaps below list every pair that exists.
- [Community](https://planfit.ai/en/community): User questions and discussion about exercises and training.

## Exercise indexes

Browse pages that list every Planfit exercise in one group, ranked by popularity, with the equipment and difficulty of each. Indexes exist only for the muscle groups and equipment listed here. Any other slug under /en/exercise/ is an individual exercise page, and a slug that is neither returns 404.

By muscle group:

- [Back exercises](https://planfit.ai/en/exercise/back)
- [Chest exercises](https://planfit.ai/en/exercise/chest)
- [Shoulder exercises](https://planfit.ai/en/exercise/shoulder)
- [Leg exercises](https://planfit.ai/en/exercise/leg)
- [Core exercises](https://planfit.ai/en/exercise/core)
- [Triceps exercises](https://planfit.ai/en/exercise/triceps)
- [Biceps exercises](https://planfit.ai/en/exercise/biceps)
- [Forearm exercises](https://planfit.ai/en/exercise/forearm)
- [Lower back exercises](https://planfit.ai/en/exercise/lower-back)

By equipment:

- [Dumbbell exercises](https://planfit.ai/en/exercise/dumbbell)
- [Barbell exercises](https://planfit.ai/en/exercise/barbell)
- [Crossover cable exercises](https://planfit.ai/en/exercise/crossover-cable)
- [Loop band exercises](https://planfit.ai/en/exercise/loop-band)
- [Smith machine exercises](https://planfit.ai/en/exercise/smith-machine)
- [Kettlebell exercises](https://planfit.ai/en/exercise/kettlebell)
- [Pull-up bar exercises](https://planfit.ai/en/exercise/pull-up-bar)
- [Foam roller exercises](https://planfit.ai/en/exercise/foam-roller)
- [Lat pulldown cable exercises](https://planfit.ai/en/exercise/lat-pulldown-cable)
- [EZ-bar exercises](https://planfit.ai/en/exercise/ez-bar)
- [TRX exercises](https://planfit.ai/en/exercise/trx)

## Blog topics

Blog articles grouped by the question a reader is asking. A topic exists only once at least three articles fit it, so this list is the complete set that exists today.

- [Routines and programming](https://planfit.ai/en/blog/topic/routines): How many sets and reps, training frequency, workout splits, periodization, and deloads.
- [Recovery](https://planfit.ai/en/blog/topic/recovery): Soreness and DOMS, rest days, sleep, stretching, warm-ups, and mobility.
- [Injury and pain](https://planfit.ai/en/blog/topic/injury): Training around pain, rotator cuff and lower back problems, and rehab.
- [Nutrition and supplements](https://planfit.ai/en/blog/topic/nutrition): Protein, creatine and other supplements, meal timing, bulking, and cutting.
- [Cardio and fat loss](https://planfit.ai/en/blog/topic/cardio): Zone 2 and HIIT, cardio-and-lifting order, and fat loss.
- [Muscle growth](https://planfit.ai/en/blog/topic/muscle-growth): The mechanisms behind hypertrophy — mechanical tension, progressive overload, and body recomposition.

## Tools

Free calculators and references. Each runs in the browser with no sign-up, and every page states the formula and assumptions it uses.

- [All tools](https://planfit.ai/en/tools): Index of every Planfit calculator and reference.
- [Body fat calculator](https://planfit.ai/en/tools/body-fat-calculator): Estimate body fat percentage from height, weight, and circumference measurements, with reference ranges by sex.
- [Body type quiz](https://planfit.ai/en/tools/body-type-quiz): Identify an ectomorph, mesomorph, or endomorph tendency and what it implies for training and calorie intake.
- [Calories burned calculator](https://planfit.ai/en/tools/calories-burned-calculator): Calculate calories burned for a given exercise, body weight, and duration using MET values.
- [Muscle anatomy reference](https://planfit.ai/en/tools/muscle-anatomy): Interactive map of the major muscle groups with the exercises that train each one.
- [One rep max calculator](https://planfit.ai/en/tools/one-rep-max-calculator): Estimate your one-rep max from a set you already lifted, with the Epley, Brzycki, and Lombardi formulas and a percentage-of-1RM table by rep count.
- [Barbell plate calculator](https://planfit.ai/en/tools/plate-calculator): Work out which plates to load on each side of a barbell for a target weight, in kilograms or pounds.
- [Protein intake calculator](https://planfit.ai/en/tools/protein-calculator): Calculate daily protein needs from body weight, activity level, and goal, with the research ranges behind them.
- [Steps to calories converter](https://planfit.ai/en/tools/steps-to-calories): Convert a step count into calories burned, adjusted for body weight, height, and walking pace.
- [Steps to miles converter](https://planfit.ai/en/tools/steps-to-miles): Convert a step count into distance in miles or kilometers based on stride length.
- [Water intake calculator](https://planfit.ai/en/tools/water-intake-calculator): Estimate daily water needs from body weight, activity level, and climate.
- [Weekly training volume calculator](https://planfit.ai/en/tools/weekly-volume-calculator): Add up weekly hard sets and tonnage per muscle group and compare them with the 10-20 sets per week range reported in the training volume research.

## App features

These pages describe features of the Planfit mobile app; the actual functionality lives in the app.

- [AI workout generator](https://planfit.ai/en/ai-workout-generator): How Planfit's AI builds a personalized workout plan.
- [AI workout planner](https://planfit.ai/en/ai-workout-planner): How Planfit's AI lays out a full training week — which muscles on which day, weekly volume, and rest days.
- [Free workout plan](https://planfit.ai/en/free-workout-plan): How to get a personalized workout plan with Planfit.

## App

- [Download Planfit](https://planfit.ai/en/download): Get the Planfit app for iOS and Android.
- [Subscribe](https://planfit.ai/en/subscribe): Planfit subscription plans.

## Sitemaps

Complete URL lists. Look pages up here instead of constructing URLs.

- [Sitemap index](https://planfit.ai/sitemap.xml): Entry point to every Planfit sitemap.
- [Exercise comparisons — English](https://planfit.ai/versus-sitemap-en.xml): Every exercise comparison page that exists, in English.
- [Exercise comparisons — Korean](https://planfit.ai/versus-sitemap-ko.xml): Every exercise comparison page that exists, in Korean.
- [Exercise comparisons — Japanese](https://planfit.ai/versus-sitemap-ja.xml): Every exercise comparison page that exists, in Japanese.
- [Exercise comparisons — German](https://planfit.ai/versus-sitemap-de.xml): Every exercise comparison page that exists, in German.
- [Exercise comparisons — Spanish](https://planfit.ai/versus-sitemap-es.xml): Every exercise comparison page that exists, in Spanish.
- [Exercise comparisons — French](https://planfit.ai/versus-sitemap-fr.xml): Every exercise comparison page that exists, in French.

## About

Planfit is a strength-training app published by Planfit Inc., founded in June 2021 by Hyeonwoo Baek. It runs on iOS 15.1 or later, Android.

- Rated 4.7 out of 5 from 67,000+ combined App Store and Google Play ratings
- 4M+ registered users have logged 87M+ exercise entries and 300M+ sets across 16M+ workout sessions
- Gym coverage: 245,000+ gyms across 150 countries, with 9M+ pieces of equipment mapped so plans match what each gym actually has
- Pricing: Free to download. Core AI workout planning, exercise guides and tracking are free; optional premium subscription available.
- Core features: AI-generated personalized workout plans; Automatic set, rep and weight recommendations; 600+ exercise guides with video demonstrations; Workout logging and progress analysis; Voice coaching during workouts
- Funding: Seed round from Springcamp (2021)
- Award: Selected as App of the Day in 114 App Store storefronts (2024)
- Award: Selected for Google's Changgu program for Google Play developers (2022)
- Award: Selected for the Korean government TIPS R&D program (2022)
- Award: Excellence Award, Chung Ju-yung Entrepreneurship Competition (2023)
- [Planfit on the App Store](https://apps.apple.com/us/app/planfit-ai-gym-workout-planner/id1511876936)
- [Planfit on Google Play](https://play.google.com/store/apps/details?id=com.mih.planfit)
- [Terms and conditions](https://planfit.ai/en/terms-and-conditions)
- [Privacy policy](https://planfit.ai/en/privacy)
- [Careers](https://planfit.ai/en/recruit)