product spotlight
JustGains: Modern Workout Tracker and AI Training Community
Finding the motivation to train consistently is hard enough without having to wrestle with your phone between sets. Between messy Notes app lists, bloated spreadsheets, and subscription-heavy fitness apps that lock basic features away, tracking your physical progress has become far more complicated than it needs to be. JustGains is a modern workout tracker and social fitness platform that brings routines, progress logging, GPS running, nutrition, and friends into one unified space.
What is JustGains?
JustGains is a dedicated workout tracker, training log, and fitness community created for iOS, Apple Watch, Android, and the web. It is built for people who want a reliable, clean way to follow proven routines, record their sets and weights on the gym floor, and stay accountable with their training partners.
Unlike traditional workout logs that feel like sterile spreadsheets, JustGains is social by default. You can follow trusted fitness creators, run routines shared by friends, or have Claude AI assemble a custom workout based on the equipment you have on hand. Once you finish a session, your workout automatically posts to your squad feed where your gym buddies can celebrate your personal records and keep your streak alive.
The problem JustGains solves
Most people who take their fitness seriously end up piecing together their routine from four or five disconnected tools. They save an upper body workout from a YouTube video or an Instagram reel, type their sets and weights into a basic notes app, track weekend runs in a separate GPS app, and count calories in MyFitnessPal.
This fragmented workflow creates real friction. The plan on your phone never quite matches what is available at the dumbbell rack, your historical data is scattered across apps that cannot speak to each other, and when motivation dips on a rainy Tuesday morning, there is nobody around to hold you accountable. JustGains solves this fragmentation by putting your program, your training log, your nutrition, and your workout partners under one roof.
How JustGains works
JustGains turns training into an effortless, repeatable habit through four straightforward steps:
1. Pick, clone, or generate a program: Choose a structured routine created by an experienced coach, clone a friend's favorite split, or ask the built-in Claude AI to generate a session on the fly. For example, you can type "give me a 45-minute shoulder and tricep session using dumbbells and cables" and receive a complete session tailored to your past numbers.
2. Log sets smoothly on the gym floor: Open the session on your phone or Apple Watch. As you complete each exercise, tap to record your weight, reps, and RPE. Auto-calculating rest timers keep you on track so you do not waste ten minutes scrolling social media between compound lifts. You can also view historical weight targets right on the screen.
3. Track cardio routes and daily food: When you are not lifting, use the built-in GPS tracker to map your outdoor runs or bike rides with turn-by-turn route cues. For nutrition, scan a barcode, snap a quick photo of your plate, or type your meal in plain English (like "three scrambled eggs with sourdough toast") to log calories and macros instantly on the official JustGains web app and mobile apps.
4. Celebrate progress with your squad: Every completed workout posts directly to your squad feed. Your training partners can see the exercises you completed, celebrate your new personal bests, and jump into friendly weekly challenges.
Key features of JustGains
- Claude-Powered AI Workout Generator: Ask Claude in plain words to construct a workout for your exact schedule and equipment constraints. The generator looks at your past training history to set realistic weight and rep targets.
- Native Apple Watch and Multi-Device Sync: Leave your phone in your gym locker. Log your entire session, view rest countdowns, and check heart rate directly from your wrist with standalone Apple Watch support.
- Live Partner Workouts: Train simultaneously with your gym buddy. When you start a partner session, both of you can see each other's completed sets and weights in real time on your own phones.
- Built-in GPS Running and Cycling Tracker: No need to run a secondary tracking app. Map custom routes, record pace and elevation, and log your cardio sessions side by side with your heavy squats.
- Multi-Modal Nutrition and Macro Logging: Log your daily meals by barcode scan, photo recognition, or natural language sentences. JustGains breaks down your protein, carbs, and fats without complicated submenus.
- Frictionless Data Import: Already have years of workout history saved in Strong, Hevy, Fitbod, or StrengthLog? You can import your entire CSV history in seconds so you never start from zero. You can also import past food diaries from MyFitnessPal or Cronometer.
Who JustGains is for
- Dedicated Lifters and Strength Athletes: Anyone focused on progressive overload, tracking volume over time, and beating their previous personal records.
- Hybrid Athletes: Runners and cyclists who lift weights and want their lifting volume, GPS runs, and daily calories stored in a single dashboard.
- Everyday Gym-Goers: People who want a straightforward workout log that tells them what to do next without charging a fortune.
- Workout Partners and Gym Squads: Friends who want to hold each other accountable, share routines, and train together remotely or in the same gym.
- Fitness Coaches and Creators: Trainers who want to publish structured programs that their clients and community members can easily follow on the gym floor.
JustGains vs alternatives
JustGains vs Hevy
Hevy is a popular social workout tracker for gym lifters, but it stops short at weight training. It lacks integrated nutrition tracking, does not offer custom GPS route creation for runners, and does not have an AI session generator. JustGains provides a complete training ecosystem by combining lifting, cardio routes, and food tracking in one unified app.
JustGains vs Strong
Strong was one of the earliest workout logging apps on iOS, but its feature set has remained largely unchanged for years. Strong has no social feeds, no squad challenges, no live partner workout sync, and zero nutrition tracking. JustGains offers a modern, actively developed alternative with real-time community accountability and smart Claude AI routines.
Real world use case
Consider Alex, a software engineer who lifts four mornings a week and runs on Saturday mornings. In the past, Alex kept lifting notes in Apple Notes, logged 5K runs on Strava, and tracked meals on MyFitnessPal. Whenever Alex missed a workout, nobody noticed, and comparing lifting progress against running volume required manual calculations.
With JustGains, Alex opens the app at 7:00 AM on Monday, loads a customized upper body routine, and logs sets directly from an Apple Watch while listening to music. When Alex hits a new bench press personal record of 225 lbs, the app highlights the milestone. At noon, Alex snaps a photo of a chicken and rice bowl, and the calories log automatically. On Saturday, Alex runs a 5K route with GPS tracking enabled. Alex's gym buddy sees both sessions in their private squad feed, drops an encouraging comment, and asks to join the Sunday partner workout.
Getting started with JustGains
Getting started with JustGains takes less than two minutes:
1. Head over to the web app or download JustGains on iOS, Android, and web.
2. Create your account and choose your preferred units (pounds or kilograms, miles or kilometers).
3. If you have past logs, export your CSV from Strong, Hevy, Fitbod, or StrengthLog and import it into JustGains with one click.
4. Pick an existing program, let Claude AI generate your first session, or build your own custom split from scratch.
5. Create or join a squad with your friends to stay consistent throughout the week.
Try JustGains
Freemium ($9.99/mo or $79.99/yr for Pro) · Available on iOS, Apple Watch, Android, Web
Frequently asked questions
Is JustGains free?
Yes. You can download JustGains on iPhone and Android, log your workouts, follow free programs, use the Apple Watch app and share sessions with a squad without paying anything. JustGains Pro is $9.99 a month or $79.99 a year and adds premium programs and workouts, live partner workouts, cardio recording, advanced analytics, unlimited squads and follows, and unlimited Claude chat.
Which devices does JustGains work on?
iPhone, Apple Watch, Android phones and any web browser at justgains.com. Sign in with the same account everywhere and your workouts, programs and history follow you.
Can I bring my history from Strong, Hevy or MyFitnessPal?
Yes. Export a CSV from Strong, Hevy, Fitbod or StrengthLog and JustGains brings in your past workouts, matched to its own exercise library. Food diaries from MyFitnessPal and Cronometer can be imported too, so you never start from zero.
How does the AI workout generator work?
Tell Claude what you are after in plain words, like "45 minutes of shoulders with dumbbells", and it builds a complete session with exercises, sets, reps and rest. Targets come from your own training history, and you can change anything before you start.
Does JustGains track runs and nutrition too?
Yes. Record runs, walks and rides with GPS, draw routes on a map and follow them with turn cues. For food, scan a barcode, snap a photo or type a meal as a sentence, and JustGains works out the calories and macros for you.
Can I train with friends?
That is the point. Squads are small groups that see each other's finished workouts, streaks and challenges, with a group chat built in. On Pro you can also start a partner workout and train together live, each on your own phone.
Does it support pounds and miles?
Yes. Choose pounds or kilograms, and miles or kilometers, and every screen follows your choice.