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"wow. jim is really good. probably my favorite app. yes, i socrates spoke of this."
fitness is complex. it takes real cognitive effort to manage nutrition, training, sleep, recovery, and progress all at once.
technology has given us incredible tools for each piece. unfortunately, no single platform connects them. meals in one app. sleep on a watch. runs on strava. old workouts in a journal. none of it talks to each other, and incomplete data isn't just unhelpful. it can actually work against you.
jim is built to do the opposite. one place where all of it lives. track it here, import it here, sync it here. and instead of sitting in a database, your data gets organized, connected, and put to work.
Jim is a set of tools built on fitness science, reproducible research, and real exercise physiology, run against the actual data jim stores.
Jim helps you understand your goals, refine them, quantify them, understand the science behind them, and apply both to actually, measurably improve. without needing to dig through research papers or pay for a five-thousand-dollar certification just to understand how your own body responds to training.
Jim is built to eliminate the friction that keeps people from being consistent. offload the cognitive effort of tracking, balancing, and optimizing so you can use that effort to actually train and build a healthier life.
the kind of analysis and guidance that used to require a degree in exercise science or a thousand-dollar-a-month coach, made accessible through language you can actually understand.
let's be clear about what jim is. jim is a training platform built on machine intelligence: evidence-based training algorithms, real exercise science, and systems that read your data and tell you what it means in plain language.
here's the whole deal: all you have to do is track. everything else is handled.
it runs the math. cross-references your training against your recovery and your nutrition. and when it tells you something, it's built to show you exactly where the number came from. no black box. no vibes. your data, doing the talking.
start completely fresh. onboarding has one job: helping you turn "i want to get in shape" into goals you can actually define and actually track. Jim takes your goals, your injuries, your schedule, the stuff you hate doing, and builds a program that is specifically yours. a real plan that lives in the app and adapts as you do.
or bring your old data with you. importing workout logs, spreadsheets, and exports from other apps is rolling out during beta. jim converts them into real, trackable plans and starts learning from day one. no cold start.
jim is built mobile first. every feature designed for the phone and ease of use, so you can log a set between sets and track a meal in under a minute.
if you want to get deep into the fitness data and analytics, a native website is coming. but the phone is home base. everything starts here.
Jim generates your program from your goals, your history, your schedule, and what you actually want to do. a plan that lives in the app and adjusts week to week based on how you're actually progressing.
log every meal, every macro. protein, carbs, fat, calories. Jim builds your meal plan and tracks whether you're hitting it.
garmin. whoop. apple watch. strava. if it writes to apple health, jim reads it automatically. sleep, heart rate, hrv, steps, recovery.
bring your history. importing old workout logs, spreadsheets, and exports from other apps is rolling out during beta. jim converts them into structured data and starts learning from day one.
every week, Jim runs your numbers. volume trends, nutrition targets, recovery patterns. a real read on where you are, built from your actual data.
and Jim doesn't just report. Jim suggests specific adjustments, and if you approve them, applies them directly. updated training volume, adjusted meal targets, shifted recovery days. your program evolves week to week based on what's actually happening, with you in control of every change.
every feature in jim is built end to end. workout tracking isn't a wrapper around someone else's database. nutrition logging isn't a redirect to another app. jim owns the full stack, from the food database to the training templates to the exercise library, and all of it grows with the platform.
every movement explained. every set logged. every session tracked down to rest times. every meal logged down to the macro. and all of it feeding back into Jim's analysis of what's working and what to adjust.
and this is version one.
the plan: make jim so customizable you can track any data form natively. watch apps. running. multifunctional training. train for a marathon in six months while building muscle and jim optimizes for both, simultaneously. whatever your goals look like, jim adapts the entire platform around them.
all you have to do is track. everything else is handled.
too much software exists to harvest what you track and profit from it. your workouts, your meals, your sleep, your body composition, used to train models you'll never benefit from, sold to advertisers who see you as a data point, locked behind exports you can't access.
jim is built on the opposite principle.
not sold. not shared. not monetized. not used to train anyone else's models. you can delete everything, any time, no questions asked. and export everything too: today by request, in-app export on the way.
jim exists to read your data and apply insights for you. that's it. the platform serves you. you do not serve the platform.
you are not the product. you are the entire point.
this is what it looks like inside.
product support, business inquiries, or just telling the person who built this what broke. every email gets read by exactly one human. usually between sets.