Your gym isn't the problem.Your plan is.
JFitGo structures every mesocycle for you: progressive load weeks with prescribed RIR and tempo, a strategic deload, and a supercompensation peak to crush your PR. Show up, execute, progress.
7+
Periodized Programs
RIR · Tempo · 1RM
Per-set prescription
€0
Free for a limited time
4 phases. One system. Science-backed results.
Every program follows a linear periodization model: you accumulate controlled mechanical stress over load weeks, reduce intensity and volume with a strategic deload week, and your body rebuilds above its previous level. This is supercompensation — and it's what turns sessions into PRs.
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1. Pick your mesocycle
Choose a program based on your level and goal. The full mesocycle is already designed: load weeks, intensity progression, prescribed volume, and a final deload week. You just show up.
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2. Execute with precision
Every set has a range of reps, RIR (how many reps you have left before failure) and tempo (speed of each movement phase). You don't think. You don't improvise. You train at the exact intensity you need.
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3. Deload and rebuild
During the deload week you intentionally reduce volume and intensity. It's not rest — it's strategy. Your nervous system recovers, accumulated fatigue drops and your body adapts above its previous limit.
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4. Beat your record
After the deload, your performance capacity exceeds the previous level. That's the supercompensation peak. The exact moment to attack your PR — and JFitGo planned it from day one.
Every tool exists for one thing: to keep you progressing
01 · Programs
Periodized programs, not exercise lists
Each program is a 4-to-6-week mesocycle with volume and intensity progression planned week by week. Beginner, intermediate or advanced — the structure mirrors what elite athletes use, adapted to your level.
02 · Session
Every set prescribed in detail
Open the session and everything is there: target weight, reps, RIR and tempo. No digging through notes. No inventing loads. The app tells you exactly what to do and at what intensity — you just execute.
RIR
RIR (Reps In Reserve) = how many reps you could do before reaching muscular failure. If your set says "RIR 2", you stop when you have 2 reps left in the tank. This controls intensity with precision: you train hard enough to grow, without accumulating unnecessary fatigue.
Tempo
Tempo is expressed as 4 numbers (e.g. 2-0-1-0) that dictate the seconds of each phase: lowering, pause at bottom, lifting, pause at top. More time under tension = more mechanical damage per rep = more hypertrophy stimulus with the same weight.
03 · Summary
Every session, automatically quantified
When you finish, JFitGo generates a full summary: exercises performed, sets completed, total volume lifted (kg), estimated calories and duration. One glance and you know exactly what you did. Share it with your friends in one tap.
04 · PR
Every PR, calculated and celebrated
When you beat your record, JFitGo detects it automatically and generates a celebration card with the exercise, weight, reps and your estimated 1RM. It's not vanity — it's objective proof that the system works.
1RM
Your estimated 1RM (One-Rep Max) is the maximum weight you could lift for a single rep. JFitGo calculates it using the Epley formula from your actual sets. It's the definitive strength metric — and it goes up every time the system does its job.
05 · Stats
Compare. Detect. Adjust.
Dashboard with completed workouts, total accumulated weight and calories burned. But what matters: a direct comparison between your previous and current session for the same workout. You instantly see if you're progressing or need to adjust.
06 · Evolution
Your progression in data, not feelings
Evolution charts per compound lift (bench press, deadlift, hip thrust… etc) with percentage improvement and estimated 1RM over time. No opinions, no "I think I'm doing better". Real data that confirms — or corrects — your effort.
07 · PDF Report
Your full mesocycle. Documented forever.
When you close a program, JFitGo generates a professional PDF report with all mesocycle data: athlete info, dates, total volume, accumulated calories, and progression charts exercise by exercise. It's your performance record — printable and shareable.
Why you train and don't improve — and the fix elite athletes use
The problem was never your effort. It was the lack of periodization.
If you always lift the same, your body adapts and stops responding (accommodation principle). If you always push to the max without planned deloads, you accumulate central and peripheral fatigue — and regress. The right cycle has three phases:
Progressive overload
Every week you increase the stimulus: more weight, more reps, or more time under tension. Your body gets a clear signal — it needs to adapt to handle a load it couldn't before. This is the foundation of all muscle and strength gains.
Strategic deload
You reduce volume and intensity by 40-60% for one week. The neuromuscular fatigue accumulated during load weeks drops drastically, your hormonal levels normalize and connective tissues repair. It's not weakness — it's the phase that allows growth.
Supercompensation
After the deload, your body rebuilds above the previous level. Your nervous system responds faster, your muscle fibers handle more load, and your performance capacity surpasses the starting point. This is the exact moment to attack your PR — and JFitGo puts you there.
Everything you need to know before downloading
Yes, completely free. No subscription, no ads, no tricks. We may introduce a premium plan with advanced features in the future, but current features will remain free for early users.
JFitGo is available on iOS (iPhone) and Android. You can download it now from the App Store and Google Play.
JFitGo is already live! You can download it for free on both platforms right now.
Most apps give you exercises. JFitGo gives you a system. Every program is periodized week by week with prescribed RIR, tempo, and load progression calculated for you. No guessing — it follows the same model elite athletes use and takes you to the supercompensation peak to beat your PR.
Your next PR is already planned.
You just need to show up
JFitGo is now live on the App Store and Google Play. No credit card, no subscription, no tricks.
