Training
RPE in the Gym: The Technical Guide to Using the 1-10 Scale
If you train by feel, you're not maximizing your gains. The RPE scale is the first serious tool to stop guessing and start programming your training.
YOUR PROGRESS JOURNAL
The gym workout app that pushes you past every limit.
Workout plan, training log and 12 ready-made programs (PPL, 5×5, nSuns). Science-based Overload Advisor, per-muscle volume with MEV/MRV thresholds. Offline, no account.
300+
Available exercises
12
Ready-made programs
100%
Offline & private
0€
Free forever
LIBRERIA ESERCIZI
Gym exercise library: 300+ with instructions.
Browse 300+ gym exercises organized by muscle group and equipment. From barbells to cables, from bodyweight to bands — with your personalized history.
SCHEDE PALESTRA · VOLUME MEV/MRV
Ready-made programs. Volume under control. No more guesswork.
Catalog of 12 curated programs (PPL, 5×5, nSuns, Upper/Lower) with all the workout plans ready, applicable in one tap. Volume Tracker monitors weekly sets per muscle group with science-based MEV/MRV thresholds — stop at the right point, no overtraining.
PROGRESSIVE OVERLOAD
Automatic progressive overload for your lifts.
IRON's progressive overload system analyzes your data and tells you when to increase weight and reps. Progress every week without thinking about it.
STATISTICHE & ANALISI
Workout statistics: volume, 1RM and PRs.
Track your gym progress with volume charts, estimated 1RM and personal records for every exercise. See how you improve week after week.
PRIVACY & OFFLINE
Offline gym app: no account required.
No account, no cloud, no servers. IRON works 100% offline: your workouts stay on your device, always available.
100% PRIVACY GUARANTEEDHOW IT WORKS
How the IRON workout log works.
01
Choose the exercise
Over 300 exercises with images, muscle groups and step-by-step instructions.
02
Log every set
Weight, reps, RPE. All saved in one tap. Even offline.
03
Monitor your progress
Statistics, personal records and overload advisor tell you if you're improving.
Free gym app: choose your plan.
FREE
PRO
300+ exercises with instructions
✓
✓
Workout plans
3
Unlimited
Program catalog (PPL, 5×5, nSuns…)
6
12
Workout history
1 month
Unlimited
Timer & Plate Calculator
✓
✓
Science-based Overload Advisor
✓
Volume Tracker (MEV/MRV)
✓
Warm-Up Calculator & 1RM charts
✓
From the Blog
Training
Progressive Overload: The Guide for People Who Actually Want to Improve
Progressive overload isn't an abstract theory. It's the reason you grow or stay stuck. Here's how to actually apply it.
Training
How to Build Your First Workout Program
Stop copying random programs. Here's how to build a workout program from scratch that actually works, step by step.
Frequently asked questions
Download the free workout app.
Download IRON for free on Google Play and start improving every gym session.
Download on Google Play