Iron Diary: Workout Tracker

Train with intent: log every set, plan programs with AI, and keep your data private on your device. No account, no ads, just plain free.

Iron Diary is a FREE, fast, and private workout log for people who take training seriously.

Whether you're chasing a bigger squat, more muscle, or just steady progress, Iron Diary makes logging effortless and keeps your data yours — on your device, no account required.

LOG EVERY SET, YOUR WAY • Weight, reps, duration, distance, and calories — pick the right fields per exercise • Track RPE and tempo when you want them, hide them when you don't • Supersets, rest timers, warmup sets, and per-set notes • 600+ built-in exercises, plus add and edit your own

PLAN AHEAD WITH ON DECK • Queue a full program as a series of upcoming workouts • Start the next session in one tap

PLAN WORKOUTS WITH AI • Build a ready-to-paste prompt for ChatGPT, Claude, or any LLM • Import the generated program straight into your queue

APPLE HEALTH READINESS • See your workouts from Apple Health alongside your diary • A daily readiness summary from HRV, resting heart rate, and sleep

YOUR DATA, YOUR DEVICE • Local-first: your training history lives on your device • No account, no ads, and we never sell your data • Full JSON export and import — back up and move your data anytime

BUILT FOR LIFTERS • Pounds or kilograms, meters or feet • Clean, fast, distraction-free logging during your workout

Download Iron Diary and start training with intent.