GymRat vs Iron Diary

GymRat is a minimalist workout tracker. Log your progress, build training programs, and track results. No unnecessary features - just what you need in the gym.

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.