Track every set.
See every gain.
Flenex is your training journal — log workouts day by day, follow your split, and watch your weight, reps and volume climb week after week.
Bench press
120kg new PR
Volume · Chest
+12.4%
Track. Improve. Evolve.
Every set
Logged in seconds
Every week
Smart aim-for targets
Every gain
Charted for life
Log every session, day by day.
Swipe day-to-day, jump back to any past workout, and pick up right where you left off. Your history is always one tap away.
- Left / right nav between any two days
- Jump to a specific date with the calendar
- See your first-ever workout — track how far you've come
Set your routine once. Flenex handles the rest.
Choose the days you train and the muscle groups for each. Or pick freestyle and decide on the day — Flenex loads the exercises you already picked.
- Popular, compound exercises for every muscle group
- Add your own custom exercises anytime
- Edit your routine whenever your split changes
Beat last week — automatically.
On every training day we show what you hit last time and suggest the weight, reps and sets to aim for. Every session pushes you forward.
- Last session recap on every exercise
- "Aim for" targets based on your progress
- Never wonder what you did last week again
See your strength climb.
Track the percentage increase on every lift. Compare every Chest Monday, every Leg Friday, and watch your weight, reps and volume climb across weeks, months and years.
- Muscle-group and weekday filters
- Volume, max weight and rep progress charts
- Compare any session to every one before it
Chart your bulk or your cut.
Set a start weight, a goal weight, and log the ups and downs. Watch the line move toward your goal — save the journey when you hit it, and start a new one whenever your goal changes.
- Clean bulk, dirty bulk, or fat loss (fast or muscle-preserving)
- One-tap daily weight log with a clean progress line
- Save completed journeys so you always see how far you've come
Know how long it'll take.
A quick questionnaire — goal, training frequency, workout mix and session length — and our AI gives you a realistic timeline and tips personalised to your training and nutrition.
- Pick multiple workout types with per-session durations
- AI timeline in weeks, plus targeted nutrition & recovery tips
- Powered by an accurate reasoning model, tuned for fitness goals
Get Flenex on your phone.
Download the app for the best experience, or keep logging straight from your browser.