The workout tracker that works for you.
KUGI is a clean, focused gym log for lifters. Log sets in seconds, build routines, and watch progressive overload happen, with no social feed, no bloat and no clutter.
Everything a serious gym log needs. Nothing it doesn't.
Whether you follow a strict program or keep a simple workout diary for weight lifting, strength training, cardio or calisthenics, KUGI starts fast and stays out of your way.
Lightning-fast logging
Log weight lifting, cardio, bodyweight and custom exercises with pre-filled targets, rest timers, supersets, drop sets, RPE and RIR.
Routines & templates
Build reusable workout templates for your favorite sessions and start any training day with one tap.
Training calendar & repeat plans
Plan weekly workouts on a built-in calendar and use repeat plans to organize muscle splits and training days.
Automatic PR detection
Every personal record, from heaviest weight to best rep-max and biggest volume, is caught and celebrated the moment it happens.
Progressive overload analytics
Track training volume, best sets, estimated 1RM and workout frequency per exercise with clear progress charts.
Apple Watch, widgets & Health
Run full workouts from your wrist, glance at Live Activities and Dynamic Island, and sync with Apple Health.
Log every set in seconds
KUGI pre-fills your weight and reps from last session, so logging a set is a single tap. Rest timers start themselves, and supersets and drop sets are built in, so there's no fiddling, no spreadsheets and no broken flow between sets.
- Auto-filled targets from your last session
- Built-in rest timers that keep you moving
- Supersets, drop sets, notes, RPE & RIR
Every PR, caught automatically
The moment you out-lift your past self, KUGI detects it and flags it in gold. Your personal records, including heaviest weight, best rep-max and biggest volume, are tracked for you, so you always know when you've leveled up.
- Weight, rep-max & volume PRs
- Instant in-workout PR celebrations
- A full history of every record and milestone
Progress data that actually motivates you
Every set you log feeds clear, beautiful charts. Track training volume, estimated one-rep max, best sets and workout frequency per exercise, so you always know your progressive overload is working.
- Volume, estimated 1RM & frequency trends
- Full searchable workout history & gym diary
- Weekly goals, streaks & consistency tracking
Routines and plans that adapt to you
Create reusable templates for any training style, schedule sessions on the built-in training calendar, and use repeat plans to run your weekly split on autopilot. Every session starts pre-filled and ready to go.
- Custom routines, templates & muscle splits
- Training calendar with repeat weekly plans
- 1,000+ exercise library with instructions, favorites & custom exercises
Leave your phone in the locker
The KUGI Apple Watch app runs your full workout from your wrist, letting you start sessions, log sets, and follow rest countdowns. Live Activities and Dynamic Island keep your progress one glance away, and Home Screen widgets give you quick starts and PR stats.
- Start workouts & log sets from your wrist
- Live Activities, Dynamic Island & Lock Screen widgets
- Apple Health sync for body weight & recovery trends
Don't just take our word for it
"Switched from a notes app and never looked back. Logging is so fast I actually do it between every set now. The PR celebrations are addictive."
"The progress charts are unreal. Seeing my bench 1RM climb week over week keeps me coming back to the gym. Best fitness app I've used."
"The Apple Watch app is a game changer. I leave my phone in the bag and run the whole session from my wrist. Clean, fast, premium feel."
"The auto-start rest timer is genius. No more scrolling Instagram between sets. KUGI just keeps me moving through the whole session."
"I finally hit a 2x bodyweight deadlift and the PR animation made me feel like I won the lottery. Genuinely motivating app."
"Built my entire push/pull/legs split in five minutes. The routine builder is the cleanest and fastest I've ever used."
"Logging is genuinely faster than writing it down. I'm in and out of the app in a couple seconds between every set."
"No feed, no ads in my face, no bloat. It respects my time. This is what every fitness app should feel like."
"Tracking volume per muscle group completely changed how I program my weeks. Massive for anyone chasing hypertrophy."
"Synced perfectly to my Watch with Live Activities. I control rest timers right from my wrist. Feels properly premium."
Frequently asked questions
Is KUGI free?+
Can I plan my weekly workouts in advance?+
Does KUGI work on Apple Watch?+
Can KUGI track progressive overload?+
What types of workouts can I log?+
Does KUGI sync with Apple Health?+
Your strongest year
starts today.
Download KUGI free and turn every workout into measurable progress. Simple enough for everyday logging. Powerful enough for serious training.
Free to download · iPhone & Apple Watch