Workout Tracking — Log Every Rep, Set & PR
Complete workout tracker with exercise library, custom programs, sets & reps logging, 1RM calculator, rest timers, and detailed muscle group analysis.
You can't improve what you don't measure. Every serious athlete and fitness enthusiast knows that tracking your workouts is the difference between spinning your wheels and making real, measurable progress.
Guthly's workout tracker is built for anyone who lifts, trains, or moves with purpose. Log every set, rep, and weight with a 500+ exercise library. Track your personal records, visualize muscle group balance, monitor your estimated 1RM, and see your strength gains on beautiful performance charts.
Whether you're a powerlifter chasing PRs, a bodybuilder tracking volume, or a beginner building your first routine, Guthly gives you the tools to train smarter and progress faster — all synced across every device.
Key Capabilities
A complete workout tracking system built for serious training.
Exercise Library (500+)
Browse over 500 exercises with muscle group tags and instructions. Find the perfect movement for any muscle, any goal, any experience level.
Custom Workouts & Programs
Build your own workouts from scratch or follow structured multi-week programs. Save templates, reorder exercises, and customize everything to match your training style.
Sets, Reps & Weight Logging
Log every set with reps, weight, RPE, and rest time. Guthly auto-fills your previous performance so you know exactly what to beat this session.
1RM Calculator
Automatically estimates your one-rep max for every exercise based on your logged sets. Track your estimated 1RM over time to see true strength gains.
Built-In Rest Timer
Never guess your rest periods again. Set custom rest timers per exercise or use smart defaults. Get notified when it's time to hit your next set.
Muscle Group Analysis
See a visual breakdown of which muscle groups you're training and how often. Identify imbalances and ensure you're hitting every muscle group proportionally.
PR Tracking
Guthly automatically detects and celebrates your personal records. Track PRs for weight, reps, volume, and estimated 1RM across every exercise.
Workout History
Access your complete workout history with detailed logs for every session. Search, filter, and revisit any workout you've ever done.
Performance Charts
Visualize your progress with detailed charts for strength, volume, frequency, and body composition over time. See the trajectory of every lift.
How It Works
From warmup to cool-down — track everything in real time.
Choose or Create a Workout
Pick from the exercise library to build a custom workout, load a saved template, or start a program. Add exercises, set target reps and weights, and you're ready to go.
Log Your Sets in Real Time
As you train, log each set with weight and reps. Guthly shows your previous performance so you can aim to beat it. The rest timer starts automatically between sets.
Finish & Review
Complete your workout to see a summary: total volume, PRs hit, muscle groups trained, and workout duration. Guthly saves everything and syncs it across all your devices instantly.
Track Progress Over Time
Use performance charts and workout history to see how your strength, volume, and consistency evolve. Spot plateaus early and adjust your training to keep making gains.
Why Guthly
What sets Guthly's workout tracking apart from every other gym app.
Works Everywhere You Train
Log workouts on your phone at the gym, review your stats on your tablet at home, or plan your program on the web. Guthly syncs in real time across iOS, Android, and Web so your data is always with you.
More Than Just a Gym Log
Most workout trackers exist in isolation. Guthly connects your training to your habits, nutrition, sleep, and wellness data. See how your diet affects your lifts, or how your sleep quality correlates with PR days.
Fast Logging, Zero Friction
Guthly auto-fills your previous weights and reps, starts rest timers automatically, and detects PRs in real time. Logging a full workout takes less effort than typing a text message.
Free to Start, Affordable to Upgrade
The free plan includes full workout logging, the complete exercise library, PR tracking, and a year of history. No paywall blocking core features. Premium from $4.99/month adds advanced analytics and AI coaching.
Use Cases
Built for every type of lifter and fitness enthusiast.
Strength Training & Powerlifting
Track every set, rep, and weight across your compound lifts. Monitor your estimated 1RM for squat, bench, and deadlift over time. Guthly's PR tracking and volume analytics are built for lifters who care about progressive overload.
Bodybuilding & Hypertrophy
Use muscle group analysis to ensure balanced development across all muscle groups. Track training volume per body part, monitor rep ranges, and use workout templates to follow structured push/pull/legs or bro splits.
Beginners Starting Their Fitness Journey
The 500+ exercise library with instructions helps you learn proper movements. Follow structured beginner programs, track your rapid newbie gains, and build the gym habit with Guthly's habit tracking integration.
General Fitness & Consistency
Not everyone trains to compete. Use Guthly to simply stay consistent with your workouts. Track how many days per week you train, monitor overall volume trends, and make sure you're moving enough to stay healthy.
Frequently Asked Questions
What is the best workout tracker app in 2026?
Guthly is one of the best workout tracker apps available in 2026. It features a 500+ exercise library, full sets/reps/weight logging, automatic 1RM calculation, PR tracking, muscle group analysis, and performance charts. Unlike standalone gym apps, Guthly also integrates your workouts with habit tracking, nutrition, and AI insights for a complete fitness experience. It works on iOS, Android, and Web with real-time sync.
How do I track sets and reps at the gym?
With Guthly, open your workout, select each exercise, and log your sets as you complete them. Enter the weight and reps for each set — Guthly auto-fills your numbers from last session so you just need to confirm or adjust. A built-in rest timer helps you stay on schedule between sets. Everything is saved automatically and synced across devices.
Can I create custom workouts and programs?
Yes. Guthly lets you build fully custom workouts by selecting exercises from the 500+ library, setting target sets and reps, and saving them as reusable templates. You can also create multi-week training programs with progressive overload built in. Load any template with one tap when it's time to train.
Does Guthly track personal records automatically?
Yes. Guthly automatically detects personal records for weight, reps, total volume, and estimated 1RM on every exercise. When you hit a PR during a workout, Guthly highlights it in real time. You can also view your PR history over time to see your strength progression across weeks and months.
Is Guthly free for workout tracking?
Yes. Guthly's free plan includes full workout logging, the complete 500+ exercise library, PR tracking, sets/reps/weight logging, rest timer, and one year of workout history. There are no limits on the number of workouts you can log. Premium plans starting at $4.99/month unlock advanced performance analytics, AI coaching insights, and extended history.
