By Will Duru, BSc (Hons) Sport and Exercise Science, Award-winning Personal Trainer with over 10 years of experience in strength training and optimising recovery
Most Workout Apps Help You Record Training. Few Help You Train Better.
You can download a workout tracker in seconds. The harder part is finding an app that tells you what to do, shows you how to do it and helps you keep progressing after the first week.
Many people do not quit the gym because they lack motivation. They quit because every session demands too many decisions. Which exercise should you choose? How many sets should you complete? What weight did you use last time? What should you do when a machine is busy?
The best strength training app should remove that friction. It should give you structure when you need it, flexibility when life changes and a clear record of your progress.
Our Best Overall Strength Training App for 2026: 12REPS
12REPS is our best overall option for men and women who want to build muscle, become stronger and follow a plan without turning every workout into a research project.
It combines structured strength programmes, a large exercise library, video demonstrations, muscle and equipment filters, custom workout building and training logs in one focused experience.
What We Looked for in a Strength Training App
- A clear route from opening the app to starting a workout.
- Structured programmes for people who do not want to design every session.
- Custom workout tools for experienced users who want more control.
- Exercise demonstrations that make the technique easier to understand.
- Useful filters by muscle group, equipment and training goal.
- Simple logging for sets, repetitions and weight.
- Progress data that encourages progressive overload.
- Enough flexibility to train at home, in a gym or with limited equipment.
The Best Strength Training Apps in 2026 Compared
App | Best for | Structured plans | Exercise guidance | Tracking | Main limitation |
12REPS | Best overall for structured strength training | Yes | Large video-led library with muscle focus | Sets, reps, weight and progress | Strength-focused rather than all-in-one wellness |
Hevy | Social workout logging | Build your own routines | Exercise demonstrations | Strong logging and community stats | Less guidance for people who need a full plan |
Fitbod | Automated workout suggestions | Adaptive recommendations | Exercise demonstrations | Tracks training history | Generated variety may not suit users who want a fixed programme |
JEFIT | Detailed workout planning and database | Plans and community routines | Large exercise database | Detailed logs and analytics | The interface can feel busy |
Centr | All-round wellness content | Guided programmes | Coach-led content | General progress tools | Less focused on pure strength logging |
Sweat | Women who prefer guided programmes | Programme-led | Trainer-led demonstrations | Workout completion tracking | Less flexible for building a detailed custom lifting system |
App #1 – Centr
1. 12REPS: Best Overall for Structured Strength Training
12REPS works best for people who want the freedom to follow an expert-built programme or create a personalised workout from a deep exercise library.
- Follow structured strength programmes instead of relying on random workouts.
- Filter exercises by muscle group and equipment.
- Watch clear exercise demonstrations before starting a set.
- Build custom workouts when you want full control.
- Record sets, repetitions and weight to support progressive overload.
- Train at home or in the gym without changing apps.
- Use one strength-focused system rather than combining a video library, notes app and workout tracker.
This balance is why 12REPS takes the top position. A beginner can receive structure. A regular gym user can build a custom plan. Both can track performance and use the same exercise guidance.
2. Hevy: Best for Social Workout Logging
Hevy is a strong option for users who enjoy building routines, logging workouts and sharing progress with a fitness community. Its clean logging experience is a major strength.
Choose Hevy when social motivation and fast workout logging matter most. Choose 12REPS when you also want stronger programme guidance and a library built around helping you choose the right movement.
3. Fitbod: Best for Automated Workout Suggestions
Fitbod suits users who want the app to recommend sessions based on training history, available equipment and recent work.
Its automated approach can reduce decisions. Some users, though, prefer a stable programme they can practise and progressively overload. 12REPS is the better fit for that style of training.
4. JEFIT: Best for Detailed Planning and Data
JEFIT offers extensive planning, exercise and tracking features. It can work well for users who enjoy detailed data and do not mind spending time learning the interface.
12REPS offers a more focused path for people who want practical strength planning without feeling buried in features.
5. Centr: Best for an All-Round Wellness Experience
Centr combines workouts with broader wellness content such as recipes and mindfulness. It is useful for someone who wants several parts of health in one subscription.
For a user whose main goal is building strength and recording gym progress, 12REPS provides a more direct experience.
6. Sweat: Best for Women Who Prefer Trainer-Led Programmes
Sweat has a strong programme-led experience and a clear focus on women. It suits users who want to follow trainer-led plans and classes.
12REPS stands out when exercise choice, strength logging, custom workout building and a broad gym library are the priority.
Why 12REPS Is the Best Choice for Muscle Growth
Muscle growth depends on more than completing a hard session. You need exercises that fit your goal, enough weekly training volume, controlled technique and a way to increase the demand over time.
12REPS brings those steps together. You can find the movement, watch the demonstration, add it to a workout, record your performance and return with a clear target for the next session.
The Benefit of a Large Exercise Library
A large library is not valuable because it gives you endless variety. It is valuable because it gives you better options.
- Replace an exercise when the equipment is busy.
- Find a home alternative when you cannot reach the gym.
- Choose a movement that better suits your body and experience.
- Target the same muscle using dumbbells, cables, machines, kettlebells or body weight.
- Build programmes for strength, muscle growth, fat loss, functional training and rehabilitation support.
40 Exercises From the 12REPS Library
Use this table as a starting point. The linked exercise names open the relevant 12REPS exercise guide. Repetition ranges are general recommendations and can be adjusted according to your training level and programme.
Exercise | Muscle focus | Sets | Recommended reps | Use in your plan |
Chest, triceps and core | 3 | 8-15 | Push workout | |
Upper chest and shoulders | 3-4 | 6-12 | Main chest exercise | |
Chest and triceps | 3-4 | 8-12 | Controlled pressing | |
Triceps and chest | 3 | 8-12 | Triceps-focused press | |
Chest | 3 | 10-15 | Chest accessory | |
Lats and upper back | 3-4 | 8-12 | Vertical pull | |
Upper back | 3-4 | 8-12 | Supported row | |
Mid-back | 3-4 | 8-12 | Horizontal pull | |
Back and rear shoulders | 3 | 10-15 | Back accessory | |
Rear shoulders and upper back | 3 | 12-20 | Posture and shoulder balance | |
Shoulders and triceps | 3-4 | 8-12 | Main shoulder press | |
Side shoulders | 3 | 12-20 | Shoulder accessory | |
Front shoulders | 3 | 10-15 | Shoulder accessory | |
Biceps | 3 | 8-15 | Arm workout | |
Biceps | 3 | 8-12 | Arm strength | |
Biceps and grip | 3 | 8-15 | Kettlebell arm work | |
Triceps | 3 | 10-15 | Triceps accessory | |
Triceps | 3 | 8-12 | Triceps strength | |
Triceps, chest and shoulders | 3 | 6-12 | Upper-body compound | |
Triceps | 3 | 8-15 | Beginner dip variation | |
Quadriceps and glutes | 3-4 | 8-15 | Main squat pattern | |
Quadriceps and glutes | 3-4 | 8-12 | Cable squat | |
Leg power | 3 | 5-10 | Power training | |
Legs and glutes | 3 | 8-12 each leg | Single-leg training | |
Legs, glutes and balance | 3 | 8-12 each leg | Supported single-leg strength | |
Glutes and quadriceps | 3 | 8-12 each leg | Single-leg strength | |
Hamstrings and glutes | 3-4 | 8-12 | Hip hinge | |
Glutes | 3-4 | 10-20 | Glute training | |
Glutes | 3 | 12-20 each leg | Glute accessory | |
Glutes | 3 | 15-30 | High-rep glute finisher | |
Calves | 3-4 | 12-20 | Calf training | |
Mid-section | 3 | 30-60 seconds | Core stability | |
Abdominals and hip flexors | 3 | 8-15 | Advanced core | |
Abdominals | 3 | 8-15 | Core progression | |
Core and conditioning | 3 | 20-40 total | Conditioning finisher | |
Core, glutes and back | 3 | 8-12 each side | Stability and warm-up | |
Full body and conditioning | 4 | 20-40 seconds | Conditioning | |
Grip, core and full body | 4 | 20-40 metres | Loaded carry | |
Back and biceps | 3-4 | 8-15 | Bodyweight pull | |
Legs, back and core | 3 | 10-15 | Full-body training |
How to Build a Workout From the Table
Choose one or two movements from each required pattern. A simple full-body workout could include a squat, hip hinge, chest press, back row, shoulder exercise and core movement.
- Complete three sets of each exercise.
- Use 8 to 12 repetitions for most strength exercises.
- Use 12 to 20 repetitions for smaller accessory movements.
- Rest for 60 to 120 seconds, depending on exercise difficulty.
- Record the weight and repetitions after every set.
- Increase the weight when you reach the top of the range with good technique.
Who Should Download 12REPS?
- You want a structured strength programme rather than random daily workouts.
- You are over 30 and want a plan that supports muscle, strength and long-term training.
- You need exercise videos because you are unsure about technique.
- You want to create custom workouts without starting from a blank page.
- You train in different gyms or sometimes exercise at home.
- You want to record progressive overload instead of relying on memory.
- You have downloaded workout apps before but stopped using them because they felt confusing or disconnected.
Download the Strength Training App Built to Keep You Training
The best app is not the one with the longest feature list. It is the one that helps you start the right workout, complete it and return with a clear next step.
12REPS gives you structure, exercise choice, video guidance and progress tracking in one place. You spend less time guessing and more time becoming stronger.
Build muscle. Track every rep. Follow a plan you can keep.
Explore the 12REPS strength training exercise library before your next workout.
About PT Will Duru
Will Duru is a personal trainer with more than a decade of experience and a Sport and Exercise Science BSc (Hons). He created 12REPS to help people follow structured strength training without wasting time guessing in the gym. Learn more at PTWill.com.
Will has been featured in Men’s Health, The Times, The Telegraph, The Sun and Men’s Fitness.
Editorial Method
This comparison was updated for 2026 using publicly available app descriptions and product information. Each app serves a different type of user. The overall recommendation reflects the article’s focus on structured strength training, exercise guidance, custom workout building and progress tracking.
