By Will Duru, BSc (Hons) Sport and Exercise Science, Award winning Personal Trainer with over 10 years of experience in strength training
Most UK Gym Members Do Not Need More Motivation
They need a plan that works in a busy gym, fits around work and tells them what to do when the equipment they need is taken.
A strength app should not make training feel like admin. It should help you open the app, start the right workout, record your performance and leave knowing what to improve next time.
That is the problem 12REPS is built to solve.
The Real Problems British Lifters Face
- Commercial gyms are busy at the times most people can train.
- A 45-minute session can disappear while you wait for equipment.
- Many plans use exercises that do not match the equipment in UK gyms or home setups.
- People save workouts from social media but do not follow one plan long enough to progress.
- Weights, sets, and repetitions are often recorded in notes, spreadsheets, or not recorded at all.
- Beginners need guidance. Experienced lifters need flexibility. Most apps do one well, not both.
What a Good UK Strength Training App Should Do
- Use kilograms as the natural default for strength tracking.
- Offer programmes that fit 30, 45 and 60-minute training windows.
- Work for home training and commercial gyms.
- Let you replace an exercise when equipment is unavailable.
- Show clear exercise demonstrations before you start a set.
- Record sets, repetitions and weight without slowing down the workout.
- Support muscle building, fat loss, strength and long-term consistency.
- Give beginners structure while still allowing experienced users to build their own workouts.
Why 12REPS Is the Best Option
12REPS is a focused strength training app. It does not try to become a recipe app, meditation platform and lifestyle magazine at the same time.
Its job is simple: help you follow a structured workout, find the right exercise, record what you lift and make progress.
- Follow trainer-built strength programmes instead of assembling random sessions.
- Search a library of more than 1,000 strength exercises by body part, equipment and level.
- Watch exercise demonstrations and review coaching cues before your working set.
- Build custom workouts when you want more control.
- Record your weights, sets and repetitions in one place.
- Train at home, in a small gym or in a large commercial facility.
- Replace exercises without losing the purpose of the workout.
- Use the same app as your confidence and experience increase.
Built for Busy UK Training
A useful app should work at 6:30 am before work, at 6pm in a crowded gym and at home when your schedule changes.
12REPS gives you exercise alternatives across bodyweight, cables, machines, dumbbells, kettlebells and resistance bands. You keep training instead of abandoning the session because one machine is occupied.
Trainer-Led Structure Without Losing Flexibility
Some users want a complete plan. Others already know how they like to train. 12REPS supports both.
You can start with a programme created by a certified trainer, then replace movements, save workouts and build your own sessions as your confidence grows.
What Changes When Your Training Has Structure?
- You stop deciding on your workout after you arrive at the gym.
- You know which muscles you are training and why each exercise is included.
- You can see what weight and repetitions you completed last time.
- You have an alternative ready when the equipment is busy.
- You repeat the right movements long enough to improve them.
• Your weekly consistency becomes easier to protect
What You Get with 12REPS
20 Exercises From the 12REPS Library
The linked exercise names open their 12REPS guides. The sets and repetitions below are practical starting ranges. Adjust them around your programme and experience.
Exercise | Main focus | Sets | Recommended reps | Best use |
Chest, shoulders and triceps | 3 | 8-15 | Beginner upper-body push | |
Chest, triceps and core | 3-4 | 8-15 | Bodyweight push | |
Chest and triceps | 3-4 | 8-12 | Cable push | |
Upper chest and shoulders | 3-4 | 6-12 | Main chest exercise | |
Back and biceps | 3-4 | 8-12 | Vertical pull | |
Mid-back | 3-4 | 8-12 | Horizontal pull | |
Upper back | 3-4 | 8-12 | Supported row | |
Rear shoulders and upper back | 3 | 12-20 | Shoulder balance | |
Biceps | 3 | 8-15 | Arm training | |
Triceps | 3 | 10-15 | Arm training | |
Quadriceps and glutes | 3-4 | 8-15 | Squat pattern | |
Legs and glutes | 3 | 8-12 each leg | Single-leg strength | |
Quadriceps and glutes | 3 | 8-12 each leg | Single-leg progression | |
Legs and balance | 3 | 10-15 each leg | Home or gym training | |
Glutes and quadriceps | 3 | 8-12 each leg | Loaded single-leg work | |
Hamstrings and glutes | 3-4 | 8-12 | Hip hinge | |
Glutes | 3-4 | 10-20 | Glute training | |
Glutes | 3 | 12-20 each leg | Glute accessory | |
Mid-section | 3 | 30-60 seconds | Core stability | |
Grip, core and full body | 4 | 20-40 metres | Loaded carry |
A Simple Three-Day UK Gym Plan
Day One: Full Body
- Goblet squat: 3 sets of 10 repetitions.
- Seated cable chest press: 3 sets of 10 repetitions.
- Cable lat pulldown: 3 sets of 10 repetitions.
- Bodyweight hip thrust: 3 sets of 15 repetitions.
- Bodyweight plank: 3 sets of 30-45 seconds.
Day Two: Full Body
- Cable Romanian deadlift: 3 sets of 10 repetitions.
- Bodyweight reverse lunge: 3 sets of 10 repetitions per leg.
- Dumbbell incline press: 3 sets of 8-12 repetitions.
- Cable wide-bar row: 3 sets of 8-12 repetitions.
- Kettlebell farmer’s walk: 4 sets of 30 metres.
Day Three: Full Body
- Cable step-up: 3 sets of 10 repetitions per leg.
- Bodyweight Bulgarian split squat: 3 sets of 8 repetitions per leg.
- Bodyweight press-up: 3 sets of 8-15 repetitions.
- Cable face pull: 3 sets of 12-15 repetitions.
- Cable glute kickback: 3 sets of 12 repetitions per leg.
How to Progress Without Overcomplicating It
Choose a repetition range, such as 8 to 12. When you reach 12 controlled repetitions across every set, increase the weight by the smallest available amount at your next session.
Record the new weight in 12REPS. That gives your next workout a clear target instead of another guess.
Who 12REPS Is Best For
- You are new to strength training and want a clear programme.
- You train before or after work and cannot waste time planning in the gym.
- You want to build muscle, lose fat or become stronger.
- You need alternatives when equipment is busy.
- You train in kilograms and want simple strength tracking.
- You sometimes train at home and sometimes use a gym.
- You want a trainer-led structure without losing the option to build your own workouts.
Download a Strength App That Helps You Train
The best strength training app in the UK should do more than store workouts. It should make your next session clearer.
12REPS gives you programmes, exercise guidance, flexible alternatives and progress tracking in one place. You know what to do, how to do it and what to improve next.
Less searching. Less waiting. More structured strength training.
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 guessing their way through 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.
