STRENGTHLINE
Why do you train?Get stronger
Where do you train?The gym
For how long?45 min

One plan for everything you train.

Real coaching, encoded.

Join the waitlist The waitlist gets first invites.
Three doors, one engine

Programmed as one system.

Three ways in. The same engine underneath: your strength, conditioning, mobility and skill built as one coordinated week. Pick a door and watch the week come together.

Or run a single lane. Or build your own mix. Bodyweight only? The engine adapts.

Why I built it

Whatever your reason, wherever you train, however much time you have: we've got the plan for you.

I've coached strength and conditioning since 2015 and trained my whole life: football, martial arts, climbing, weightlifting, calisthenics, CrossFit. Goals make training meaningful, whether you're heading into a competition or fighting to fit sessions into a busy week.

Years of training around a full life became a system that guides you on the path you choose, reads your signals, and knows when to back off and when to push. Exactly how I'd coach you in a gym.

Felix Lundh · Strength & conditioning coach since 2015 · Gothenburg

How we do it

A coach's logic, encoded.

This isn't a language model guessing at a workout. It's a real coach's programming logic, built by a hybrid athlete who trains the way you do. The judgment is human. The system just makes it available every day.

Research, not folklore

Backed by the science

Every rule traces back to training research across strength, conditioning, endurance, mobility and skill. Not gym myths, not whatever's trending.

Fits you over time

It gets to know your training

The more you train and log, the better it fits. Your history, your lifts and how recovered you are all shape what comes next.

Cues, not decisions

You stay the athlete

The coaching cues you read mid-set are the only thing AI writes. It never picks your exercises and never builds your session. That stays human.

Who it's for

Built for a specific athlete.

Committed recreational hybrid athletes training three to five times a week across strength, conditioning, mobility and skill, with years under the bar already.

  • You train everything, and you want it programmed as one system.

  • ×

    First year of training? A coach or a dedicated beginner program will serve you better, and we'd rather tell you that now.

  • ×

    Train one discipline only? A specialist tool will go deeper in that single lane.

Stop guessing at your training.

StrengthLine is in early access. The waitlist gets the first invites, and the answers below shape who gets into the beta.

Launches as a paid subscription. Priced like it.

Who is StrengthLine for?

Committed hybrid athletes training three to five times a week across strength, conditioning, mobility and skill. If you're in your first year of training, a coach or a dedicated beginner program will serve you better, and we'd rather say that now.

What makes it different?

A coach's programming logic runs the engine. Deterministic rules pick every exercise, set and rep, and one system programs everything you train in one session, in the right order. AI writes only the coaching cues you read mid-set. Never the workout.

Is there an app to download?

StrengthLine runs in your browser, built phone-first for the gym floor. Nothing to install.

Why is it paid?

It launches as a paid subscription and is priced like the coaching it encodes. That keeps the incentives simple: you pay for training that works.

When does it launch?

The waitlist gets first invites, in order. You get one confirmation email when you join, then updates only when there's something real to say.

Three fields. The answers shape launch invites and beta selection.

One confirmation email. No spam. Leave anytime.

Check your inbox.

Confirm your email and you're on the list.