Science-backed fitness

Your next set is
already decided.

Samson tells you exactly what to lift, when to lift it, and whether you're getting stronger — then gets out of the way.

Coming Soon to App Store See How It Works

Free to download  ·  No account required  ·  iOS & Android

Three steps.
Zero excuses.

No spreadsheets. No complicated setup. Samson is ready to train you the moment you open it.

01

Pick a routine

Choose from expertly programmed plans — push/pull/legs, upper/lower, full body — and set your start date. Samson handles the rest.

02

Show up and lift

Open the app and you'll see exactly which exercises to do today, the target sets and reps, and what weight you hit last time.

03

Watch yourself grow

Samson tracks your estimated one-rep max over time and flags personal records the moment you set them. Your progress is hard to ignore.

Everything you need.
Nothing you don't.

📅

Routine-driven scheduling

Your workouts cycle automatically based on your start date. No decision fatigue. No skipped days from not knowing what to do.

🏆

Instant PR detection

Every set is compared against your history using estimated 1RM calculations. When you break a record, Samson celebrates — loudly.

📈

Progress trend charts

See your estimated one-rep max plotted over weeks, months, or years. Watch your strength curve go up and to the right.

🔥

Calorie estimation

MET-based calorie burn estimates tuned to your body weight and workout type — strength, cardio, bodyweight, and mobility.

💪

Body part effort map

Visual muscle group heatmap shows exactly which areas you worked each session — so you always know what you've hit and what needs attention.

🛠️

Custom routine builder

Already have a program you love? Build it in Samson. Add exercises, set rep ranges, order your days — your routine, your rules.

Built around
progressive overload.

The most proven principle in strength training is deceptively simple: do a little more than last time. Samson makes that easy to see and impossible to ignore.

  • Epley 1RM formula converts each set into a normalized strength score — so adding a rep or a pound both count.
  • Session-level trends — one data point per workout day — reveal whether your strength curve is actually moving up.
  • Target set tracking highlights reps that fell short or shot above your programmed range — the signal your body is ready for more weight.
  • Time horizon toggle lets you zoom out and see the bigger picture: weekly noise vs. monthly momentum vs. yearly transformation.
Bench Press — Progress
Week
Month
Year
All
245lb
Est. 1RM
+18lb
Last 30 days
6
Sessions
🏆 New PR — 225 lb × 5 reps

Designed for people
who actually show up.

Not people who like thinking about going to the gym. People who go.

Zero setup, instant value

Pick a routine, set a date, open the app on day one and know exactly what to do. No account, no onboarding maze, no subscription paywall to get started.

🧠

Habit over motivation

Motivation is unreliable. Samson's routine-driven model means the decision of what to do today is never yours to make — which makes showing up dramatically easier.

📊

Honest data, not dopamine

Streaks and badges don't make you stronger. Samson shows you your actual strength curve and lets the numbers do the talking.

🎯

One job per session

Log your sets. That's it. Samson computes the rest — PRs, volume, calories, muscle map, trend charts — from a single source of truth.

56+ Exercises in the library
0 Accounts required
Custom routines you can build
100% Your data, on your device

Your next PR
is one session away.

Stop planning. Start lifting. Samson is waiting.

Coming Soon to App Store

Free  ·  iOS & Android  ·  No account required