The Philosophy
Why 4SETS exists.
The hardest rep in any workout is the one you didn't show up to.
Most lifting apps optimize for the wrong thing. They hand you 1,400 exercises, periodized templates, RPE charts, and a routine builder. Eighty percent of users open them three times and never again — not because the apps are broken, but because you can't progress at something you don't do.
4SETS is built around a different truth: consistency beats optimization, every time, for almost everyone. The strongest lifters in any gym aren't the ones with the most clever programs. They're the ones who turned up on Tuesday when they didn't feel like it.
So we made the simplest thing that could possibly work, and got out of the way.
The number behind the name
Four sessions. Four exercises each. Four sets. It's a memory device, not a marketing gimmick. You can't forget your way out of it.
Push, Pull, Legs, Full Body. In that order. Rotate through them. The app remembers where you are. The end.
Why Full Body is the last session
Life happens. You'll catch a cold. Work will run late. Your kid will need you. You'll just not feel like it. On the way to being consistent — and that's the only journey that matters — you will skip days. We built the program to expect that.
The final session of the rotation is Full Body for a specific reason. If your week falls apart and you only get one workout in, the program quietly resets you to the session that touches every major muscle group: chest, legs, back, core. Your worst week still leaves you trained, somewhere.
Other apps treat consistency as something you bring to them. We think the app should defend it.
Sixteen exercises. Picked, not generated.
The compounds that drive most of your strength gains:
- Bench Press · Overhead Press · Incline Chest Press
- Deadlift · Barbell Row · Lat Pulldown
- Squat · Hip Thrust
The isolations that hit what compounds miss:
- Lateral Raise · Tricep Pulldown · Bicep Curl
- Leg Curl · Leg Extension · Calf Raise
- Seated Cable Row · Ab Crunches
Together they cover every major movement pattern — push, pull, hinge, squat, carry — and every major muscle group. Nothing is filler. Nothing is there because we needed to fill a list. If you do all 16 over the course of a week, you have done every meaningful thing strength training can ask of you.
Auto-progression handles the boring math
Hit all your reps? Next session adds 2.5 kg on compounds, 1 kg on isolation work. Miss a rep? Same weight again. Stuck at the same weight three sessions in a row? The app drops you 10% and rebuilds.
These aren't novel ideas. They're how every honest linear progression has worked since Mark Rippetoe wrote them down. We just made them automatic, so you stop thinking about them and start doing the work.
What 4SETS asks of you
Show up. Open the app. Do the workout it shows you. Tap done.
That's it.
If you do that on the days you can — and forgive yourself on the days you can't — the weights will go up, the reps will get cleaner, and one day you'll realize the bar feels light at a number that used to feel impossible.
The gym wins through accumulation, not optimization. 4SETS is the smallest possible thing that respects that fact.
Lift heavy. Track simply. Show up.