
Mark-1 Performance
It started with a clip on a barbell.
We built the log before we built the sensor.
The first idea was hardware. A sensor that clips to the bar, reads the motion, and counts the reps so nobody has to. That device is still being built.
While building it, one question kept coming back. Where does the data go, and who actually reads it? Every training app we tried answered the same way. Pick your exercise from a list. Tap the plus button. Fill the fields. Repeat.
So we looked at what people who log seriously were already doing. A lot of them were not using a training app at all. They were typing into the notes app on their phone. Plain text, their own shorthand, no fields. It worked because nothing was in the way.
Mark-1 is that page, with something reading over your shoulder. You type the way you already think. We read it back as sets, reps and volume. The longer you use it, the less you have to type.
Nothing guessed.
A training log is only worth keeping if you can trust every number in it. That rules a few things out.
We do not estimate calories burned. It cannot be computed honestly without heart rate and bodyweight, so we do not show it.
We do not fill in a rest time we did not observe. When the timing is ambiguous the field stays empty rather than getting a plausible number.
We do not publish reviews we have not received, and we do not run a countdown toward a date we have not committed to.
The app proposes. You accept it or you type over it. It never writes for you.
Where each thing stands
One person, so far.
Mark-1 Performance is a Wyoming company with one full time person on it. The upside is short. There is nobody between the person using the product and the person building it. If you write in, you are writing to the founder.
The downside is short too. Things take longer here than they would at a larger company, and we would rather say that than pretend otherwise.
The log is the part that exists today.