Welcome! I'm Coach Jim, part of the app on this page. You log the sets, I do the math.
Free. Works offline. Installs straight from the browser — no app store.
3 sets × 8 @ 60 kg | rest 90s
Features
Reps and weight pre-filled from the program. Adjust with stepper buttons, log with one tap. Supersets and dropsets right in the row.
Linear, climbing rep target, or time and distance. Weight goes up on cleared sets, deload after two misses.
Installs from the browser — no app store. Sets logged without signal sync when you're back online.
Starts automatically after every set, shows the next set, and lets you know when rest is over.
Write or import as markdown, export in the same format. Built-in program editor too.
Weight progression and 1RM estimate per exercise, weekly volume, streak and a calendar of every workout.
week 1
week 26
Coach Jim is your training partner in the app. He suggests the next workout, explains why a weight goes up or down and celebrates when you hit a PR. Clear the rep target and the weight goes up next session — miss twice in a row and it drops so you can build again. You never do the math yourself.
Open the appFAQ
Nothing. Jim is free and invite-only. Ask whoever tipped you off for a code.
No. The app runs in the browser and can be installed to your home screen straight from there.
Yes. Training history from Strong, Hevy and StrongLifts imports as CSV. Charts and PRs come along.
You. Everything can be exported at any time as JSON or CSV, and the account can be deleted entirely.