A workout log that runs on Google Apps Script over a Google Sheet — free, no server, and the sheet stays the source of truth.
Open it on a tablet at the rack and tap numbers up and down. Each set carries an RPE, and next week's session is generated from it: same exercises, slightly more work, offered as a proposal to override at will.
Every log has an admin link (edits) and a viewer link (read-only, enforced server-side). Hold the admin link yourself, or hand it to a personal trainer who records your sessions.
Open the live demo → · The sheet behind it → · Set it up → · Documentation →
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| A session, end to end — pick a day, and it arrives filled in from last week and nudged up. More → | Log without typing — every number is a − / + button, read back out of the sheet before it counts. More → |
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| Supersets — pair two exercises and they become one card, laid out round by round. More → | Personal bests — worked out from the log and starred on the card as you train. More → |
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| A report on demand — any period, volume and sessions over time, each exercise against its all-time range. Prints to a PDF. More → | A read-only link — the same log with nothing to press, enforced on the server rather than by hiding buttons. More → |
- Architecture → — how it is put together and why: the sheet as the database, the write queue that survives gym wifi, the report, archiving, and how read-only is enforced.
- DEVELOPMENT.md — the local loop: building the template, the tests, the end-to-end suite, and regenerating this demo.