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Mobile appsMedium2 weekendsUnder $100Mobile app

Garage Gym Log

Log sets by voice between lifts, no tapping with chalky hands.

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The idea

Say "bench, 185, 8 reps" and it is logged. Garage Gym Log tracks personal records, shows progress charts and suggests the next weight.

Who it is for
Home gym lifters
How it makes money
Monthly subscription after a free trial
Suggested stack
Expo (React Native), Supabase for login and data
Launch cost
Under $100

Your first AI prompts

Paste these into Claude, Cursor or Lovable, in order. Check that each one works before moving on.

PROMPT 1 OF 3

Build an Expo app called Garage Gym Log with workouts, exercises and sets (weight, reps). Start with manual logging and a workout history list.

PROMPT 2 OF 3

Add a microphone button that records a short phrase, converts it to text and uses AI to turn it into exercise, weight and reps. Confirm before saving.

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PROMPT 3 OF 3

Add a progress screen with a chart per exercise, personal record badges and a simple "next time try" weight suggestion.

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The 10 step playbook

  1. 01Claim your ideaPut your name on it and unlock every prompt and the full playbook. Always free.
  2. 02Domain and nameBrainstorm a short name, check the .com, and register it.
  3. 03Trademark basicsSearch for conflicts before you fall in love with the name.
  4. 04AI build kickoffPaste the prompts below into Claude, Cursor or Lovable, one at a time.
  5. 05Server and hostingPick a host and have your AI walk you through setup.
  6. 06Backend and dataLogins, database and payments, one prompt at a time.
  7. 07Frontend and designScreens, colors and a simple logo that look professional.
  8. 08Go livePut it online, then submit to the App Store and Google Play if it is a mobile app.
  9. 09Marketing planLaunch posts, local outreach and your first 100 users.
  10. 10Launch and growShip it and add your live link to earn the Shipped badge.
Your full playbook for Garage Gym LogEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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