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Mobile appsMedium1 to 2 weekendsUnder $100Mobile app

Phrase Snap

Photograph things around you and get useful phrases in the language you study.

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The idea

Language learners struggle to connect lessons to their real day. Snap a photo of your coffee order, your desk or a street sign, and the app gives the words and three natural phrases in your target language, saved as review cards.

Who it is for
Adult language learners and travelers
How it makes money
Subscription for unlimited snaps
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 Phrase Snap. Start with onboarding to pick a native language and target language and level (beginner, intermediate), then a camera home screen with a big snap button.

PROMPT 2 OF 3

Send the photo to an AI vision model with the languages and level, and return JSON with 5 objects (word, translation, pronunciation hint) and 3 short phrases using them with translations. Show results as cards with text to speech playback and a Save button.

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PROMPT 3 OF 3

Add a Review tab with spaced repetition on saved cards, daily review reminders, and a subscription after 5 free snaps per day.

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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 Phrase SnapEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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