{"product_id":"lingualeap","title":"LinguaLeap","description":"\u003cdiv\u003e\n\u003cp\u003eLinguaLeap is a language learning app built on Expo, with a lesson and exercisearchitecture modelled on the well-known duolingo-style flow: units, lessons, XP,streaks and progress tracking.Its strongest feature is the billing layer: RevenueCat is wired up correctly —offerings, purchasePackage, restore — which makes it a useful reference even if youplan to build a different kind of app on top.\u003cbr\u003e\u003cstrong\u003eWHAT YOU GET\u003c\/strong\u003e\u003cbr\u003e- 14,300 lines of TypeScript- Expo app with lesson player, progress tracking, streaks- Working RevenueCat integration- Express + PostgreSQL backend with Drizzle schema- Course seeding script — the structure for adding contentWHAT IS NOT INCLUDED — PLEASE READThe included course is small: 3 units, roughly 6 lessons, around 55 exercises. Thatis enough to demonstrate the system, not enough to ship. Buy this for thearchitecture and the billing reference, and plan to write your own content.No audio or text-to-speech. UI text is German.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital delivery:\u003c\/strong\u003e Source-code package for the stated product. Hosting, domains, paid third-party services, accounts, API keys and credentials are not included unless explicitly stated.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MarcoLoos","offers":[{"title":"Default Title","offer_id":58442907287935,"sku":"ML-041","price":39.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/6862\/2207\/files\/xxzz4834aa6zjtdaqfvz01en9mt2.png?v=1789547867","url":"https:\/\/ml-digital.net\/products\/lingualeap","provider":"ML Digital","version":"1.0","type":"link"}