ecoute.io vs MathCue

Ecoute turns any audio content into a language lesson. Podcasts, audiobooks, interviews — dive into authentic content and progress naturally, ad-free. Interactive transcript — follow every word in real time and tap to see instant translation and grammar info Smart flashcards — save the words you discover and review them with a spaced repetition algorithm that optimizes your memorization Adjustable speed — slow down or speed up audio to match your level Distraction-free — no ads, no interruptions, just you and the language Whether you're just starting out or looking to sharpen your skills, Ecoute helps you learn the way languages are meant to be learned: by listening. Download Ecoute and start learning today.

MathCue is a recall aid that helps you quickly bring back math concepts you've already learned. It doesn't teach from scratch — it gives you the cue that makes "Oh, right!" happen. ■ See concepts as a graph - All of middle‑school math (Korean curriculum, grades 7–9) as a prerequisite → follow‑up graph. - Narrow down by domain (Number & Operations, Algebra, Functions, Geometry, Probability & Statistics) → unit → concept. - Prefer a plain view? Switch to a list sorted by grade or A–Z. ■ Recall cards - Each concept in one line: definition + key formulas + "recall it when…" triggers + a worked example. - Hop to related (prerequisite / follow‑up) concepts. ■ How to use - Flip through right before an exam to refresh your memory. - Follow the links from one concept to the next to grasp the whole flow. Supports Korean and English. Free, with a banner ad at the bottom. Note: math content follows the Korean middle‑school curriculum (concept text available in English).