Apps by Byoungho Kim
NUMEN: Feel Math Again app icon

Education

NUMEN: Feel Math Again

Byoungho Kim

Free download In-app purchases
Open on Apple

About this app

"Not solving math — the moment you start to feel it." NUMEN is not a problem-set app. It's an app for everyone who once gave up on math — and wants to recover the sense of it. ■ A different approach Other math apps: Definition → Formula → Practice → Wrong answer NUMEN: Experience → Pattern → Intuition → Definition You touch with your finger. You drag a slider. You watch values change. Each fraction slice, each function curve, each direction of a negative number — every concept comes alive as moving math, not memorized math. ■ Who is this for? · Middle and high school students who lost the thread · People burned out on classroom-style explanations · Adults who want to understand investing, statistics, or AI · Anyone who wants to feel "I wasn't bad at math — the connections were just broken" ■ What's inside · Interactive lessons you actually touch 33 lessons across 10 phases — sense, relations, change, chance, shape, cycles, limit, slope, accumulation, direction · Intuition first, definition later See the phenomenon, find the pattern, then meet the formal name · 5–10 minute daily sessions Light enough to keep, deep enough to transform · Daily streaks A little, every day — that's how sense rebuilds · Four languages Korean · English · Japanese · Simplified Chinese — every lesson body translated · iPhone · iPad universal · Fully offline No ads. No tracking. No data collection. No internet calls. ■ Why NUMEN? You weren't bad at math. Only the connections between concepts were broken. NUMEN was designed — by hand, with care — to reconnect them. "Oh — I wasn't dumb. The connections were just broken." That moment is what NUMEN is built for. ■ Privacy by design NUMEN collects zero personal information. All progress is stored only on your device. No analytics, no advertising SDKs, no external APIs. ■ Pricing · The app itself — free to download · Phase 1–3 (12 lessons, ≈ 60 min of content) — free · Phase 4–10 (21 lessons) — single one-time in-app purchase, unlocks forever. No ads, no subscription, no renewal. ■ Coming next · More lessons within Phase 5–10 · Personal review / notes screen Begin today. Mathematical sense is not memorized — it is recovered.

Latest release

What’s New

Version 1.0.2 Aug 13, 2026

NUMEN is now free. · Download at no cost and work through Phase 1–3 (12 lessons) end to end · Phase 4–10 (21 lessons) unlock with a single one-time purchase — no subscription, no recurring charge · Apologies to anyone who paid for the app earlier; the price was set in error All 33 lessons across 10 phases are unchanged. No ads, no tracking, no accounts, no servers. Progress stays on your device.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Sep 4, 2026 · 0 ratings Sep 4, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free 0×
Price history
Current Free
Free Sep 4, 2026 · Free Sep 4, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Sep 4, 2026 · 7:44 AM Free

Screenshots

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