NUMEN: Feel Math Again
Intuition-first visual lessons
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Now free. Math you touch with your finger — no formulas, just intuition. All 12 lessons of Phase 1–3 are open. 5 minutes a day. No ads · No tracking · Fully offline.
"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.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
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.
The developer, Byoungho Kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Byoungho Kim
- Size
- 2.7 MB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Korean, Simplified Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- NUMEN — Unlock All $2.99
- Copyright
- © 2026 blue-code