# Think Math vs NUMEN

The clearest difference is in-app purchases: Think Math at none against NUMEN's 1. Think Math also leads on iOS requirement (13.0 vs 16.0). NUMEN's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. NUMEN sells 1 one-off in-app purchase. Think Math asks for nothing beyond the download.

Think Math ships an update every 3 weeks, NUMEN every 5 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Think Math | NUMEN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Ad-supported | — |
| Size | 46 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hasegi Inc.](https://appshunter.io/developer/1755968233) | [Byoungho Kim](https://appshunter.io/developer/1888452963) |

## What reviewers say

### Think Math

[App page](https://appshunter.io/ios/app/think-math-math-concept-map/id6763571781)

Explore math concepts from elementary to high school on a comprehensive map. Easily find specific topics with a three-step navigation system and reinforce learning with linked YouTube videos and textbook-quality typesetting.  Ideal for students, parents, and teachers seeking a visual understanding of mathematical connections.

**Highlights:** 802 math concepts map, Three-step navigation, Textbook-quality typesetting, Linked YouTube concept videos, Grade-level explanations, Concept cards with basic/advanced views, Listen and learn audio feature

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### NUMEN

[App page](https://appshunter.io/ios/app/numen-feel-math-again/id6767151538)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NUMEN — Unlock All | $2.99 | one-time |


## Frequently asked questions

### Is Think Math free?

Think Math is free to download, with no in-app purchases.

### Is NUMEN free?

NUMEN is free to download, with in-app purchases available.

### Do Think Math or NUMEN have ads?

Think Math shows ads; NUMEN does not.

### Which is updated more often, Think Math or NUMEN?

Think Math ships an update every 3 weeks, and NUMEN every 5 weeks. Most recently, Think Math was updated on October 25, 2026 and NUMEN on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*