# Korean Hanja Handwriting ! vs Think Math

The clearest difference is review sentiment: Think Math at 100% against Korean Hanja Handwriting !'s 0%. Think Math also leads on price (Free vs $1.99) and update cadence (every 3 weeks vs every 18 months). Korean Hanja Handwriting !'s advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Think Math is free to download; Korean Hanja Handwriting ! costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Korean Hanja Handwriting ! ships an update every 18 months, Think Math every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Korean Hanja Handwriting ! | Think Math |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/korean-hanja-handwriting/id1459361030/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 98 MB | 46 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Hasegi Inc.](https://appshunter.io/developer/1755968233) |

## What reviewers say

### Korean Hanja Handwriting !

[App page](https://appshunter.io/ios/app/korean-hanja-handwriting/id1459361030)

Learn to hand-write 2,500 essential Korean Hanja characters stroke by stroke. Explore characters with a spin wheel, save favorites, and access English meanings and real human voice pronunciations. Discover Korean arts and culture through integrated content.

**Highlights:** 2,500 most-used Korean Hanja, Stroke-by-stroke handwriting instruction, Spin the wheel exploration, Add to favorites, Real human voice pronunciation, English meanings included, Offline independent use

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Korean Hanja Handwriting ! free?

Korean Hanja Handwriting ! costs $1.99, with no in-app purchases.

### Is Think Math free?

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

### Do Korean Hanja Handwriting ! or Think Math have ads?

Think Math shows ads; Korean Hanja Handwriting ! does not.

### Which is updated more often, Korean Hanja Handwriting ! or Think Math?

Korean Hanja Handwriting ! ships an update every 18 months, and Think Math every 3 weeks. Most recently, Korean Hanja Handwriting ! was updated on October 29, 2026 and Think Math 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.*