# 수학대왕 vs FocusTok

The clearest difference is in-app purchases: 수학대왕 at none against FocusTok's 3. 수학대왕 also leads on review sentiment (88% vs 77%) and ratings volume (36 vs 11). FocusTok's advantage is ads (none vs shown) and rating (4.9 vs 4.4). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. FocusTok sells 3 in-app purchases, starting at $9.99 per month. 수학대왕 asks for nothing beyond the download.

FocusTok holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 36 and 11 respectively. Written reviews complicate that: 88% of 수학대왕's written reviews are positive against 77% of FocusTok's, so the app with the better star average is not the one people write more warmly about.

수학대왕 ships an update monthly, FocusTok fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 수학대왕 | FocusTok |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (36 ratings)](https://appshunter.io/ios/app/ai/id1501165233/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/focustok-deep-focus-timer/id6756112463/reviews)** |
| Number of ratings | **36** | 11 |
| Positive reviews | **87.5% of reviews** | 76.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 86 MB | 140 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Turing Co.,Ltd.](https://appshunter.io/developer/1501165232) | [KYOTO K.K.](https://appshunter.io/developer/1724153255) |

## What reviewers say

### 수학대왕

[App page](https://appshunter.io/ios/app/ai/id1501165233)

This app offers a comprehensive solution for math studies, providing AI-driven analysis, practice problems, and concise video lectures. It helps users improve their scores by identifying weak areas and offering tailored learning paths. Features include personalized problem sets, original content, and progress tracking.

**Highlights:** AI-driven skill analysis, Personalized problem sets, Original practice problems, Short, efficient video lectures, Progress tracking and reports, Daily scholarship system

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

**In-app purchases:** none


### FocusTok

[App page](https://appshunter.io/ios/app/focustok-deep-focus-timer/id6756112463)

This app transforms focus sessions into an immersive flight experience. Track your progress visually as your aircraft travels across real-world maps, fueled by your concentration. Enhance your study or work time with customizable soundscapes and a unique flight logbook.

**Highlights:** Immersive flight timer with real-time map tracking, Diverse ambient soundscapes for focus, Customizable aircraft selection, Automatic flight logbook for progress tracking, Focus modes for session categorization, Strict mode for uninterrupted concentration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus Flight Premium Monthly | $9.99 | per month |
| Focus Flight Premium Yearly | $19.99 | per year |
| Focus Flight Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is 수학대왕 free?

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

### Is FocusTok free?

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

### Which has better reviews, 수학대왕 or FocusTok?

FocusTok is rated higher. 수학대왕 averages 4.4 out of 5 from 36 ratings, while FocusTok averages 4.9 from 11 ratings.

### Do 수학대왕 or FocusTok have ads?

수학대왕 shows ads; FocusTok does not.

### Which is updated more often, 수학대왕 or FocusTok?

수학대왕 ships an update monthly, and FocusTok fortnightly. Most recently, 수학대왕 was updated on October 25, 2026 and FocusTok on October 24, 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.*