# 보다수학 vs ITD

The clearest difference is in-app purchases: 보다수학 at none against ITD's 8. 보다수학 also leads on update cadence (fortnightly vs monthly) and device support (4 vs 1). On price and ads there is nothing between them.

Both are free to download. ITD sells 8 in-app purchases, starting at $4.99 per month. 보다수학 asks for nothing beyond the download.

보다수학 ships an update fortnightly, ITD monthly. The most recent releases landed on September 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 보다수학 | ITD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 152 MB | 141 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [새하컴즈](https://appshunter.io/developer/1156383972) | [BODA EDU. CO.,LTD](https://appshunter.io/developer/1754173267) |

## What reviewers say

### 보다수학

[App page](https://appshunter.io/ios/app/bodamath/id6738075229)

This app streamlines math education for teachers and students. Teachers can easily create custom assignments and receive AI-powered grading, while students benefit from personalized learning and instant feedback on errors. It supports interactive, simultaneous lessons with flexible settings for diverse classroom needs.

**Highlights:** Easy assignment creation from problem banks, AI-powered automatic grading of handwritten work, Instant feedback on student errors, Simultaneous, personalized lessons, Real-time whiteboard annotation during screen sharing, Smart AI handwriting recognition, Highly customizable learning environment

**Features:** Vision Pro support

**In-app purchases:** none


### ITD

[App page](https://appshunter.io/ios/app/itd-pomodoro-focus-timer/id6756837604)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 한달 | $4.99 | per month |
| 일년 | $29.99 | per year |
| 별조각 20개 | $0.49 | one-time |
| 별조각 70개 | $1.99 | one-time |
| 별조각 150개 | $4.99 | one-time |
| 별조각 350개 | $9.99 | one-time |
| 별조각 800개 | $17.99 | one-time |
| 평생 집중 | $49.99 | one-time |


## Frequently asked questions

### Is 보다수학 free?

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

### Is ITD free?

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

### Do 보다수학 or ITD have ads?

Neither 보다수학 nor ITD shows ads.

### Which is updated more often, 보다수학 or ITD?

보다수학 ships an update fortnightly, and ITD monthly. Most recently, 보다수학 was updated on September 6, 2026 and ITD on September 20, 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.*