# Harumath vs 데일리 PSAT

The clearest difference is iOS requirement: 데일리 PSAT at 15.0 against Harumath's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Harumath sells 2 in-app purchases, starting at $4.99 per month and 데일리 PSAT sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 31, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Harumath | 데일리 PSAT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Size | 7 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YE HEON GWON](https://appshunter.io/developer/1872877216) | [woosik choi](https://appshunter.io/developer/1845521022) |

## What reviewers say

### Harumath

[App page](https://appshunter.io/ios/app/harumath-speed-math-sprints/id6765876660)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 하루암산 Pro 월간 | $4.99 | per month |
| 하루암산 Pro 연간 | $29.99 | per year |


### 데일리 PSAT

[App page](https://appshunter.io/ios/app/psat/id6781955472)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 전체 해체 | $17.99 | one-time |


## Frequently asked questions

### Is Harumath free?

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

### Is 데일리 PSAT free?

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

### Do Harumath or 데일리 PSAT have ads?

Neither Harumath nor 데일리 PSAT shows ads.

### Which is updated more often, Harumath or 데일리 PSAT?

Harumath ships an update every 4 days, and 데일리 PSAT every 4 days. Most recently, Harumath was updated on October 31, 2026 and 데일리 PSAT on October 8, 2026.

---

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