# PSAT/NCS 기초연산 트레이닝 vs 역검플레이

The clearest difference is ads: PSAT/NCS 기초연산 트레이닝 at none against 역검플레이's shown. PSAT/NCS 기초연산 트레이닝 also leads on iOS requirement (13.0 vs 26.5). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. PSAT/NCS 기초연산 트레이닝 sells 4 in-app purchases, starting at $1.99 per month and 역검플레이 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 5 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | PSAT/NCS 기초연산 트레이닝 | 역검플레이 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Freemium | — |
| Size | 80 MB | 9 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JONGHYEOK PARK](https://appshunter.io/developer/1838106188) | [Jongwon Park](https://appshunter.io/developer/6788696743) |

## What reviewers say

### PSAT/NCS 기초연산 트레이닝

[App page](https://appshunter.io/ios/app/psatncs/id6752115080)

Prepare systematically for PSAT/NCS exams with this app. Master basic calculations and real past exam problems to improve data interpretation and applied math skills through step-by-step training and performance analysis.

**Highlights:** 16 basic calculation problem types, Step-by-step difficulty adjustment, Practice with past PSAT/NCS questions, Detailed problem explanations, Performance analysis and skill diagnosis, Tablet and pen support for note-taking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고제거 | $1.99 | per month |
| PREMIUM | $3.99 | per month |
| 프리미엄 연간 | $22.99 | per year |
| 프리미엄 평생 이용권 | $39.99 | one-time |


### 역검플레이

[App page](https://appshunter.io/ios/app/id6807821728)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고제거 | $5.99 | one-time |


## Frequently asked questions

### Is PSAT/NCS 기초연산 트레이닝 free?

PSAT/NCS 기초연산 트레이닝 is free to download, with in-app purchases available.

### Is 역검플레이 free?

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

### Do PSAT/NCS 기초연산 트레이닝 or 역검플레이 have ads?

역검플레이 shows ads; PSAT/NCS 기초연산 트레이닝 does not.

### Which is updated more often, PSAT/NCS 기초연산 트레이닝 or 역검플레이?

PSAT/NCS 기초연산 트레이닝 ships an update every 5 days, and 역검플레이 every 5 days. Most recently, PSAT/NCS 기초연산 트레이닝 was updated on November 8, 2026 and 역검플레이 on November 10, 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.*