# 캐찹 vs PSAT/NCS 기초연산 트레이닝

The clearest difference is review sentiment: PSAT/NCS 기초연산 트레이닝 at 100% against 캐찹's 20%. PSAT/NCS 기초연산 트레이닝 also leads on update cadence (every 5 days vs fortnightly). 캐찹's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 캐찹 sells 3 one-off in-app purchases and PSAT/NCS 기초연산 트레이닝 sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

캐찹 ships an update fortnightly, PSAT/NCS 기초연산 트레이닝 every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 캐찹 | PSAT/NCS 기초연산 트레이닝 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 21 MB | 80 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YP TEST inc.](https://appshunter.io/developer/1638677931) | [JONGHYEOK PARK](https://appshunter.io/developer/1838106188) |

## What reviewers say

### 캐찹

[App page](https://appshunter.io/ios/app/id1638677929)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1개월 이용료 | $5.99 | one-time |
| 3개월 이용료 | $12.99 | one-time |
| 6개월 이용료 | $22.99 | one-time |


### 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 |


## Frequently asked questions

### Is 캐찹 free?

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

### Is PSAT/NCS 기초연산 트레이닝 free?

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

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

Neither 캐찹 nor PSAT/NCS 기초연산 트레이닝 shows ads.

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

캐찹 ships an update fortnightly, and PSAT/NCS 기초연산 트레이닝 every 5 days. Most recently, 캐찹 was updated on October 27, 2026 and PSAT/NCS 기초연산 트레이닝 on October 30, 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.*