# Calculation Training vs PSAT 심화 기출문제 5급 공채·외교관후보자 1차

The clearest difference is in-app purchases: Calculation Training at none against PSAT 심화 기출문제 5급 공채·외교관후보자 1차's 3. Calculation Training also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PSAT 심화 기출문제 5급 공채·외교관후보자 1차 sells 3 in-app purchases, starting at $1.99 per month. Calculation Training asks for nothing beyond the download.

Calculation Training ships an update every 10 days, PSAT 심화 기출문제 5급 공채·외교관후보자 1차 every 3 weeks. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Calculation Training | PSAT 심화 기출문제 5급 공채·외교관후보자 1차 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 3 MB | 98 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JinWook You](https://appshunter.io/developer/1837824846) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### Calculation Training

[App page](https://appshunter.io/ios/app/calculation-training-ottugi/id6751992934)

This app offers timed training for mental arithmetic and estimation skills. It includes various arithmetic operations, comparison challenges, and graded sessions to improve your calculation speed and accuracy. Unlock full features with a premium subscription.

**Highlights:** Timed mental arithmetic training, Estimation and comparison challenges, Multiple arithmetic operations, Graded sessions with time penalties, Real exam data for comparison training, Light and dark mode support

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

**In-app purchases:** none


### PSAT 심화 기출문제 5급 공채·외교관후보자 1차

[App page](https://appshunter.io/ios/app/psat-5-1/id6798519661)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PSAT 프리미엄 월간 | $1.99 | per month |
| PSAT 프리미엄 3개월 | $4.99 | per 3 months |
| PSAT 프리미엄 연간 | $14.99 | per year |


## Frequently asked questions

### Is Calculation Training free?

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

### Is PSAT 심화 기출문제 5급 공채·외교관후보자 1차 free?

PSAT 심화 기출문제 5급 공채·외교관후보자 1차 is free to download, with in-app purchases available.

### Do Calculation Training or PSAT 심화 기출문제 5급 공채·외교관후보자 1차 have ads?

PSAT 심화 기출문제 5급 공채·외교관후보자 1차 shows ads; Calculation Training does not.

### Which is updated more often, Calculation Training or PSAT 심화 기출문제 5급 공채·외교관후보자 1차?

Calculation Training ships an update every 10 days, and PSAT 심화 기출문제 5급 공채·외교관후보자 1차 every 3 weeks. Most recently, Calculation Training was updated on October 13, 2026 and PSAT 심화 기출문제 5급 공채·외교관후보자 1차 on October 18, 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.*