# Study Calculator vs EITC Korea Guide

The clearest difference is ads: Study Calculator at none against EITC Korea Guide's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Study Calculator ships an update every 6 months, EITC Korea Guide every 9 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Study Calculator | EITC Korea Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eitc-korea-guide/id6758206561/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | — | Ad-supported |
| Size | 140 MB | 40 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [yuhwa kim](https://appshunter.io/developer/1790011092) | [hyunsu seo](https://appshunter.io/developer/1709786583) |

## What reviewers say

### Study Calculator

[App page](https://appshunter.io/ios/app/study-calculator-sci-and-gpa/id6753039593)

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

**In-app purchases:** none


### EITC Korea Guide

[App page](https://appshunter.io/ios/app/eitc-korea-guide/id6758206561)

This app provides a straightforward guide to South Korea's earned income tax credit and child tax credit. It helps users determine eligibility, understand application processes, and track payment schedules. The content is presented in Korean.

**Highlights:** Eligibility criteria (income, household, property), Application deadlines and schedules, Step-by-step application instructions, Payment review and schedule, Reasons for rejection, Child tax credit information

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

**In-app purchases:** none


## Frequently asked questions

### Is Study Calculator free?

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

### Is EITC Korea Guide free?

EITC Korea Guide is free to download, with no in-app purchases.

### Do Study Calculator or EITC Korea Guide have ads?

EITC Korea Guide shows ads; Study Calculator does not.

### Which is updated more often, Study Calculator or EITC Korea Guide?

Study Calculator ships an update every 6 months, and EITC Korea Guide every 9 months. Most recently, Study Calculator was updated on October 30, 2026 and EITC Korea Guide on October 31, 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.*