Study Calculator vs EITC Korea Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Study Calculator
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Every calculation you need for studying, in one app. BASICS: scientific calculator, unit converter (12 categories), fractions, percent and tax, square footage. MATH: equations (up to cubic, systems up to 4 unknowns), matrices with exact fractions, function graphs with roots and extrema, derivatives, integrals and limits, statistics with normal/t/χ²/F distributions and regression. SCIENCE & COMPUTING: molar mass and equation balancing, physics constants and error propagation, resistor color codes and Ohm's law, number bases and bitwise operations. ACADEMIC: GPA (4.5/4.3/4.0 scales) with target GPA, grade cutoffs and standard scores, D-day countdown. One side menu for everything, search, pins for favorites, calculation history, long-press to copy, dark mode. Free, no ads.
EITC Korea Guide
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.
- 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
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A plain guide to Korea's earned income tax credit (근로장려금) and child tax credit (자녀장려금). Check whether you may qualify, how and when to apply, and when the payment arrives. What's inside - Eligibility: income, household and property criteria - Regular, half-year and late applications with dates - Step-by-step application guide - Review and payment schedule - Common reasons for rejection or reduced payment - Child tax credit guide The app screens are in Korean. This app is not affiliated with the National Tax Service. Always confirm final details with the National Tax Service. privacy policy: https://pond-newsboy-f09.notion.site/Privacy-Policy-Sunsun-Inc-2ead1609760381d982b5d8e0cbdabb5f?source=copy_link terms of use: https://pond-newsboy-f09.notion.site/Terms-of-Use-2ead16097603814c8df5d498a4949ca5?source=copy_link
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Study Calculator | EITC Korea Guide |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 140 MB | 40 MB |
| Age rating | 4+ | 9+ |
| Developer | yuhwa kim | hyunsu seo |
In-app purchases
Study Calculator
No in-app purchases
EITC Korea Guide
No in-app purchases
Questions
Is Study Calculator free?
Is EITC Korea Guide free?
Do Study Calculator or EITC Korea Guide have ads?
Which is updated more often, Study Calculator or EITC Korea Guide?
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