# Byeoldosa vs 조안호의 국민연산

The clearest difference is update cadence: 조안호의 국민연산 at every 3 weeks against Byeoldosa's every 6 months. 조안호의 국민연산 also leads on iOS requirement (13.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Byeoldosa against 5.0 for 조안호의 국민연산. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Byeoldosa ships an update every 6 months, 조안호의 국민연산 every 3 weeks. The most recent releases landed on June 4, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Byeoldosa | 조안호의 국민연산 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/byeoldosa-arithmetic-practice/id6443646489/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/id6472438665/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 94.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 10 MB | 44 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hyekyung Jeong](https://appshunter.io/developer/1634743217) | [An-ho Cho](https://appshunter.io/developer/1578994143) |

## What reviewers say

### Byeoldosa

[App page](https://appshunter.io/ios/app/byeoldosa-arithmetic-practice/id6443646489)

This app offers step-by-step practice for basic arithmetic operations like addition, subtraction, multiplication, and division. It features levels organized by difficulty, from single-digit to three-digit numbers, with a vertical calculation mode that mimics writing sums on paper. Progress is automatically saved and visualized in charts to track speed and accuracy improvements.

**Highlights:** Step-by-step arithmetic practice, Addition, subtraction, multiplication, division, Difficulty levels, Vertical (column) calculation mode, Automatic practice set saving, Progress charts for speed and accuracy

**Features:** macOS Compatibility

**In-app purchases:** none


### 조안호의 국민연산

[App page](https://appshunter.io/ios/app/id6472438665)

This app offers a gamified approach to practicing math calculations for elementary and middle school students. It features progressive leveling for motivation and detailed statistics to track learning progress. Focus on core calculation skills to build a strong foundation for advanced math.

**Highlights:** Gamified calculation problem solving, Level-up system for achievement, Daily and missed learning modules, Covers natural numbers, fractions, and equations, Curriculum progress tracking, Detailed learning statistics, Focus on essential high school math calculations

**In-app purchases:** none


## Frequently asked questions

### Is Byeoldosa free?

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

### Is 조안호의 국민연산 free?

조안호의 국민연산 is free to download, with no in-app purchases.

### Which has better reviews, Byeoldosa or 조안호의 국민연산?

Byeoldosa and 조안호의 국민연산 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Byeoldosa or 조안호의 국민연산 have ads?

Neither Byeoldosa nor 조안호의 국민연산 shows ads.

### Which is updated more often, Byeoldosa or 조안호의 국민연산?

Byeoldosa ships an update every 6 months, and 조안호의 국민연산 every 3 weeks. Most recently, Byeoldosa was updated on June 4, 2026 and 조안호의 국민연산 on August 16, 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.*