# Arithmetic Wiz vs Byeoldosa

The clearest difference is rating: Byeoldosa at 5.0 against Arithmetic Wiz's 2.0. Byeoldosa also leads on in-app purchases (none vs 1) and ads (none vs shown). Arithmetic Wiz's advantage is iOS requirement (15.0 vs 18.0). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Arithmetic Wiz sells 1 one-off in-app purchase. Byeoldosa asks for nothing beyond the download.

Byeoldosa holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Arithmetic Wiz ships an update every 4 months, Byeoldosa every 6 months. The most recent releases landed on September 19, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Arithmetic Wiz | Byeoldosa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/arithmetic-wiz-math-drills/id506569246/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/byeoldosa-arithmetic-practice/id6443646489/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 10 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Rocket Studio](https://appshunter.io/developer/445439580) | [Hyekyung Jeong](https://appshunter.io/developer/1634743217) |

## What reviewers say

### Arithmetic Wiz

[App page](https://appshunter.io/ios/app/arithmetic-wiz-math-drills/id506569246)

This app makes practicing arithmetic fun for children. It offers drills for addition, subtraction, multiplication, and division, with features like timed challenges, progress tracking, and global leaderboards. Kids can earn trophies and stars for achievements.

**Highlights:** Arithmetic drills (4 operations), Timed challenges, Performance history tracking, Trophy and star rewards, Global leaderboards and rankings, Speed and score tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arithmetic Wiz All 14 Levels | $3.99 | one-time |


### 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


## Frequently asked questions

### Is Arithmetic Wiz free?

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

### Is Byeoldosa free?

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

### Which has better reviews, Arithmetic Wiz or Byeoldosa?

Byeoldosa is rated higher. Arithmetic Wiz averages 2.0 out of 5 from 1 ratings, while Byeoldosa averages 5.0 from 1 ratings.

### Do Arithmetic Wiz or Byeoldosa have ads?

Arithmetic Wiz shows ads; Byeoldosa does not.

### Which is updated more often, Arithmetic Wiz or Byeoldosa?

Arithmetic Wiz ships an update every 4 months, and Byeoldosa every 6 months. Most recently, Arithmetic Wiz was updated on September 19, 2026 and Byeoldosa on June 4, 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.*