# Byeoldosa vs HistoryLayer

The clearest difference is ratings volume: HistoryLayer at 4 against Byeoldosa's 1. On price, rating, ads and in-app purchases 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 HistoryLayer. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

## The numbers

| Metric | Byeoldosa | HistoryLayer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/byeoldosa-arithmetic-practice/id6443646489/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/historylayer-world-atlas/id6806716619/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | — |
| Size | 10 MB | 3 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hyekyung Jeong](https://appshunter.io/developer/1634743217) | [Novark LLC](https://appshunter.io/developer/6806716621) |

## 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


### HistoryLayer

[App page](https://appshunter.io/ios/app/historylayer-world-atlas/id6806716619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Byeoldosa free?

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

### Is HistoryLayer free?

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

### Which has better reviews, Byeoldosa or HistoryLayer?

Byeoldosa and HistoryLayer are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Byeoldosa or HistoryLayer have ads?

Neither Byeoldosa nor HistoryLayer shows ads.

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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.*