# Byeoldosa vs TTS Math

The clearest difference is ads: Byeoldosa at none against TTS Math's shown. Byeoldosa also leads on update cadence (every 6 months vs every 16 months). TTS Math's advantage is iOS requirement (16.4 vs 18.0). On price, 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.

Byeoldosa ships an update every 6 months, TTS Math every 16 months. The most recent releases landed on June 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Byeoldosa | TTS Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/byeoldosa-arithmetic-practice/id6443646489/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 16 months |
| Monetization | Free | — |
| Size | 10 MB | 11 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hyekyung Jeong](https://appshunter.io/developer/1634743217) | [kim juyoung](https://appshunter.io/developer/918406157) |

## 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


### TTS Math

[App page](https://appshunter.io/ios/app/tts-math/id6450427904)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Byeoldosa free?

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

### Is TTS Math free?

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

### Do Byeoldosa or TTS Math have ads?

TTS Math shows ads; Byeoldosa does not.

### Which is updated more often, Byeoldosa or TTS Math?

Byeoldosa ships an update every 6 months, and TTS Math every 16 months. Most recently, Byeoldosa was updated on June 4, 2026 and TTS Math on September 24, 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.*