# えいごチャレンジ vs Highspeed Math

The clearest difference is price: Highspeed Math at Free against えいごチャレンジ's $1.99. Highspeed Math also leads on update cadence (monthly vs every 12 months) and iOS requirement (11.0 vs 15). えいごチャレンジ's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Highspeed Math is free to download; えいごチャレンジ costs $1.99 up front. Highspeed Math sells 1 one-off in-app purchase. えいごチャレンジ asks for nothing beyond the download.

えいごチャレンジ ships an update every 12 months, Highspeed Math monthly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | えいごチャレンジ | Highspeed Math |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/highspeed-math/id6449271751/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 223 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Fantamstick](https://appshunter.io/developer/563146308) |

## What reviewers say

### えいごチャレンジ

[App page](https://appshunter.io/ios/app/id939482398)

**Features:** macOS Compatibility

**In-app purchases:** none


### Highspeed Math

[App page](https://appshunter.io/ios/app/highspeed-math/id6449271751)

Engage in an exciting arithmetic challenge that transforms learning math into a thrilling adventure. Solve equations against the clock, defeat monsters, and collect cards and items to enhance your gameplay. This app makes mastering arithmetic fun and intellectually stimulating for all ages.

**Highlights:** Arithmetic challenges against the clock, Defeat monsters by solving equations, Collect character and item cards, Unlock unique vehicles, Curriculum-aligned challenges, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ハイスピード　全コース開放 | $9.99 | one-time |


## Frequently asked questions

### Is えいごチャレンジ free?

えいごチャレンジ costs $1.99, with no in-app purchases.

### Is Highspeed Math free?

Highspeed Math is free to download, with in-app purchases available.

### Do えいごチャレンジ or Highspeed Math have ads?

Neither えいごチャレンジ nor Highspeed Math shows ads.

### Which is updated more often, えいごチャレンジ or Highspeed Math?

えいごチャレンジ ships an update every 12 months, and Highspeed Math monthly. Most recently, えいごチャレンジ was updated on October 16, 2026 and Highspeed Math on October 13, 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.*
