# Highspeed Math vs GridCalculation

The clearest difference is in-app purchases: GridCalculation at none against Highspeed Math's 1. GridCalculation also leads on update cadence (weekly vs monthly). Highspeed Math's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Highspeed Math sells 1 one-off in-app purchase. GridCalculation asks for nothing beyond the download.

Highspeed Math ships an update monthly, GridCalculation weekly. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Highspeed Math | GridCalculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/highspeed-math/id6449271751/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 223 MB | 16 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fantamstick](https://appshunter.io/developer/563146308) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### 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 |


### GridCalculation

[App page](https://appshunter.io/ios/app/gridcalculation/id6745461475)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Highspeed Math free?

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

### Is GridCalculation free?

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

### Do Highspeed Math or GridCalculation have ads?

GridCalculation shows ads; Highspeed Math does not.

### Which is updated more often, Highspeed Math or GridCalculation?

Highspeed Math ships an update monthly, and GridCalculation weekly. Most recently, Highspeed Math was updated on October 13, 2026 and GridCalculation on October 8, 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.*