# Calculus Gacha！ vs 高校数学 数I〜数C 解法の最初の一手

The clearest difference is update cadence: Calculus Gacha！ at every 3 days against 高校数学 数I〜数C 解法の最初の一手's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calculus Gacha！ sells 3 one-off in-app purchases and 高校数学 数I〜数C 解法の最初の一手 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calculus Gacha！ ships an update every 3 days, 高校数学 数I〜数C 解法の最初の一手 weekly. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Calculus Gacha！ | 高校数学 数I〜数C 解法の最初の一手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 83 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shunsuke Nakamura](https://appshunter.io/developer/1828229182) | [Gen Nakanishi](https://appshunter.io/developer/6782112814) |

## What reviewers say

### Calculus Gacha！

[App page](https://appshunter.io/ios/app/calculus-gacha/id6753078774)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 不定方程式ガチャ利用オプション | $0.99 | one-time |
| AI Tutor Plus(500) | $2.99 | one-time |
| 履歴管理機能オプション | $2.99 | one-time |


### 高校数学 数I〜数C 解法の最初の一手

[App page](https://appshunter.io/ios/app/ic/id6782112812)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全解放（すべての初手） | $4.99 | one-time |


## Frequently asked questions

### Is Calculus Gacha！ free?

Calculus Gacha！ is free to download, with in-app purchases available.

### Is 高校数学 数I〜数C 解法の最初の一手 free?

高校数学 数I〜数C 解法の最初の一手 is free to download, with in-app purchases available.

### Do Calculus Gacha！ or 高校数学 数I〜数C 解法の最初の一手 have ads?

Neither Calculus Gacha！ nor 高校数学 数I〜数C 解法の最初の一手 shows ads.

### Which is updated more often, Calculus Gacha！ or 高校数学 数I〜数C 解法の最初の一手?

Calculus Gacha！ ships an update every 3 days, and 高校数学 数I〜数C 解法の最初の一手 weekly. Most recently, Calculus Gacha！ was updated on October 11, 2026 and 高校数学 数I〜数C 解法の最初の一手 on October 14, 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.*