# 即答!ジーニアス受験生! vs 高校数学 数I〜数C 解法の最初の一手

The clearest difference is in-app purchases: 即答!ジーニアス受験生! at none against 高校数学 数I〜数C 解法の最初の一手's 1. 即答!ジーニアス受験生! also leads on iOS requirement (13.0 vs 15.0). 高校数学 数I〜数C 解法の最初の一手's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On price and device support there is nothing between them.

Both are free to download. 高校数学 数I〜数C 解法の最初の一手 sells 1 one-off in-app purchase. 即答!ジーニアス受験生! asks for nothing beyond the download.

即答!ジーニアス受験生! ships an update fortnightly, 高校数学 数I〜数C 解法の最初の一手 weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | 即答!ジーニアス受験生! | 高校数学 数I〜数C 解法の最初の一手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Size | 456 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HIROMICHI OTAKI](https://appshunter.io/developer/1888616625) | [Gen Nakanishi](https://appshunter.io/developer/6782112814) |

## What reviewers say

### 即答!ジーニアス受験生!

[App page](https://appshunter.io/ios/app/id6757539075)

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

**In-app purchases:** none


### 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 即答!ジーニアス受験生! free?

即答!ジーニアス受験生! is free to download, with no in-app purchases.

### 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 即答!ジーニアス受験生! or 高校数学 数I〜数C 解法の最初の一手 have ads?

即答!ジーニアス受験生! shows ads; 高校数学 数I〜数C 解法の最初の一手 does not.

### Which is updated more often, 即答!ジーニアス受験生! or 高校数学 数I〜数C 解法の最初の一手?

即答!ジーニアス受験生! ships an update fortnightly, and 高校数学 数I〜数C 解法の最初の一手 weekly. Most recently, 即答!ジーニアス受験生! was updated on October 28, 2026 and 高校数学 数I〜数C 解法の最初の一手 on October 28, 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.*