# 一番TOEIC vs 高校数学 数I〜数C 解法の最初の一手

The clearest difference is in-app purchases: 一番TOEIC at none against 高校数学 数I〜数C 解法の最初の一手's 1. 一番TOEIC also leads on iOS requirement (11.0 vs 15.0). 高校数学 数I〜数C 解法の最初の一手's advantage is update cadence (weekly vs every 7 months). On price, ads 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. 一番TOEIC asks for nothing beyond the download.

一番TOEIC ships an update every 7 months, 高校数学 数I〜数C 解法の最初の一手 weekly. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 一番TOEIC | 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 | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Size | 113 MB | 22 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jongseo won](https://appshunter.io/developer/1691076998) | [Gen Nakanishi](https://appshunter.io/developer/6782112814) |

## What reviewers say

### 一番TOEIC

[App page](https://appshunter.io/ios/app/toeic/id6451384015)

**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 一番TOEIC free?

一番TOEIC 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 一番TOEIC or 高校数学 数I〜数C 解法の最初の一手 have ads?

Neither 一番TOEIC nor 高校数学 数I〜数C 解法の最初の一手 shows ads.

### Which is updated more often, 一番TOEIC or 高校数学 数I〜数C 解法の最初の一手?

一番TOEIC ships an update every 7 months, and 高校数学 数I〜数C 解法の最初の一手 weekly. Most recently, 一番TOEIC was updated on September 21, 2026 and 高校数学 数I〜数C 解法の最初の一手 on September 10, 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.*