# 速さパス｜中学受験算数 vs Think Why

The clearest difference is in-app purchases: 速さパス｜中学受験算数 at none against Think Why's 1. Think Why's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Think Why sells 1 one-off in-app purchase. 速さパス｜中学受験算数 asks for nothing beyond the download.

速さパス｜中学受験算数 ships an update every 4 weeks, Think Why fortnightly. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 速さパス｜中学受験算数 | Think Why |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/think-why/id6799816213/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 62 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [mikito oba](https://appshunter.io/developer/1563726163) | [放 徐](https://appshunter.io/developer/6793334686) |

## What reviewers say

### 速さパス｜中学受験算数

[App page](https://appshunter.io/ios/app/id6799658750)

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

**In-app purchases:** none


### Think Why

[App page](https://appshunter.io/ios/app/think-why/id6799816213)

This app teaches elementary students how to understand math word problems by breaking down the reasoning process into manageable steps. It focuses on conceptual understanding rather than just keyword matching. Users can access free content or unlock the full learning path with a one-time purchase.

**Highlights:** Step-by-step reasoning for word problems, Interactive models for visualization, Explanation of intermediate numbers, Answer checking against the story, Transferring reasoning to new contexts, Full learning path unlock

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Learning Path | $19.99 | one-time |


## Frequently asked questions

### Is 速さパス｜中学受験算数 free?

速さパス｜中学受験算数 is free to download, with no in-app purchases.

### Is Think Why free?

Think Why is free to download, with in-app purchases available.

### Do 速さパス｜中学受験算数 or Think Why have ads?

速さパス｜中学受験算数 shows ads; Think Why does not.

### Which is updated more often, 速さパス｜中学受験算数 or Think Why?

速さパス｜中学受験算数 ships an update every 4 weeks, and Think Why fortnightly. Most recently, 速さパス｜中学受験算数 was updated on October 8, 2026 and Think Why on October 4, 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.*